Page 32 of 37
8.4 Failure Analysis Process:
Fault self-test code:
3
Evaporator freezing
Evaporator freezing?
yes
no
Evaporation
temperature sensor
fault
Compressor stop?
Turn off the power and open
air-conditioners after
defrosting on the evaporato
r
no
Continue to freeze?
yes
Turn off power, and open air-
conditioners after replacing
the outdoor control board
Air-conditioner is
normal?
Indoor control board fault and
replace it
no
yes
Normal protection
action
no
Unexpected
phenomenon
yes
Outdoor control board
fault
Fault self-test code:
4
Evaporation overload
evaporator with high-
temperature?
yes
no
Evaporation
temperature sensor
fault
Compressor stop?
Turn off the power and open
air-conditioners after 10
minutes
no
Air-conditioner is
normal?
no
Turn off power, and open air-
conditioners after replacing
the outdoor control board
Air-conditioner is
normal?
Indoor control board fault and
replace it
no
yes
Normal protection
action
yes
Unexpected
phenomenon
yes
Outdoor control board
fault
Summary of Contents for 88FZBpC
Page 1: ...KFR 72LW 88FZBpC Maintenance manual Hisense Kelon Air Conditionning Co Ltd...
Page 4: ...Page 3 of 36 OUTLINES 2 1 INDOOR 2 2 OUTDOOR 2 3 REMOTE...
Page 14: ...Page 13 of 36 ELECTRICAL DATA 7 1 Electric Wiring Diagrams 7 1 1 Indoor 7...
Page 15: ...Page 14 of 36 7 1 2 Outdoor...
Page 16: ...Page 15 of 36 7 2 Refrigerant Flow Diagram 7 3 System pressure diagram...
Page 17: ...Page 16 of 36...
Page 18: ...Page 17 of 36 7 4 Air conditioning Appearance Dimension Drawing 1 Indoor...
Page 19: ...Page 18 of 36 2 Outdoor...