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MTC-54 TROUBLE DIAGNOSIS High-Pressure Side is Too High and Low-Pressure Side is Too Low. High-Pressure Side is Too Low and Low-Pressure Side is Too High. Gauge indication Refrigerant cycle Probable cause Corrective action High-pressure side is too high and Upper side of condenser and High-pressure tube or parts ● Check and repair or replace ● Check lubricant for contami- AC360A Gauge indication Refrigerant cycle Probable cause Corrective action High-pressure side is too low and High and low-pressure sides Compressor pressure opera- ↓ Damaged inside compressor Replace compressor. No temperature difference Compressor pressure opera- ↓ Damaged inside compressor Replace compressor. AC356A |