GCBM18RQWA Gibson Freezer - Overview

Turned gray knob on defrost timer (located bottom left back of freezer) past defrost position to verify compressor would run...it would not, but fan would run. Tested run capacitor...found borderline defective (weak, wrong value ohm meter kick). Just to be sure, removed interior shelves and interior rear and gasket to check heater at 20 ... Read more ohms as OK and removed thermostat and verified contact closure after exposure in another freezer....re-installed, hooked heater back up and re-installed interior rear panel. Replaced defrost timer by unplugging 4-pin connector, then removed 2 screws that hold it to the bracket. Installed new one in reverse order. Then removed wire bail holding run capacitor to compressor plug assembly, removed run capacitor, plugged in new one. Turned on freezer......now making ice and holding cold temperature and cycling properly between freeze and defrost modes. Two problems made this repair a bit more difficult. This is the second time that defrost timer has failed...only got 3 years from last one.

After silencing the alarm, it seemed to be running as normal without any unusual noises, but food was starting to thaw from the top shelf on down and condensation was dripping from the roof. We were able to place most of the food in 2 large ice chests and then the rest in the freezer compartments of 2 fridges we have in the house. I the ... Read more n turned down the temp dial to the coldest setting and let it run for an hour or so; no change.

After researching on the internet, it sounded like our symptoms could be pointing to a defrost timer issue. I pulled the freezer away from the wall, located the timer and used a large screwdriver to slowly advance it. While doing this, at one point I could hear the compressor kick in. I pushed the quick freeze button and let it run for a while. When I checked it in a few hours, the alarm light had gone out and water that I had placed inside was frozen. We took a chance and put the food we placed in the ice chests back in the freezer. Everything was fine several hours later.

I ordered a new defrost timer, it arrived in a couple of days, and replaced the old one with it in a matter of minutes by disconnecting the wire harness from the old timer, removing the 2 screws holding it onto the bracket, screwing the new timer to the bracket, reconnecting the wires harness, and done. It's been a week or so and no problems.

slid freezer away from wall - - bottom left hand corner was the frost timer - - removed two philip head screws - - unpluged timer and installed new timer - - turned timer past first click to a little past second click (freeze cycle) - - slid freezer back FINISHED - - YOU GUYS ARE THE BEST WITH YOUR WEB PAGE AND HELP!!!!! Next day freeze ... Read more r was at 0