How do I fix error code COMP_IPM_FAULT on a Samsung refrigerators?

1. undefined: Check DC 15V at ZD501: must be above 13.5V 2. undefined: Check inverter PCB for soldering shorts 3. undefined: Check compressor and refrigerant cycle

Samsung Refrigerators2023–present

Error Code COMP_IPM_FAULT

Q: What does error code COMP_IPM_FAULT mean on a Samsung refrigerators?

Inverter power module has detected a fault IPM internal overcurrent or overheat; Inverter PCB soldering defect; DC 15V supply dropped below 13.5V; Compressor or refrigerant cycle issue

Inverter power module has detected a fault

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: Inverter PBA LED blinks

What This Means

IPM internal overcurrent or overheat; Inverter PCB soldering defect; DC 15V supply dropped below 13.5V; Compressor or refrigerant cycle issue

What actually causes this:

The power module driving the compressor motor has detected an overload or fault, typically caused by a failing compressor or electrical fault on the board.

First Thing to Check

Check the machine compartment is ventilated and the condenser fan is running, as overheating can trigger IPM faults.

Parts Involved

Inverter PCB (IPM)SMPS PCBCompressor

How to Fix

1
Check DC 15V at ZD501: must be above 13.5V
2
Check inverter PCB for soldering shorts
3
Check compressor and refrigerant cycle

This Error Applies To

Samsung RF23BB89 Series Refrigerators (2023) (2023–present)

Service manual exact match: RF29BB89***Service manual exact match: RF24BB66***Service manual exact match: RF30BB62***Service manual exact match: RF29BB82***Service manual exact match: RF30BB69***Service manual exact match: DRF36C300**Service manual exact match: RF24BB69***Service manual exact match: RF30BB66***+2 more