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We had a to turn the power off and now the air con operation and timer pre def is on and the air con wont work

We have tried turning it on and off but still flashing ilghts help

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  • Expert
  • 101 Answers

WHAT IS THE BRAND & MODEL? WHAT IS PRE DEF???

Posted on Dec 11, 2014

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Posted on Jan 02, 2017

hvac1960
  • 2133 Answers

SOURCE: air con not working. Operation

First check your timer on and off. If you want to reset, remove batteries from remote and power off to unit. Reset it. Now run the unit. Set temp mode once again in your remote and wait for 3 minutes. If still out door unit not working, check power line to out door unit.

Posted on Dec 31, 2010

  • 1 Answer

SOURCE: cant get air con to work it is a teco air conditioner

Ours did the same. My husband checked the manual and found that the filters were FILTHY! The filter is at the front of the inside unit. If you still have the manual it will show you where. This fixed ours as it was NOT working at all!!

Posted on Jul 28, 2010

bobotfel
  • 236 Answers

SOURCE: green light flashes 3 times will not operate

Its may be the thermistor is defective or out of range or the board itself, the unit will not operate unless the defective part is not replace.

Posted on Mar 09, 2008

  • 334 Answers

SOURCE: All lights are flashing including Pre Def, Timer,

Not sure the make and model of your equipment you have there but sounds to me like your control board is trying to tell you it is bad.

Posted on Jun 12, 2009

hvac1960
  • 2133 Answers

SOURCE: timer light flashing , turned

Remove the battery in Thermostat and re set it.Now start the unit.

Posted on Dec 06, 2010

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2 Answers

Goodman minisplit flashes on pre. Def. Wont start


You have to try resetting the system. First turn the breaker off for the condenser and wait about 20 seconds. After you turn it back on the system should reset.


Air Conditioning Repair Tamarac

Apr 07, 2015 | Goodman Heating & Cooling

1 Answer

Panasonic air con - when you turn the air con on it runs for about 3 mins and then the timer light flashes. Air con will not work.


• Once abnormality has occurred during operation, the unit
will stop its operation, and Timer LEDs blink.
• Although Timer LED goes off when power supply is turned
off, if the unit is operated under a breakdown condition, the
LED will light up again.
• In operation after breakdown repair, the Timer LED will no
more blink. The last error code (abnormality) will be stored in
IC memory.
• To make a diagnosis:
1. Timer LED start to blink and the unit automatically
stops the operation.
2. Press the CHECK button on the remote controller
continuously for 5 seconds.
3. "- -" will be displayed on the remote controller display.
Note: Display only for "- -". (No transmitting signal, no
receiving sound and no Power LED blinking.)
4. Press the "TIMER" or button on the remote
controller. The code "H00" (no abnormality) will be
displayed and signal will be transmitted to the main
unit.
5. Every press of the button (up or down) will increase
abnormality numbers and transmit abnormality code
signal to the main unit.
6. When the latest abnormality code on the main unit
and code transmitted from the remote controller are
matched, power LED will light up for 30 seconds and
a beep sound (continuously for 4 seconds) will be
heard. If no codes are matched, power LED will light
up for 0.5 seconds and no sound will be heard.
7. The breakdown diagnosis mode will be canceled by
pressing the CHECK button continuously for 5 sec-
onds or without any operation the remote control for
30 seconds.
8. The LED will be off if the unit is turned off or the
RESET button on the main unit is pressed.

When you have the error code, we can work out what to do next.

Mar 27, 2015 | Panasonic Heating & Cooling

1 Answer

Dear Experts, My Air con is not working, cant be turn on, there is blinking on the power . Tried to cancel the timer, it didnt work. Thanks Sri


To cancel the timer remove batteries in remote and reset it. and also reset the power with a/c unit. now you can operate with your remote.

Dec 30, 2010 | Heating & Cooling

2 Answers

My panasonic airconditioner c9kkzw timer is always blinking and automatically turned off every hour. its driving me crazy becasue my kids won't asleep.. please please help me, tried turn and off but to no...


I think, you have set the timer for one hour. No problem, remove battery from remote and reset it and same way isolate the power to your air conditioner for 5 seconds and reset it. Now all pre programmed would have been canceled. Now you can set your temp as you like.
And another reason may be your compressor getting heated after an hour, due to dust blocked in your out door coil. Hence, please serive the unit at once. Thanks.

Dec 15, 2010 | Panasonic CS-A12C Air Conditioner

1 Answer

All lights are flashing including Pre Def, Timer, Operation and Auto but air conditioner is not functioning


Not sure the make and model of your equipment you have there but sounds to me like your control board is trying to tell you it is bad.

Jun 12, 2009 | Heating & Cooling

1 Answer

My heater will not work


the remote is the "brains to the heat pump/air con, low battery power or spent batteries will effect the cycle between indoor unit and outdoor unit, replace the batteries and turn off curcuit breaker at main switch board for a couple of minutes and turn back on. Try restarting unit.

Jun 05, 2009 | Heating & Cooling

2 Answers

Cant get air con to work it is a teco air conditioner


Ours did the same. My husband checked the manual and found that the filters were FILTHY! The filter is at the front of the inside unit. If you still have the manual it will show you where. This fixed ours as it was NOT working at all!!

Mar 01, 2009 | Heating & Cooling

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