Question about Amana PTC153B50AJ Electric Heat Air Conditioner

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Amana PTC153A50AD Electric Heater

On high heat/low heat modes, unit blows only cold air. Electrician has measured 240 v. nom. in receptacle. Control board LED pulsates with one blink. Ohm meter across 240 prongs of plug registers an open.

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  • 86 Answers

1. copressure not working.
2 check spare parts of a/c.
3 wiring

Posted on Mar 17, 2008

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Posted on Jan 02, 2017

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1 Answer

My Honeywell thermostat isnt keeping my house cool even though the temp is set to 69. Currently 90 degrees in here


Its probably not the thermostat. The air conditioner may be stuck on heating mode. If its a reverse cycle, the reversing valve may be jammed so even when the thermostat is calling for cold air, it stays on heat. If the machine is on heating mode, it should be blowing cold air out of the outdoor unit of the air con. If its on cooling mode, the outdoor should be blowing hot air.

Apr 12, 2015 | Honeywell Heat/Cool Thermostat

1 Answer

Unless we set the thermostat very high, like 80 degrees, the heater will blow cold air. When the heat does blow, it will eventually stop blowing heat and the fan will continue to blow cold air.


Check and make sure the filter is clean. This sounds like a restriction in the system. If the unit has central cooling make sure ther indoor evaporator coil is clean at the furance.The unit may be cycling the burners on and off at the high heat limit , fan/limit control. You can also eliminate the thermostst from the furance. Turn power off at the furnace and disconnect the wiring from the thermostat. Jumper the red and white wire together. Turn the furnace back on. The furance should run in the heating mode. Try this and see if the problem is still there.

Jan 25, 2011 | Heating & Cooling

1 Answer

Induced Draft Blower Not Blowing- 3 Blinks on LED


Your doing well just right. When the call for heat is on the draft motor gets a call from the board to come on. When this happens if no voltage is present at the motor then you ahve abad baord. Replace it.

Nov 28, 2009 | Heating & Cooling

1 Answer

A/c cooling fine but not heating


The fan generally does not come on until the unit has achieved some high head pressure so that it can produce hot air. If it is low on gas it will not get to this stage.

Jun 26, 2009 | Heating & Cooling

2 Answers

Heat Pump no longer produces cold air. Blows good but not cold.


make sure the coils are clean run unit a bout 20 min take cover off and feel the lines on the compressor the big one should be cold and small hot feel top of compressor to make sure running
if big line not cold most likley freeon has leaked out if compressor not running low psi may have unit out look at the compacitor if swelled up bad hope this helps

May 22, 2009 | Heating & Cooling

2 Answers

My air conditioning unit is not blowing as cold as it did, nor is it blowing as hot as it did in the heating mode


90 percent of the time the freon charge is low and lack of freon lessens the amount of compressed heat that can be created and also the amount of heat that can be extracted. hence less cooling and less heating. however the exact same thing can occur when a change over valve gets stuck partially between heat and cool . it then mixes the hot and cold together and you get poor cooling and poor heating. you check it with a gage. fed law requires that you have an epa certification to apply a gage. low pressures in heat and cool on both high and low pressure gages are a sign of low charge. if low pressure and high pressure are close to the same on both gages then a good chance valve is stuck half way between. you can also sometimes check by feel . at the change over valve two lines should be virtually to hot to touch and two should be cold to the touch. one is heating flow and other is cooling flow. if the valve is stuck then temps will be within a few degrees of the same on all. low charge and the hot lines won't be hot hardly .and the cold line s barely cool. look for white frost forming in the heat mode outside at the condensor tubing shortly after you turn on the heat. thats a sign of low charge. good luck.

Nov 04, 2008 | Heating & Cooling

2 Answers

Heat pump is not kicking in, no heat at 42 degree outdoor temp


HI,

Most likely has a freon leak , or a control problem causing heat to turn on, or if you have a heatpump the reversing valve has a problem.

Oct 10, 2008 | Amana PTH123B35AE Air Conditioner

2 Answers

Ruud Heat Pump


Check to see if there's low voltage reaching the contactor's coil. If there is. and it doesn't close (pull in), then it's defective and should be replaced. Cut the power and check ohms to be certain.

Aug 09, 2008 | Ruud UAMB Air Conditioner

1 Answer

We have a fujitsu air con model ast9lsbcw which blows cold air from the outside unit and the inside unit is not cooling the room.


Sounds like you have it in heating mode or it is low on charge. In cooling mode, the outside fan should blow hot air not cold.

Jul 30, 2008 | Heating & Cooling

1 Answer

Coleman 15k will not come on


Here is the troubleshooting guide for your unit. Hope this helps.

TROUBLE SHOOTING GUIDE
TROUBLESHOOTING
Symptom Remedy
1. Remote does not turn on system
- Check and replace remote batteries if the display fades while
any button is activated or no display is present. - Point remote towards IR receiver during transmission. 2. System does not turn on, no green LED & no beep
- Check wiring. (see "installation instruction")
- Check modular cable to receiver.
- Check diagnostic LED status in the upper unit control box.
3. System does not turn on even when receiver green LED is on.
- Low or over voltage condition, check diagnostic LED status in the upper unit control box.

4. Fan runs but no cold air.
- Evaporator temperature sensor reaches low limit, defrost mode.
- Check diagnostic LED status in the upper unit control box.
5. System runs continuously in the cool mode
- Remote was set for "I feel" mode and is left in a heated environment (sun etc.)
6. System runs continuously in the heat mode
- Remote was set for "I feel" mode and is left in a cool environment

1. Diagnostic LED (green)
(Note: Located on the control board in the upper unit control box.)
a) The LED is on when the 12VDC is adequate and communications are
present.
b) The LED is flashing fast and steady when in the freeze mode. Evaporator has frozen and the freeze proctection switch is engaged.
c) The LED is flashing slow and steady when the delay on break timer is
activated.
d) The LED is flashing 1 cycle on and off for one second with high or low
12VDC. Check the incoming 12VDC power for OK.
e) The LED is flashing 2 cycles on and off for one second with a
communication problem. Problem with the control board in the unit and the remote.

Hope this helps.

Jeff

Rate me Please!!!

Jul 29, 2008 | Coleman Mach 15 Air Conditioner

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