How do I fix error code COMP-IPM-SHUTDOWN on a Samsung refrigerators?

1. undefined: Check DC 15V at ZD501 on inverter PCB — must be above 13.5V 2. undefined: Inspect inverter PCB for shorted components (visible burn marks, swollen capacitors) 3. undefined: Check compressor and refrigerant cycle for root cause of IPM overload 4. undefined: If 15V supply is low, check SMPS 15V output

Samsung Refrigerators2020–present

Error Code COMP-IPM-SHUTDOWN

Compressor driver power module shut itself down due to a fault

Moderate

Address soon - your appliance may not work properly

Also displayed as: F and R blink — IPM Shut Down pattern

What This Means

DC 15V supply to IPM has dropped below 13.5V; Shorted component on inverter PCB; Overheated IPM module; Compressor or refrigerant cycle fault causing IPM overload

What actually causes this:

The electronic module driving the compressor detected an internal fault and shut itself off to prevent damage.

First Thing to Check

Do not open the unit — call a technician.

Parts Involved

Inverter PCBSMPS PCBCompressor

How to Fix

1
Check DC 15V at ZD501 on inverter PCB — must be above 13.5V
2
Inspect inverter PCB for shorted components (visible burn marks, swollen capacitors)
3
Check compressor and refrigerant cycle for root cause of IPM overload
4
If 15V supply is low, check SMPS 15V output

This Error Applies To

Samsung RF28T5 Series Refrigerators (2020) (2020–present)

Service manual exact match: RF28T5101SR/AAService manual exact match: RF28T5A01S9/APService manual exact match: RF28T5021S9/EMService manual exact match: RF28T5001S9/MLService manual exact match: RF28T5021B1/COService manual exact match: RF28T5A01SR/AAService manual exact match: RF28T5021SR/AAService manual exact match: RF28T5001SR/AA