High Discharge Gas Temperature

PTC sensor in compressor head exceeded 140°C.

Possible causes

Low gas return
High compression ratio
Defective liquid injection
Contaminated oil

Recommended actions

Verify liquid injection system
Check superheat levels
Inspect oil and oil filter

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Other Bitzer codes

E1High Discharge Pressure (HP)E2Low Suction Pressure (LP)E4Motor Thermal Protection (INT69)E5Oil Differential Pressure Failure

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