Asim for Model Number PSS25MGMBCC Hi Pros, First, thanks for the excellently wonderful site for those who wants to troubleshoot problems in their appliances. I haven't finish reading all the Q&A yet, but decided to mention the problem first. My GE refrigerator PSS25MGMB CC stopped freezing and cooling, meaning the freezer section as well as refrigerator section are not working, but the fans are running fine. Initial troubleshooting revealed that the compressor is not running. While trying to find the voltage across and around start up PTCR relay, when I touched the white wire of the relay with a MM leads, magically the compressor kicked back on, and it started freezing and cooling like normal, I concluded that the white wire of the relay was loose. Kept it running on and off for the 2 days, but third morning the compressor stopped working again. During second troubleshooting session, checked the voltage across comp and line (black and brown wire) at the main board, it shows 120 VAC, figured the startup circuitry is getting 120 VAC, OK, then checked the ohms across all 3 winding (S, R and C), it came out out 6, 6 and 12 approx, figured compressor is OK. suspected bad ptc relay and overload relay, replaced both with new, still the compressor didn't start. During third troubleshooting session, checked the voltage around startup circuitry, able to verify 120VAC at the two relays and the capacitor inputs, but suspected no current flowing thought the startup circuitry, suspected capacitor bad, replaced with new, but still the compressor won't start, no humm, no noise, just cold. So my question will be, can something in the main board causes the current not to flow through the compressor startup circuitry, though the 'comp' and 'line' are showing 120VAC, Please advice. Thankfully appreciated in advance. Sincerely, Asim
Answer Asim, You will want to check for voltage from the overload which would be the black wire coming off the compressor to the orange wire on the relay to see if there is 120 vac at this point. If there is 120 vac at this point then the compressor sounds like it would be the issue. If you do not have 120 vac at this point then you will want to check at the main control board from the blue connector that has 3 spade connectors that it attaches to. Check from the black on this connector to the orange on connector J7 pin 9. If there is not 120 vac at this point then the control board is faulty and would need to be replaced. If there is power there and no power to the overload and relay then the issue will be in the wiring of the unit. Read More... Answered by AppliancePartsPros.com | Tuesday, April 8, 2014