Question about Cfm Daikin R410a Split System Air Conditioner

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What Can I do to fix a daikin heat pump U2 error code or do I need a serviceman?

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6ya6ya
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Posted on Jan 02, 2017

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jasondonohue
  • 6 Answers

SOURCE: solution for u2 error

it sound like the outdoor pcb has failed, if your unit is less then 5 years old it will be under warranty. if your unit is a rxd50/60/71jvea it will be a fan motor and pcb

Posted on Jun 20, 2012

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1 Answer

Fix error code a5


Freeze-up protection. Check that indoor or outdoor heat exchangers are not clogged with dust or dirt. Check filters also. Reset by turning off power to system for 5 minutes and retry. If problem still exists could be a problem with refrigerant levels.

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1 Answer

Code u 4 - Daikin model Rxymq48mvju


U4 Is a communication error between indoor and outdoor units.
usually means one of the PC boards is faulty. If unit has been freshly installed check wiring between indoor and outdoor 1,2,3 are the same colours on both boards.

May 04, 2013 | Daikin RXYMQ48MVJU, VRV-S Air Cooled Eight...

1 Answer

Solution for u2 error


it sound like the outdoor pcb has failed, if your unit is less then 5 years old it will be under warranty. if your unit is a rxd50/60/71jvea it will be a fan motor and pcb

Mar 16, 2012 | Cfm Daikin R410a Split System Air...

2 Answers

Is there a reset button on daikin splits? If so where can I find it.? Fault code U4.


the fault code for daikin u2 is power supply is too low the reason for this is complexed and needs an expert to fix it




hope this helps in some way

Dec 02, 2010 | Cfm Daikin R410a Split System Air...

1 Answer

How to reset the error code on daikin aircon


more info needed. try fixing the problem then turn unit of at the main power wait for 10 mins then turn on? whats the error code?

Nov 06, 2010 | Cfm Daikin R410a Split System Air...

1 Answer

I have daikin air con brc1c51/61 showing error code J2.


you cannot fix this mate... you will need a fridge mechanic.. try cleaning your filters id say that's your only chance

Nov 11, 2009 | Heating & Cooling

1 Answer

U2 PROBLEM blinking U2 and will not print


U2 RAM error
U2-00 EPROM error
U2-01 Counter error
U2-01 Memory back-up battery dead
U2-04 EPROM error
U2-11 Main counter error
U2-12 EPROM error

As you can see there are many U2 error codes. Needless to say, find your code and the replace the bad part. The battery is on the main board. The EPROM is on the main board.
If you find your code, replace the part and error still remains -- replace main board.

Feb 03, 2009 | Sharp AR-5316 Advanced Digital Imager...

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