High Discharge Pressure (HP)

High pressure switch activated on Bitzer compressor.

Possible causes

Obstructed condenser
Condenser fans not operating
Refrigerant overcharge
Non-condensable air

Recommended actions

Clean condenser coil
Check fan startup
Recover and adjust charge

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Other Bitzer codes

E2Low Suction Pressure (LP)E3High Discharge Gas Temperature E4Motor Thermal Protection (INT69)E5Oil Differential Pressure Failure

View all Bitzer codes

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