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GE MODEL # TBX18KPB WILL NOT BLOW COLD AIR INTO THE BOTTOM FRIG PART, FREEZER WORK'S BUT NOT GREAT

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5 Suggested Answers

dididsaythat
  • 291 Answers

SOURCE: frig not cold but freezer is ice maker not making much ice either

Is your fan blowing in the freezer? Frost on the back wall of the freezer usually indicates a defrost problem... defrost themostate, heaters, take back panel off and check evap for frost build up and if your fan in working.

Posted on Aug 28, 2007

  • 378 Answers

SOURCE: Freezer works fine but frig does not get cold at all

My fridge is running but not cold enough: Start out with the easy stuff first...make sure the lights go out when you close the door(s), make sure the doors are closing properly and the gaskets are closing fully and not torn. Check to make sure the evaporator fan in the freezer is working, this fan blows the cold air around. If the fan is not working, possible bad fan motor - check for power to the fan motor and also check the fan switches around the door openings, ( if your fridge has these switches, not all do ). A common problem cropping up in the last several years has been the air damper not opening up and allowing the cold air from the freezer to be blown into the fresh food section ( mostly on SxS refrigerators ). For many years the air damper was manually operated and now we have motorized controlled or temperature controlled or thermister and electronic boards controlling air dampers, and if this device sticks closed the FF section will normally warm up. An example picture of "one" style and an air damper ( called a diffuser by Whirlpool ). Next would be to check the condenser tubing, a good place to start is to make sure the condenser coils are not built up with dust!! Make sure the condenser fan motor is also working properly. Check for any "clicking on and off" noises from the compressor, is the compressor running.
 
The most common fridge "not cooling" problem is a frost free failure. Remove the access panel in the freezer section to expose the evaporator coils. If the coils in the freezer section get plugged up with frost, this frost will block the evaporator fan motor from blowing the cold air around. The fan blade can also hit this frost and either become noisy or stop altogether. Locating the defrost timer can be tricky....they are often hidden behind the back bottom corners of the fridge at the bottom, in the last few years the timers have been located in the ceiling of the fresh food section, and some behind the cold control cover. Once you locate the defrost timer, slowly turn the screw like wheel in the middle of the defrost timer with a straight screwdriver until the fridge shuts off. You are now in defrost. If the defrost heater(s) comes on now, replace the defrost timer and defrost thermostat. If the heater(s) does not come on, you can ohm test the defrost heater for continuity or volt test for 120 volts to the heater(s). If you have no power to the defrost heater(s) you can also bypass the defrost thermostat to see if the defrost heater will come on, join the 2 wires together to bypass the defrost thermostat. If the heater now comes on, replace the defrost timer and defrost thermostat. If the heater itself is bad, defrost the fridge with a hair dryer, replace the defrost heater* and defrost thermostat. If the defrost timer seems "hot" to the touch or is noisy ( like a ticking or screeching noise )...replace it.
*One new safety device added to refrigerators in the last few years has been a in-line fuse added to both sides of the defrost heater. If one of these fuses let's go, you must replace the whole defrost heater, as it comes as an assembly. If the defrost heater does not work, you should check for one of these fuses being open. Check it with a volt meter or ohm meter.
New link from Appliance Repair Aid on how the wiring circuit works for a frost free fridge, the link is here.
On a frost free refrigerator, the cooling coils should be in the freezer section. On a SxS style refrigerator the coils will be behind a cover on the back wall.  On a freezer on top style the coils could be behind the back wall or under the freezer floor. Removing the cover and exposing the evaporator coils could be a valuable tool. Seeing what the cooling coils looks like may help split your not cooling problem. Totally covered coils with white snow is a frost free problem. A ball of ice on the coils and the rest of the cooling coils are bare or only a few coils frosted a little and the rest are bare is an indication of a system problem. Example picture oneexample picture twoexample picture three. System problems may be a leak in the refrigeration tubing, an inefficient not 100% pumping compressor. 

Posted on Apr 03, 2009

  • 100 Answers

SOURCE: GE Profile Artica side by side - freezer not cold enough

replace control board on back of unit there is a six by 10 inch cover on back your panel is in there cost aprox 169.00 dollers also replace bo0th thermisters bottem left of freezer looks like a white bullet the other is in fridge behind shelf trim located beside and underneath where the cold air blows into the fridge.

Posted on Aug 10, 2009

  • 15 Answers

SOURCE: Freezer works, frig does not. Also ice build up in freezer coil

I just worked on a FF801W which is supposed to be very similar. The defrost heater in mine was of the glass tube type and located under the evaporator. There was a bimetal thermostat clipped to the top of the evaporator and a thermal fuse (sealed in a clear plastic tube) nearby. The connections were behind a little plastic cover (2 screws) in the back wall just above the evaporator.

Mine was iced up like yours and I had to defrost it with a hair dryer. All the defrosting parts in the freezer compartment turned out to work so I now suspect the defrost timer (down by the compressor). I've marked it and I'm waiting to see if it's turning.

Posted on Dec 15, 2009

Sea Breeze
  • 4654 Answers

SOURCE: my frig is running but not cooling - frig is 50

I can help you diagnose the problems with your GE. Several things can cause these symptoms. All you need is a voltage meter patience and a want to, to repair and do it better than a paid technician. In most cases with the PSS26MSRSS the defrost heater is the cause for this. Look into rear of your freezer and back wall. Is Ice or frost building on rear wall? If yes unplug and prepair to remove contents in freezer compartment. Remove rear panel in freezer and use hair dryer to defrost ice until the defrost heater is visible. BRB , Sea Breeze

Posted on Jan 23, 2010

Testimonial: "Thanks for the quick help - yes frost on back wall. Once I unload and defrost should I then take out defrost thermostat? "

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I can help you diagnose the problems with your GE. Several things can cause these symptoms. All you need is a voltage meter patience and a want to, to repair and do it better than a paid technician. In most cases with the PSS26MSRSS the defrost heater is the cause for this. Look into rear of your freezer and back wall. Is Ice or frost building on rear wall? If yes unplug and prepair to remove contents in freezer compartment. Remove rear panel in freezer and use hair dryer to defrost ice until the defrost heater is visible. BRB , Sea Breeze

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replace control board on back of unit there is a six by 10 inch cover on back your panel is in there cost aprox 169.00 dollers also replace bo0th thermisters bottem left of freezer looks like a white bullet the other is in fridge behind shelf trim located beside and underneath where the cold air blows into the fridge.

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See if the fan in side the frig is working It mite be on the freezer side If the fan is not working it will not blow the cold air in to the frig side

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The fridge gets its cold air from the freezer through a vent between the freezer and fridge.The fan in the freezer blows air through it. There is a flap you adjust with the fridge temp control. Make sure the fan is running when the compressor runs. Make sure the vent(damper) opens and closes as you adjust the fridge temp control.

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1 Answer

Freezer works, frig does not. Also ice build up in freezer coil


I just worked on a FF801W which is supposed to be very similar. The defrost heater in mine was of the glass tube type and located under the evaporator. There was a bimetal thermostat clipped to the top of the evaporator and a thermal fuse (sealed in a clear plastic tube) nearby. The connections were behind a little plastic cover (2 screws) in the back wall just above the evaporator.

Mine was iced up like yours and I had to defrost it with a hair dryer. All the defrosting parts in the freezer compartment turned out to work so I now suspect the defrost timer (down by the compressor). I've marked it and I'm waiting to see if it's turning.

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Check to see if air is blowing into refrigerator compartment.If no air is blowing.It may be that the settings on your dials are not right.If they are and air is not blowing,your evaporator fan is not working,or may be obstructed.

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