Mitsubishi Electric MXZ Series Error Codes
Up to eight different indoor units from the M series and Mr. Slim series can
be connected to just one MXZ/PUMY outdoor unit to provide optimal air
conditioning that meets the requirements of every room. The 14.0 / 16.0 and
15.5 / 18.0 kW outdoor units operate in cooling or heating mode and can be
supplied with a 1- or 3-phase voltage supply.Outdoor unit failure mode table
2-time flash Outdoor power system
3-time flash Discharge temperature thermistor
4-time flash Overcurrent
5-time flash Discharge temperature
6-time flash High pressure
7-time flash Fin temperature/P.C. board temperature
8-time flash Outdoor fan motor
9-time flash Nonvolatile memory data
10-time flash Discharge temperature
