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Lr40061 fan coil circuit board - Carrier Heating & Cooling

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Mainboard location


There is usually a thermistor in the coil inside that switches the fan on after defrost. It might be open circuit or the coil may not be getting cold enough. Check the condenser is clear and clean and try a thermometer in the evaporator (coil inside) to see how cold it's getting.

Jun 13, 2012 | GE GTS22KHP Top Freezer Refrigerator

1 Answer

Ruud compressor relay not working a/c


Hello,im assumimg you are referring to the contactor coil on the oudoor unit. First you must verify if the coil is receiving 24 volts from the thermostat at the coil terminals, if not there is a problem with the low voltage circuit, possibly a a open thermostat wire or a fuse blown on the indoor control board. If ther is 24 volts at the contactor coil and it does not engages then the contactor coil must be replaced

May 24, 2012 | Ruud UAMB Air Conditioner

1 Answer

I have found this unit overheating multiple times. Each time the coils were not totally frosted, but defrosted them with hair dryer and restarted. Unit runs fine for weeks. Last time, discovered the fan in...


Next time the fan stops check to see if the fan is being powered, if not the circuit board is likely the problem, if it does have power the fan may be faulty.

Nov 01, 2017 | GE DSS25KGT Side by Side Refrigerator

1 Answer

WHERE IS THE FAN MOTOR RELAY


usually mounted on the fan housing, with the relay assembly sticking inside the fan housing. Locate the fan housing in the engine compartment and look for a plug and board. Unplug and unscrew the board and lift the relay out of the fan housing. Usually looks like a couple of coils on a circuit board.

Replace and re assemble in reverse order.

Aug 05, 2009 | 1994 Mazda B-Series

1 Answer

Circuit board fuse tripping in cool position


it could be short circuited compressor contactor coil

May 28, 2009 | Goodman CKL42AR42 Air Conditioner

1 Answer

Blower fan stays running. Fan relay attached to small circuit board (coil tabs [timer?]). Capacitor on small circuit board had ''fallen out'' of ic board. Tried to get replacement board, and was sold...


If fan runs on 220 you have one constant 110 that always goes to the motor. The other 110 goes through something that will turn it off and on. This being the relay, just like a light switch. This 110 will land on the "N O" (normally open) set of contacts. "Open" meaning the voltage can't pass through. When the relay gets energized the contacts close. This completes the circuit, the motor gets the 220 it needs and it runs. On the relay coil (how it gets it's energy) you need a low voltage common and you need the "G" wire from the tstat. Likely green in color, this is your indoor blower low voltage wire. When the tstat calls for fan, cool or heat, the relay energizes, closes the contacts, fan runs. Good Luck!!

May 16, 2017 | Carrier Heating & Cooling

2 Answers

Fan running but no heat


It could be the circuit board, relay, heat strip coil or limit. If you have the fan switch at the t-stat in auto and the fan is running constantly it's probably a high temp limit that tripped. Was your filter clean or dirty? If you had a dirty filter and/or A/C coil it will restrict air flow and cause the furnace to overheat.

Jan 18, 2009 | Carrier 38CKC042 Air Conditioner

1 Answer

Evaporator coils iceing over; warminhg on frig side of model 106....


As I said; the fan and compressor run fine but I cannot find the defrost timer. Is it integrated into the control board.
Thanks

Jul 27, 2008 | Kenmore 50522 / 50524 Side by Side...

1 Answer

HRT02WNC Refrigerator not working


have you checked if you get power to compressor? probably a defective relay/overload ,possible dirty coils. if fan looks connected to the defrost thermostat change the defrost thermostat that usally goes bad, it's usually an L40.

Apr 23, 2008 | Refrigerators

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