Question about Carrier 38CKC036 Air Conditioner

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My digital thermostat has shut off after a power failure. There is absolutley no display appearing. I pulled the thermostat off thinking maybe the batteries were no longer working but came to find out that the thermostat does not have batteries. I then went and bought a brand new thermostat that does have batteries for the display but when I properly installed the new one, the display worked (of course because of the batteries) but niether the heater nor the airconditioner comes on when I tried to set the temperature to have it come on. I also tried the Fan On option and the Fan won't even come on. Of course before I went and bought the new thermostat I checked the breaker to the AC and turned it off for a few minutes but that didn't help and I also looked next to the actual unit outside and did find a box attached to the house and thought that should be the individual breaker for the unit but when I opened the box there was no lever to trip inside or on the side of the box, just a wierd looking black hook looking think that had ON, OFF on it.The only thing I could do with that is pull it straight out toward me and I turned it aroung in my hand and inside of it was like some metal prongs that locked it in from where I Pulled it out from. What else can I do or can you please tell me where I can find something I should trip (like a breaker) on the actual AC unit. HELP! Any suggestions? I am not sure of the unit model number because I am at work. I just picked on from the list. The unit is only 4 years old

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Check inside the air handler for a small 3 Amp fuse or wire that may have come off of a terminal.

Posted on Oct 21, 2008

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SOURCE: My digital thermostat has shut off after a power failure....

What you have is a 24v control circuit problem. There is a transformer in the air handler ( inside unit ) you will have 220v on the one side and 24v on the other. If you have 24v from transform there is a small fuse on the pc board that could blow during power problems. On the inside cover you should find a wiring diagram.

Posted on Oct 01, 2008

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Posted on Jan 02, 2017

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How to adjust oven controll to the right temp.


You may find that your new oven cooks differently than the one it replaced. Use your new oven for a few weeks to
become more familiar with it. If you still think your new oven is too hot or too cold, you can adjust the thermostat yourself.
Do not use thermometers, such as those found in grocery stores, to check the temperature setting of your oven.
These thermometers may vary 20-40 degrees.
NOTE: This adjustment will not affect the broiling or the self-cleaning temperatures. The adjustment will be retained
in memory after a power failure.
Adjust the oven thermostat-Do it yourself!
To Adjust the Thermostat
Touch the BAKEand BROIL HI/LOpads
at the same time for 2 seconds until
the display shows SF.
Touch the BAKEpad. A two digit
number shows in the display.
The oven temperature can be adjusted
up to (+) 35°F hotter or (-) 35°F
cooler. Touch the + pad to increase the
temperature in 1 degree increments.
Touch the - pad to decrease the
temperature in 1 degree increments.
When you have made the adjustment,
touch the START/ON pad to go back to
the time of day display. Use your oven
as you would normally.
NOTE: This adjustment will not affect the broiling
or self-cleaning temperatures. It will be retained
in memory after a power failure

Dec 02, 2014 | Hotpoint RGB745 Gas Kitchen Range

1 Answer

Series 48000 with heat pump we don't want this to run all the time will the heat shut off when it reaches a certain temp also if the power goes out does it come back on automatic we want to heat our place...


Not sure about your particular make and model, but air conditioners are designed to work with a thermostat to control the functions. A properly functioning thermostat will stop the compressor when the set space temperature is satisfied. When the space temperature falls below (heating) the set temperature, the thermostat should turn it back on. In the event of power failure, an electronic thermostat probably will not operate at the previous set temperature when power is restored, but maybe at a higher temperature (but will work).

Dec 05, 2013 | Coleman Mach 15 Air Conditioner

1 Answer

H4 Displays


H4 indicates "low temperature", possibly caused by a failure of the heater lamp or fuser. Sometimes this error is shown without an actual damage when the power cord is pulled without shutting down the copier first.

To cancel the error code, press [CLEAR], [AUTO], [CLEAR], [AUTO] in rapid succession. The display should go blank. Next, select 14 (clear low temperature code), press [START]. Finally, switch off and on the machine.

If there was no actual damage (i.e. power cord pulled), the machine should be OK again. If the error persists, immediately or after short time of operation, you will need to contact Sharp technical service for repair.

Jan 10, 2011 | Sharp AR-5316 Advanced Digital Imager...

1 Answer

The copier displays H4 What is the solution?


H4 indicates "low temperature", possibly caused by a failure of the heater lamp or fuser. Sometimes this error is shown without an actual damage when the power cord is pulled without shutting down the copier first.

To cancel the error code, press [CLEAR], [AUTO], [CLEAR], [AUTO] in rapid succession. The display should go blank. Next, select 14 (clear low temperature code), press [START]. Finally, switch off and on the machine.

If there was no actual damage (i.e. power cord pulled), the machine should be OK again. If the error persists, immediately or after short time of operation, you will need to contact Sharp technical service for repair.

Jan 09, 2011 | Sharp AR-5316 Advanced Digital Imager...

1 Answer

Mystery message "wait" appears above "following schedule" display line on our Th8000. Ac does not come on even when temperature is in range. Fan operates ok. Is "wait" setting one I can reset? Maybe a...


Mystery message "wait" appears above "following schedule" display line on our Th8000. Ac does not come on even when temperature is in range. Fan operates ok. Is "wait" setting one I can reset? Maybe a compressor issue rather than thermostat? Thanks

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1 Answer

Temperature setting is wrong. Stove is about 80 deggrees cooler than what the knob is set at. I am a yooper too.


If you think it is too cool, adjust the thermostat to make it hotter.


To Adjust the Thermostat:
1. Put the Oven Set knob in the OFF position.
2. Press and hold the HOUR INCREASE and the HOUR DECREASE pads at the same time for 5 seconds until the display changes.
3. Immediately, before display changes back, press the HOUR INCREASE or DECREASE pads to increase or decrease the temperature in 5 degree increments.The oven temperature can be increased up to 35°F.hotter or decreased 35°F. cooler.

If the oven adjustment is set cooler than the factory setting a minus sign “–” and the new temperature will appear in the display.

4. Wait several seconds for the control to automatically set and return to its previous setting.

NOTE: This adjustment will not affect the broiling or the self-cleaning temperatures. The adjustment will be retained in memory after a power failure.


To Adjust the Temperature on Models with Only an Oven Set Knob
1. Put the knob in the OFF position.
2. Pull the knob off by pulling straight out.
3. Press and hold the HOTTER or COOLER button for 5 seconds to make the oven 20°F. hotter or 20°F. cooler.
When you are adjusting the thermostat, the following lights will flash indicating where the thermostat will be set when you release the
adjustment button:
OVEN ON indicates the thermostat will be set at the factory setting.
PREHEATED indicates the thermostat will be set 20°F. hotter.
CLEAN indicates the thermostat will be set 20°F. cooler.
4. After you have made the adjustment, replace the knob.



If you have any doubt please go through the manual which is given here

http://kitchen.manualsonline.com/manuals/mfg/hotpoint/rgb745.html


Hope this will help you
Thank you

Oct 02, 2009 | Hotpoint RGB745 Gas Kitchen Range

1 Answer

Ge xl44 stove digital display clock stop working.


We see this failure due to two possible problems with the electronic control. Sometimes there is a failure that causes the display to shut off. Other times the display itself goes bad. The first case we can repair. If you send us the board we can check it out. If it is not repairable there is no charge. - www.fixyourboard.com.

Sep 30, 2009 | GE Profile Spectra JGBP90 Gas Kitchen...

1 Answer

Display P 1 what does this mean? It will not turn on. I have unplugged and plugged back in.


YOU MAY HAVE HAD A POWER FAILURE. CHECK THE BREAKERS IN THE MAIN POWER PANEL. IF THEY CHECK OUT MAYBE THE BATTERIES ARE LOW IN THE THERMOSTAT. I HOPE THIS HELPS. PLEASE KEEP ME POSTED. THANKS FOR USING FIX-YA, AND FOR AN HONEST RATING.

Aug 21, 2009 | Heating & Cooling

1 Answer

My digital thermostat has shut off after a power failure. There is absolutley no display appearing. I pulled the thermostat off thinking maybe the batteries were no longer working but came to find out that...


You have to realize there are three components to the electrical supply... 1. power to the outside condensing/compressor unit-you found the service disconnect at the unit. Make sure that you put the black thing back in the slot with ON reading up. OFF up means the prongs do not connect the unit with the current. In order to confirm that you have power at the outside unit use a voltage tester. If no voltage, check the breaker on the panel in you residence (probably labeled AC). 2. Power to the inside blower/furnace--again this is in the residential circuit panel. COnfirm voltage at the unit with a voltage tester. 3. Power to the thermostat system usually 24 volts run through a transformer that may be attached inside the blower unit or may be seperate and attached to an outlet. Again you need to confirm that this transformer is working with a voltage tester (you should have 24 vdc on the out side of the transformer). Assuming you have power to all three components, the system should work normally. If not, send pictures of the wiring to your termostat...

Oct 01, 2008 | Air Tools & Compressors

1 Answer

My digital thermostat has shut off after a power failure. There is absolutley no display appearing. I pulled the thermostat off thinking maybe the batteries were no longer working but came to find out that...


What you have is a 24v control circuit problem. There is a transformer in the air handler ( inside unit ) you will have 220v on the one side and 24v on the other. If you have 24v from transform there is a small fuse on the pc board that could blow during power problems. On the inside cover you should find a wiring diagram.

Oct 01, 2008 | Carrier 38CKC042 Air Conditioner

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