Haier HB21FWRSS Service Manual - page 24
1. Introduction of Sensor Parts
The name and position of sensor
2.Malfunction Codes Problems
It won’t display malfunction codes when the machine is in malfunction. Press freezer
temperature control button (>) and fridge temperature control button () these three button
simultaneously for 3 seconds, malfunction codes will displayed on cabinet display panel, then
press these three button a new 3 seconds, machine come back to natural display. Machine will
exit automatically if no manual operation.
Malfunction Codes Table
NO
Item
Malfunction Code
Meanings of Code
1 Normal
Display
Setting
Temperature
No
2
Freezer sensor malfunction
F2
F SNR short circuit or open
circuit
3
Environment Temperature
Sensor malfunction
F3
RT SNR short circuit or open
circuit
4 Refrigerator
sensor
malfunction
F1
R1 SNR short circuit or open
circuit
5
Defrost sensor malfunction
F5
D SNR short circuit or open
circuit
6
Icemaker sensor malfunction
F6
ICE SNR short circuit or open
circuit
7
Freezer sensor malfunction
E1
No single send out more than
30 seconds
8
Cooling fan motor malfunction
E2
No single send out more than
30 seconds
9
Defrost Heating System error
Ed
Defrost sensor temperature
can’t reach to 7 centigrade
after temperature rise more
than 2 hours
10
Icemaker system malfunction
Er
Can’t detect on/off single when
icemaker rotate
Name Marker
Position
Freezer sensor
F SNR
right side wall of freezer room
Refrigerator sensor
R SNR
right side wall of fridge room
Environment temperature
sensor
RT SNR
bottom of freezer hinge box
Icemaker sensor
ICE SNR bottom of ice maker
Defrost sensor
D SNR
top of freezer evaporator
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