Mitsubishi Heavy air conditioners Fault Codes list

See also: Mitsubishi Air Conditioners Service Manuals

E1 -failure of the printed circuit board of the indoor unit, the remote control is connected incorrectly or is faulty.

E2 - duplication of addresses of internal blocks

E3 - invalid outdoor unit address

E5 - defective control board of the outdoor unit

E6 - evaporator temperature sensor closed / disconnected

E7 indoor unit sensor short-circuited

E8 - evaporator overload or sensor defective

E9 - error of the drainage pump or float sensor

E10 - more than 16 indoor units are connected to the control panel

E11 - more than one unit is connected to the control panel when the address is busy

E12 - address setting error

E14 - incorrect master-slave connection settings (master-slave)

E16 - defective indoor unit fan

E28 - defective control panel sensor

E30 - error connecting outdoor / indoor units

E31 - duplication, incorrect address settings

E32 - wrong phase sequence or wire break

E33 - open compressor winding

E34 - open phase L3 winding 52C

E35 - high condenser temperature or temperature sensor defective

E36 - Inadmissible exhaust air temperature deviation

E37 - defective condenser temperature sensor

E38 - defective outdoor temperature sensor

E39 - faulty thermal sensor discharge pipe

E40 - 63N1 high pressure switch tripped

E49 - system has stopped, low pressure or insufficient refrigerant

E52 - 52C failure

E53 - defective suction pipe thermistor

E54 - low pressure sensor disconnected

E55 - defective compressor thermistor

E56 - The power transistor thermal sensor is defective or broken

E57 -Not enough refrigerant

E59 - the compressor does not start

E60 - compressor positioning error

E63 - emergency shutdown of the indoor unit

This list of fault codes is intended for Mitsubishi Heavy Air Conditioners models:

• FDTA28KXE4 FDTWA28KXE4 FDTQA22KXE4
• FDRA22KXE4 FDQMA22KXE4 / 28/36/45/56/71/90/112/140
• FDTSA22KXE4
• FDUMA36KXE4 FDURA45KXE4 FDEA36KXE4
• FDKA22KXE4 FDFLA28KXE4
• FDE321HKXE2 401HKXE2 501/631/801/1001 / 1251HKXE2
• FDKY251HKXE2,321HKXE2,401HKXE2,501HKEXE2,631HKXE2
• FDFL251HKXE2,401HKXE2,631HKXE2
• FDFUA28KXE4 SRK20ZD-S SRK501CENF-L
• SRK561CENF-F SCM328CENF-L1 SCM338CENF-L1
• SRK25GZ-L1 / 35 / 502Z-L
• FDC508HES3 808HES3 1008HES3
• FDT208-A 258A 308A 408-A 508-A
• FDR208-A 258A 308A 408-A 508-A
• SCM60ZD-S SCM80ZD-S
• SKM2ZD-S SKM25ZD-S
• SKM28ZD-S SKM35ZD-S
• FDC2001HKXRE2.2501HKXRE2