Error code
Mitsubishi Electric PU code EC
No approved translation for this record yet; showing the original text.
Meaning
Start-up time over The unit can not finish start-up process within four minutes after power on.
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) Contact failure of indoor/outdoor unit connecting wire (2) Diameter or length of indoor/ outdoor unit connecting wire is out of specified capacity. (6) Noise has entered into power supply or indoor/outdoor unit connecting wire. (7) Remote controller is wired up among indoor units (twin, triple or quadro units). (8) Two or more outdoor units has refrigerant address “0.” (In case of group control).
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/pu/ec