Hisense 88FZBpC, Maintenance Manual, Page: 35 / 37

Page 34 of 37
Fault self-test code 6
Indoor fan failure
Indoor fan is
running?
no
To confirm whether is the
motor shaft stuck and cross
flow fan running smoothly
yes
Indoor control board
fault and replace it
The fan motor socket of
indoor control board has
voltage output?
The primary resistor of indoor
fan is open-circuit and the
resistance is incorrect?
Set air-conditioner for
Air Blowing mode, and
open the air-conditioner
Turn off the
air-
conditioner, and the fan
stops?
no
yes
no
no
The fan fault and
replace it
yes
The fan fault and
replace it
yes
Fault self-test code11
Brightness sensor fault
The cable between control board
and display board is bad?
no
Indoor control board
fault and replace it
Display board
failure and replace it
Replacement of display
board is resolved?
no
yes
Reconnect or
replace the cable
yes
Fault self-test code
13
EEPROM
failure
Indoor control board
fault and replace it
Fault self-test code21
Outdoor temperature
sensor fault
The sensor resistance is
normal?
no
Sensor fault and
replace it
yes
Outdoor control board
fault and replace it
Fault self-test code22
Condensation
temperature sensor fault
The sensor resistance is
normal?
no
Sensor fault and
replace it
yes
Outdoor control board
fault and replace it