Multi VRF Indoor
Unit Service Manual
79
Error display of mainboard LED of duct type indoor unit
Error Error Code Error Error Code
Prevention against low temperature E2 Error with oil temperature sensor 2 (digital) Fb
Outdoor ambient temperature sensor error F4 Indoor ambient temperature sensor error F0
Outdoor tube-inlet sensor error F5 Exhaust overtemperature E4
Outdoor tube-middle sensor error F6 Low-pressure protection E3
Outdoor tube-exit sensor error F7 Overcurrent Protector E5
Error with exhaust temperature sensor 1
F8 High-pressure protection E1
Indoor tube-inlet sensor error F1 Communication error E6
Indoor tube-middle sensor error F2 High-pressure valve error Fc
Indoor tube-exit sensor error F3 Low-pressure valve error Fd
Error with exhaust temperature sensor 2 (digital) F9 Water-full protection (Cassette) Eb
Error with oil temperature sensor 1
FA
Error display of mainboard LED of cassette type indoor unit
Trouble LED
Trouble name Electrical source LED Operation LED Timing LED
Tube-inlet sensor error
Tube-middle sensor error
Tube-exit sensor error
Room sensor error
Defrost
Antifreeze
Water-full protection
Communication error
Outdoor unit failure
Auxiliary heater error
Error display of mainboard LED of wall-mounted type indoor unit (LengJingwang)
Trouble name
Tube-
inlet
sensor
error
Tube-
middle
sensor
error
Tube-
exit
sensor
error
Room
sensor
error
Defrost Antifreeze
Mode
Communication
error
Outdoor
unit
failure
Electrical
source LED
Operation LED
Timing LED
Error display of mainboard LED of wall-mounted type indoor unit (FengYun and FengXia)
Error
Tube-inlet
sensor error
Tube-
middle
sensor
error
Tube-exit
sensor
error
Room
sensor
error
Defrost Antifreeze
Mode
Communication
error
Outdoor
unit
failure
Test lamp Blink (1) Bright Dark Blink Blink (2) Blink
Timer Lamp Blink Blink Blink Bright blink Dark
To Next Page
Loading...
Need help?
General
