Error code
Mitsubishi Electric CMB code 5203
No approved translation for this record yet; showing the original text.
Meaning
Intermediate pressure sensor fault (HBC PS3): When a pressure sensor reading of 4.06 MPa [589 psi] or above or 0.098 Mpa [142psi] or below is detected, error codes "5201" or "5203" will appear. The unit will continue its operation by using other sensors as a backup.
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) High pressure sensor failure (2) Torn wire coating (3) A pin on the male connector is missing or contact failure (4) Disconnected wire (5) High pressure sensor input circuit failure on the control 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/cmb/5203