Mitsubishi fault codes
From the Mitsubishi manuals on file, range by range.
Mitsubishi Ecodan
- 1Main remote controller display is blank
- 10Temperature of DHW tank water dropped
- 12Water leakage
- 13Heating system does not reach the set temperature
- 14In 2-zone temperature control, only Zone2 does not reach the set temperature
- 15When a PUHZ-FRP outdoor unit is connected, DHW or heating operation cannot run
- 16When a PUHZ-FRP outdoor unit is connected and in heat recovery operation, the set...
- 19Water discharges from pressure relief valve (primary circuit)
- 2'please wait' remains displayed on main remote controller
- 20Water discharges from pressure relief valve (sanitary circuit)
- 23Noisy water circulation pump
- 25Mechanical noise heard coming from the cylinder unit