Error code
Mitsubishi Electric PAC code U3
No approved translation for this record yet; showing the original text.
Meaning
(Detection is inoperative for 10 minutes of compressor starting process and for 10 minutes after and during defrosting.)
Member details
Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.
View details as a memberPossible causes
(1) Disconnection or contact failure of connector (TH4) on the outdoor controller circuit board (2) Defective thermistor (3) Defective outdoor controller circuit board
Solution
Solution steps are not shared for faults that may be dangerous.
No do-it-yourself solution is given for this fault. For your safety, call an authorised service.
Remote technician support
Get help from a technician over a video call.
Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/pac/u3