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Haier HWR12XCB make breaker go OFF when restarting the compressor

When the pressure is too high to let the compressor start, the compressor jump to 35-40 amps for at least 1 second before the relay stop the current. After 2-3 try, the house circuit breaker blow.

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Posted on Jan 02, 2017

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HEY,Kim, connect the red hose with the crooked end on the small line service vale and the blue crooked end to the fat line service valve and read the preassure now. Also the yellow line connect to the refrigerant tank...!

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Plug is having loose contact. may be wire are loose inside socket. Tighten them. The contact should be firm not sparky loose.

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#1 Compressor fault, may be capacitor relay. #2 no gas or fan faulty (not working)

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2 Answers

I have a a old Gibralco compressor when i cut it on it starts fine when it reaches desired pressure it stops and restarts until i kicks the breaker what can i try


i suspect that the start/run capacitor is faulty or the centrifugal switch in the back of the motor is faulty

have an accredited electrician check the motor , capacitor and the pressure control switch
the air leak at the head is a faulty non return valve in the compressor line to the tank
available at good tool shops for around $60.00

Sep 07, 2015 | Air Tools & Compressors

2 Answers

Compressor runs and compress air,but when air setting is depleted compressor will not start to compress more air.If you waite it will start some times do think this might the compressor switch


If it doesn't try to start, then it could be the pressure switch. Another suspect could be the thermal overload on the motor. The motor (or just the overload) might be overheating and shutting the unit off, then allowing it to restart when it cools.

Is there any humming, or does it blow the breaker? When ot shuts off, do you hear a brief hiss of air?

If there is humming or breaker blowing on restart, or no hiss of air at shutoff, the pressure switch unloader valve is probably bad. If the air blows off, and there is no humming, and the compressor doesn't reliably start, it is probably the pressure switch. If pressure drops too low, give the pressure switch a tap with a screwdriver. If it starts then, the pressure switch is your problem.

Jun 02, 2011 | Air Tools & Compressors

1 Answer

Condensing unit terns off but won't come back on kicks off breaker


If it runs, turns off, then tries to restart and kicks breaker, look for bad start components. Check start relay, start capacitor. It may be trying to restart too quickly and the compressor over amps and breaker trips. The system needs to have at least 3 minutes of off time before trying to restart. This allows the pressures in the system to balance enough so the compressor can overcome the high side pressure and start. I've seen where people turn the control up and down very quickly causing the compressor to over amp and trip breakers and over loads.
Hope this gets it for you.

Oct 22, 2009 | True 19 cu. ft. / 538 liter Commercial...

1 Answer

Warm air only


compressor not running thermostat set properly?
possible compressor over heated is it clean ? turn off clean then the compressor might start you likely need service. Tom

Jun 20, 2009 | Haier HWR12XCB Air conditioner

1 Answer

Porter cable compressor will not restart once it is under pressur


This is likely a bad check valve which is allowing pressure from the tank to leak thru back to the compressor. The compressor won't start because the compressor cylinder has air pressure on it.

The check valve is about the size and shape of a .410 shotgun shell -- it's in the copper line from the compressor to the tank.

May 27, 2009 | Craftsman 3 gal. Air Compressor, 1.5 hp,...

1 Answer

Haier window airconditioner cooling is not effective


there is a temperature sensor bulb in front of the evaporator. check if it is too near to the coil. move iit away about an inch.

Apr 30, 2009 | Haier HWR12XCB Air conditioner

1 Answer

Air compressor flips breaker before it will start?


Air compressors tend to draw more power as they age, however, will not trip breaker unless some malfunction. Here are some simple tests. Unplug compressor and turn the pump by hand, you may have to remove a cover to do this. It should turn freely; any resistance could be failing bearing (would make noise) unloader/check valve leaking allowing back pressure to pump, or failed start capacitor/start winding. Easy test for checkvalve. With pressure in tank loosen discharge hose at tank and check for air leak. Check valve should hold pressure in tank. Replace as needed. Failed capacitor/s will cause high amp draw. Remove from circuit and test. UF reading should be within 95% of printed rating. Finally, most air compressor motors have two windings, start and run. Power to windings is controlled by flyball switch inside rear of motor. This switch has contacts that can stick in start position and cause high amp draw. Examine windings for signs of overheating. Copper windings generally have color of new penny. Very dark brown windings bad news. Gook luck

Jan 06, 2009 | Air Tools & Compressors

2 Answers

Haier dehumidifer HD656E


What you think it means is exactly what it does mean. When a running unit is shut off it should not be restarted until the system pressures have had time to balance out so the compressor can restart without difficulty.

Jun 18, 2008 | Haier 65-Pint Dehumidifier

1 Answer

Compressor problem


The click your hearing is a thermal cutout that is kinda like a little breaker, it gets to the temp that it is designed for and trips. If its making a high pitch noise, more than likely the compressor itself has gone out and needs to be replaced, its getting a high load and triping the thermal cutout.

Sep 21, 2007 | Haier 5 cu. ft. / 142 liter Chest Freezer...

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