Error Code COMP-START-FAIL

Compressor will not start

Also displayed as: LED blinks

What This Means

Short circuit between compressor U,V,W phases; Inverter IPM failure (pins 1-33 shorted); DC voltage below 13.5V; Compressor mechanical jam

First Thing to Check

Parts Involved

How to Fix

1. 1

   1. Check for short between compressor terminals on CN04

2. 2

   2. Measure IPM voltage (must be above 13.5V)

3. 3

   3. Check for solder bridges or shorts on inverter PCB

4. 4

   4. Verify compressor mechanical condition and refrigerant cycle