FANUC Series 16i/160i/160is-MODEL B, Series 18i/180i/180is-MODEL B, Series 21i/210i/210is-MODEL B. MAINTENANCE MANAUL

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

Sub-CPU board(*2)

Main CPU board

Sub-CPU for two-path control

⋅

2-axis to 8-axis control

CPU for controlling CNC

⋅ Spindle interface

⋅ Power

⋅ Analog output

⋅

2-axis to 8-axis control

⋅ Spindle interface

⋅ I/O Link

RISC board (M series only)(*1)

⋅ PMC-SB7

⋅ Analog output (option)

High-precision contour control function

⋅ High-speed DI

⋅ RS-232C x 2

Data server board(*1)

⋅ Memory card interface

⋅ Display interface

Data server function (ATA card)

⋅ Ethernet

RISC + data server board (M series only)(*1)

Mounted in slot 1

High-precision contour control function

Basic system

Data server function (ATA card)

Option

Serial communication board(*3)

Remote buffer/DNC1/DNC2

PMC C board(*3)

C function for PMC

Super CAPi T board (T series only)(*3)

Graphic conversation

HSSB interface board(*3)

Mini-slot

options

High-speed serial bus interface

I/O Link-II board(*3)

I/O Link-II interface

Ethernet board(*3)

Ethernetinterface

DeviceNet interface board(*3)

1-slot cabinet or

DeviceNet interface

3-slot cabinet

PROFIBUS board(*3)

PROFIBUS function

FL-net board(*3)

FL-net function

The mounting position of an option board depends on the board type, as shown below:

The option board marked with *1 fits into option slot 2.

The option board marked with *2 fits into option slot 3.

The option board marked with *3 fits into a mini slot (of any slot).

272

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

4.2.2

Series 18i/180i/180is

Sub-CPU board(*2)

Main CPU board

Sub-CPU for two-path control

⋅

2-axis to 6-axis control

CPU for controlling CNC

⋅ Spindle interface

⋅ Power

⋅ Analog output

⋅

2-axis to 6-axis control

⋅ Spindle interface

⋅ I/O Link

RISC board (M series only)(*1)

⋅ PMC-SB7

⋅ Analog output (option)

High-precision contour control function

⋅ High-speed DI

⋅ RS-232C x 2

Data server board(*1)

⋅ Memory card interface

⋅ Display interface

Data server function (ATA card)

⋅ Ethernet

RISC + data server board (M series only)(*1)

Mounted in slot 1

High-precision contour control function

Basic system

Data server function (ATA card)

Option

Serial communication board(*3)

Remote buffer/DNC1/DNC2

PMC C board(*3)

C function for PMC

Symbol CAPi T board (T series only)(*3)

Graphic conversation

HSSB interface board(*3)

Mini-slot

options

High-speed serial bus interface

I/O Link-II board(*3)

I/O Link-II interface

Ethernet board(*3)

Ethernetinterface

DeviceNet interface board(*3)

1-slot cabinet or

DeviceNet interface

3-slot cabinet

PROFIBUS board(*3)

PROFIBUS function

FL-net board(*3)

FL-net function

The mounting position of an option board depends on the board type, as shown below:

The option board marked with *1 fits into option slot 2.

The option board marked with *2 fits into option slot 3.

The option board marked with *3 fits into a mini slot (of any slot).

273

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

4.2.3

Series 21i/210i/210is

Main CPU board

CPU for controlling CNC

⋅ Power

⋅

2-axis to 4-axis control

⋅ Spindle interface

⋅ I/O Link

⋅ PMC-SA1/SB7

⋅ Analog output (option)

⋅ High-speed DI

⋅ RS-232C x 2

⋅ Memory card interface

⋅ Display interface

⋅ Ethernet (option)

Mounted in slot 1

Basic system

Serial communication board

Remote buffer/DNC1/DNC2

PMC C board

C function for PMC

HSSB interface board

High-speed serial bus interface

Mini-slot

options

I/O Link-II board

I/O Link-II interface

DeviceNet interface board

DeviceNet interface

PROFIBUS board

PROFIBUS function

FL-net board

1-slot cabinet

FL-net function

These option boards are mounted in mini slots (of any slot).

274

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

Stand-alone type control unit

Main board

24V-IN(CP1)

24-VDC power

24V-OUT(CP2)

To I/O unit, etc.

Optical fiber cable

LCD UNIT

MDUNIT

LCD(COP20A)

COP20B

CK2

24VDC

CP1A CA55

CK1

CP1B

Memory card

(Touch panel)

R232-1(JD5A)

RS-232-C I/O unit

R232-2(JD5B)

RS-232-C I/O unit

Analog output for tool drive

A-OUT&HDI(JA40)

High-speed skip input

Distributed

Manual pulse generator

I/O board

24VDC

CPD1

JA3

I/O Link(JD44A)

JD1B

Operator’s

panel

JD1A

24VDC

CPD1

Distributed I/O

Power

JD1B

board, I/O unit,

magnetics

JD1A

etc.

cabinet

JD1B

Servo motor

β amplifier with

JD1A

I/O Link

Detachable LCD/MDI

LINK(JD45)

MDI unit

Position coder

SPDL&POS(JA41)

Circuit breaker

200VAC

AC reactor

200VAC

MCC

Circuit breaker

CX1AÁTB2Á

CX3

PSM

CX4

JX1B

CX1BÁTB1Á

Position coder

ÁÁ

CX1AÁTB1Á

CX2A JX1A

JY2

JA7B

SPM

TB2

JA7A

TB1

CX2B JX1B

Servo card

To 2nd spindle

ÁÁ

Serial spindle motor

Optical fiber cable

TB1

ÁÁ

CX2A JX1A

FSSB(COP10A-1)

Axis-1 servo motor

COP10B

SVM

TB2

JF1

COP10A

CX2B

FSSB(COP10A-2)

TB1

JX1B

COP10B

Axis-2 servo motor

SVM

COP10A

COP10B

Axis-3 servo motor

SVM

COP10A

COP10B

Axis-4 servo motor

SVM

COP10A

Up to 4 to 8 axes, depending on the model (In this figure, a one-axis amplifier is used.)

Separate detector interface unit 1

24VDC

CP11A

JF101

Linear scale, axis 1

JF102

Linear scale, axis 2

COP10B

JF103

Linear scale, axis 3

COP10A JF104

Linear scale, axis 4

CNF1

JA4A

Absolute scale battery

ETHERNET(CD38A)

(Required only when an absolute scale is used)

Separate detector

(Cannot be used in 21i/210i)

interface unit 2

SV-CHK(CA69A)

Servo check board

Ethernet

276

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

Stand-alone type control unit

Data server board

(cannot be used in

21i/210i/210is)

ATA card

(CD38M)

Ethernet

Sub-CPU board

(cannot be used in

21i/210i/210is)

Analog output for tool drive

A-OUT(JA40)

Position coder

SPDL&POS(JA41)

{

PSM

Position coder

Spindle motor

SPM

Servo card

To 2nd spindle

FSSB(COP10A-1)

Sub axis-1

COP10B

SVM

servo motor

Optical fiber cable(*)

COP10A

Sub axis-2

COP10B

FSSB(COP10A-2)

SVM

servo motor

COP10A

Sub axis-3

COP10B

SVM

servo motor

COP10A

Sub axis-4

COP10B

SVM

servo motor

COP10A

(Up to 6 to 8 axes, depending on the model)

SV-CHK(CA69B)

Servo check board

Serial communication

board

Remote buffer board

DNC1 board

DNC2 board

R232-3

RS-232-C I/O unit (when remote buffer board or DNC2 board is used)

R422-1

RS-422 I/O unit (when remote buffer board or DNC1 board is used)

Ethernet (cannot be

used in 21i/210i/210is)

(CD38L)

Ethernet

HSSB board

HSSB(COP70)

Personal Computer

Optical fiber cable

277

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

For the is series CNC display unit, the additional connection shown below is required on the unit.

24VDC Power Supply

DC24V-IN(CP1)

MDI unit

dedicated to PCs

Soft Key Cable

Soft Key(CK2)

Backup(CA75)

Backup Unit

PC Side Ethernet

Hub, etc.

(CD38S)

PC Side

RS-232-C I/O Device

RS-232-C USB(JD48)

USB Keyboard Printer

279

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

4.4

CONNECTOR AND

CARD

CONFIGURATIONS

OF PRINTED CIRCUIT

BOARDS

4.4.1

Main CPU Board of

Series 16i/18i/21i/160i/

180i/210i/160is/180is/

210is

D Specifications

Item

Code

Main CPU board of Series 16i/160i/160is

A16B-3200-0420

Main CPU board of Series 18i/180i/180is

A16B-3200-0421

Main CPU board of Series 21i/210i/210is

A16B-3200-0425

280

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D Mounting positions of

connectors, LEDs, etc.

MAIN

BAT1: Battery

Battery case

LEDs

JD5A: RS232C serial port

JD5B: RS232C serial port

CNM1B: Memory card

JD1A: I/O Link

JA40: Analog output/high-speed DI

JA41: Serial spindle/position coder

JD45: CRT LINK/MDI

STATUS: 7-Segment LED

COP20A : Connection to LCD unit

CA69A: Servo check

CP1(right): 24VDC IN

CP2(left): 24VDC OUT

FUSE: Fuse burn-out detection LED

COP10A-2:FSSB

MTSW: Rotary switch

PSW: Push switch

COP10A-1:FSSB

SG connection terminal

CD38A:Ethernet

STATUS 7-segment LED: Used for setting and maintenance operations, in combination with the

MTSW rotary switch and PSW push switch described below.

MTSW rotary switch:

This rotary switch is used for setting and maintenance operations, in

combination with the STATUS 7-segment LED and the PSW push

switch.

PSW push switch:

This push switch is used for setting and maintenance operations, in

combination with the STATUS 7-segment LED and the MTSW rotary

switch.

281

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

No.

Item

Code

Function

Remarks

(1)

CPU card

A20B-3300-0310

DRAM 16MB

For Series 16i/18i/160i/180i/

160is/180is

A20B-3300-0311

DRAM 32MB

For Series 16i/18i/160i/180i/

160is/180is

A20B-3300-0291

DRAM 16MB

For Series 21i/210i/210is

A20B-3300-0290

DRAM 32MB

For Series 21i/210i/210is

A20B-3300-0312

DRAM 16MB

When the embedded Ethernet is

For Series 21i/210i/210is

used with Series 21i/210i/210is

A20B-3300-0313

DRAM 32MB

For Series 21i/210i/210is

(2)

Display control

A20B-3300-0340

LCD/MDI

card

Embedded ethernet

A20B-3300-0360

Display link

Embedded ethernet

A20B-3300-0362

MDI

Embedded ethernet

A20B-3300-0364

Without display unit

Embedded ethernet

A20B-3300-0341

LCD/MDI

When the embedded Ethernet is

not used with Series 21i/210i/

A20B-3300-0361

Display link

210is

A20B-3300-0363

MDI

(3)

Axis control card

A20B-3300-0033

Axis control 2-axes

Servo software

Series 9090

A20B-3300-0032

Axis control 4-axes

(21i)

A20B-3300-0243

Axis control 2-axes

Servo software

Series 90B0

A20B-3300-0242

Axis control 4-axes

A20B-3300-0241

Axis control 6-axes

A20B-3300-0240

Axis control 8-axes

A20B-3300-0248

Axis control 4-axes

Servo software

Series 90B0

A20B-3300-0245

Axis control 6-axes

(High-speed HRV)

A20B-3300-0244

Axis control 8-axes

A20B-3300-0246

Learning controlled axis control

Servo software

Series 90B3/90B7

A20B-3300-0247

Learning controlled axis control

Servo software

Series 90B3/90B7

(High-speed HRV)

283

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

No.

Item

Code

Function

Remarks

(4)

Power unit

A20B-8100-0851

(5)

Analog spindle

A20B-3900-0170

Analog spindle position coder

module

(6)

FROM/SRAM

A20B-3900-0160

FROM 16MB

FROM stores various control

module

SRAM 1MB

software products. SRAM is

backed up by a battery.

A20B-3900-0161

FROM 16MB

SRAM 2MB

A20B-3900-0162

FROM 16MB

SRAM 3MB

A20B-3900-0163

FROM 32MB

SRAM 1MB

A20B-3900-0164

FROM 32MB

SRAM 2MB

A20B-3900-0165

FROM 32MB

SRAM 3MB

A20B-3900-0180

FROM 16MB

SRAM 256kB

A20B-3900-0181

FROM 16MB

SRAM 512kB

A20B-3900-0182

FROM 32MB

SRAM 256kB

A20B-3900-0183

FROM 32MB

SRAM 512kB

284

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D LED display

D Fuse burn-out detection LED

FUSE (Red)

Lit if the fuse is blown.

D LED status transition at power-up j: Off J: On

7-segment

STATUS

Status

LED

Not lit

jjjj

Power off

JJJJ

CPU not activated after power-up

NC system loading started by boot system

jJJJ

NC system started-up and RAM initialization completed

JjJJ

Waiting for system processor ID setting

jjJJ

System processor ID setting completed

Display circuit initialization completed

JJjJ

FANUC bus initialization completed

jJjJ

Loading from flash memory completed

PMC initialization completed

Series and edition screen displayed

JjjJ

Hardware configuration information setting completed

for each printed circuit board of the system

jjjJ

PMC ladder initialization completed

jJJj

Waiting for digital servo and spindle initialization

JJJj

Digital servo and spindle initialization completed

Jjjj

Initialization completed, normal operation state

LED display during automatic operation start-up

While automatic operation start-up in progress signal STL (F0.5) is

held to 1, the 7-segment LED cyclically displays the following

patterns:

D LED display when a battery alarm occurs

ALARM Jjj

SRAM backup battery is weak.

285

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D LED display when a system alarm occurs j: Off J: On l: Blink

(if CPU card A20B-3300-031X is used)

ALARM jJj

System failure. The software detected an error and

stopped the system.

ALARM JJj

An error occurred on the local bus in the main CPU

board.

ALARM jjJ

System emergency. The hardware detected an error.

ALARM JlJ

A disconnection was found in the optical

fiber cable between the CNC and LCD.

Alternatively, a printed circuit board on the

LCD side is defective.

If a disconnection occurs, the dot of the

7-segment LED is also lit.

If a disconnection occurs, the display of the

LCD unit blinks.

ALARM jJJ

An SRAM parity error or SRAM ECC error was de-

tected.

ALARM JJJ

A DRAM parity was detected.

ALARM lll

A bus error occurred in the main CPU.

(If CPU card A20B-3300-029X is used)

ALARM jJj

System failure. The software detected an error and

stopped the system.

ALARM JJj

An error occurred on the local bus in the main CPU

board.

Alternatively, a bus error occurred in the main CPU.

Alternatively, a DRAM parity error was detected.

ALARM jjJ

System emergency. The hardware detected an error.

Alternatively, a bus error occurred in the main CPU.

Alternatively, a DRAM parity error was detected.

ALARM JjJ

A disconnection was found in the optical

fiber cable between the CNC and LCD.

Alternatively, a printed circuit board on the

LCD side is defective.

If a disconnection occurs, the dot of the

7-segment LED is also lit.

If a disconnection occurs, the display of the

LCD unit blinks.

ALARM jJJ

An SRAM parity error or SRAM ECC error was de-

tected.

NOTE

If any of the system alarms occurs, the hardware may be

defective.

If a disconnection is detected in the optical fiber cable

between CNC and LCD at power-up, the ALARM LEDs

alternately display these patterns: JjJ ³ jJj

286

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D 7-segment LED display when a system alarm occurs

If a system alarm occurs, a number blinks as shown below, depending

on the system alarm number.

System

7-segment

alarm num-

System alarm type

LED

ber

900 to 909

ROM parity alarm.

System ROM parity stored in FROM

910 to 919

SRAM or DRAM parity alarm

920 to 929

Servo alarm

930 to 949

CPU interrupt or SRAM ECC error

950 to 959

PMC system alarm

970 to 979

Bus error or non-maskable interrupt

Others

Other system alarms

NOTE

If any of the system alarms occurs, the hardware may be

defective.

287

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D Mounting positions of

cards and DIMM module

(1) CPU card

(2) Axis control

card

No.

Item

Code

Function

Remarks

(1)

CPU card

A20B-3300-0310

DRAM 16MB

A20B-3300-0311

DRAM 32MB

(2)

Axis control card

A20B-3300-0243

Axis control 2 axes

Servo software

Series 90B0

A20B-3300-0242

Axis control 4 axes

A20B-3300-0241

Axis control 6 axes

A20B-3300-0240

Axis control 8 axes

A20B-3300-0248

Axis control 4 axes

Servo software

Series 90B0

A20B-3300-0245

Axis control 6 axes

(High-speed HRV)

A20B-3300-0244

Axis control 8 axes

A20B-3300-0246

Learning controlled axis control

Servo software

Series 90B3/90B7

A20B-3300-0247

Learning controlled axis control

Servo software

Series 90B3/90B7

(High-speed HRV)

290

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D LED display

D LED display at power-up j: Off J: On

STATUS jjjj

Power off

STATUS JJJj

CPU not activated after power-up

STATUS Jjjj

Initialization completed, normal operation in progress

D LED display when a system alarm occurs j: Off J: On l: Blink

ALARM jJj

Servo alarm

ALARM Jjj

A DRAM parity error was detected.

ALARM ljj

A bus error occurred in a sub-CPU.

NOTE

If any of the system alarms occurs, the hardware may be

defective.

291

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

4.4.3

The RISC function and data server function are provided on a single

option board. If the RISC function alone is needed, a RISC board is used.

RISC Board, Data

If just the data server function is needed, a data server board is used. If

Server Board, RISC +

the two functions are needed, a RISC + data server board is used.

Data Server Board

If the data server function is used, an ATA card adapter is mounted on the

board. This board and ATA card adapter are connected by a flat cable.

D Specifications

Item

Code

RISC + Data server board

A16B-3200-0390

RISC board

A16B-3200-0391

Data server board

A16B-3200-0352

CPU card

A20B-3300-0102

ATA card adapter

A20B-2100-0500

D Mounting positions of

connectors, LEDs, etc.

A RISC board has

just these LEDs.

ATA card adapter

293

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

D LED display of the RISC

The RISC function uses the green STATUS LEDs and red ALARM LEDs

function

in the upper part of the face plate. The red ALARM LEDs are used also

by the data server function.

<1> Status LED indication (green LED turned on)

Alarm LED

State

jjjj

The power is not turned on.

Jjjj

Waiting for the CNC (1) (Check the cause of the CNC.)

jJjj

Module ID error (Replace the printed circuit board or FROM.)

JJjj

Waiting for the CNC (5) (Check the cause of the CNC.)

jjJj

ROM test error (Replace the printed circuit board or FROM.)

JjJj

Waiting for the CNC (3) (Check the cause of the CNC.)

JJJj

System error (Replace the printed circuit board or FROM.)

jjjJ

RAM test error (Replace the printed circuit board.)

JjjJ

Waiting for the CNC (2) (Check the cause of the CNC.)

Parameter error (Replace the printed circuit board or FROM.)

jJjJ

(B437 series only)

DRAM test error/waiting for interrupt at interpolation cycles (Replace

jjJJ

the printed circuit board.)

Waiting for the CNC (4) (Check the cause of the CNC.) (B451 series

JjJJ

only)

JJJJ

The power is turned on, but the processor is not started yet.

J : ON j : OFF

<2> Status LED indication (green LED blinking)

Alarm LED

State

Ljjj

Command being executed (reset)

jLLj

Command being executed (preprocessing, distribution processing)

jjjL

Waiting for a command

jLjL

Waiting for NC statement input

LLjL

Command being executed (parameter modification)

(B437 series only)

jjLL

Automatic operation is not started yet. (Replace the printed circuit

board.)

(B451 series only)

L : Blinking j

: OFF

295

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

<3> Alarm LED indication (red LED)

Alarm LED

State

JjJ

The power supply for the processor core on the RISC board is de-

fective.

jjJ

A DRAM parity error occurred on the CPU card.

JJj

System emergency

jJj

(Reserved)

J : ON j : OFF

NOTE

The LEDs display any other pattern if an error occurs in the

data server option.

D LED display of the data

The data server board function uses four green STATUS LEDs for status

server function

display and red LEDs for alarm display (used also by the RISC function).

The function uses other green LEDs and a single red LED for

communication status display.

For RISC status

For RISC and data server

For data server status

For communication status

296

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

LED status transition at power-up

LED statuses f: Off F: On l: Blink Z: Don’t care

LED display

No.

Board status

(L1 to L4)

Power off

Initial state immediately after power-up

MPU initialization completed

Firmware downloading completed

Control transferred to OS

OS PHASE 1

OS PHASE 2

OS PHASE 3

OS PHASE 4

Activation completed

If the board is normally activated, the LEDs display the pattern of No.10

and keep this state until an error is detected.

LED display when an error occurs (STATUS L1 to L4)

The STATUS LEDs alternately display the LONG and SHORT patterns.

The LONG pattern is held longer than the SHORT pattern.

LED statuses

f: Off F: On

STATUS LED

indication

No.

Ethernet/data server board state

LONG

SHORT

System reset

Failure caused by this

Machine check

board

DRAM parity alarm

Failure caused by another

NMI of another module

board

297

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

NOTE

If an error, indicated by repeatedly flashing a LONG and

SHORT combination other than the above, occurs, contact

FANUC.

LED display when an error occurs (ALARM)

LED statuses

j: Off J: On

LED display

No.

Board status

123

jJJ

An MPU transfer error occurred.

JJJ

A parity error occurred in the main memory.

NOTE

Any other pattern is displayed if an error occurs in the RISC

option.

LED display for communication status

Communication status (L5 to L8)

LED statuses

f: Off F: On l: Blink Z: Don’t care

No.

LED display

Communication status

Data transmission in progress

Data reception in progress

Hub normally connected

Communication status (COL)

No.

LED display

Communication status

Lit when a data collision occurs.

COL: This LED is frequently lit if the traffic of Ethernet communication is large

or if the peripheral noise is large.

298

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

4.4.4

Loader Control Board

D Specification

Name

Specification

Loader Control Board

A16B-2203-0740

D Connector location

LED display

JD1A : FANUC I/O LINK

CNBK : Brake drive output

CNPW : Emergency stop control

LED display for I/O alarm

CRM1 : DI/DO for loader main body

COP10A : FSSB

CA69D : Servo check

CNTP : DI/DO for loader operator’s panel

CNWF : DI/DO for workpiece feeder

299

4. STAND-ALONE TYPE i SERIES HARDWARE

B-63525EN/02

- LED Display Transition at Power-up

NO.

LED display

NC Status

STATUS:jjjj

Power off

STATUS:JJJJ

Startup status immediately after power is turned on

STATUS:jJJJ

RAM initialized

STATUS:JjJJ

Software ID set; keys initialized

STATUS:jjJJ

Waiting for completion of software initialization 1

STATUS:JJjJ

Waiting for completion of software initialization 2

STATUS:jJjJ

Position coder initialized, etc.

STATUS:jJJj

Waiting for digital servo initialization

STATUS:Jjjj

Initialization completed (steady state)

J : ON j : OFF

The STATUS LEDs are green.

- LED Display when an Error occurs

LED display

Description

ALM:jJj

System failure occurred.

The software detects the error and stops the system.

ALM:JJj

Error in Local bus on the loader control board occurred.

ALM:jjJ

System emergency occurred. Hardware detects the error.

ALM:jJJ

SRAM parity error on the loader control board occurred.

J : ON j : OFF

The ALARM LEDs are red.

NOTE

When two or more error occur simultaneously, the LED

display shows the state of low side on the table above.

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FANUC Series 16i/160i/160is-MODEL B, Series 18i/180i/180is-MODEL B, Series 21i/210i/210is-MODEL B. MAINTENANCE MANAUL - page 11