SERVICE MANUAL
Model: HRF-663ISB2
21
Issue 2010-01
Rev.
Ref1001S015V0
2.8 Fault diagnostics
2.8.1 Description and display
2.8.2 Addition information in fault mode
(1) TEST key is activated and others are canceled in fault mode.
(2) The fault types of refrigerator or freezer are indicated in corresponding display area in fault mode.
(3)Indication returns to normal after being checked to be normal in fault mode.
Indication
No. Item
F SET R SET
Description Remark
1Normal
Normal setting indication of preset
temperature
None Keys are in normal
2
F (LD)SNR is
defective
Freezer
setting
1glitters
Normal
F SNR Short
circuit or broken
circuit
3
RT SNR is
defective
Normal
Refrigerator
setting 1 glitters
RT SNR Short
circuit or broken
circuit
4
R1 SNR is
defective
Normal Refrigerator
setting 2 glitters
R1 SNR Short
circuit or broken
circuit
5
R2 SNR is
defective
Normal Refrigerator
setting 3 glitters
R2 SNR Short
circuit or broken
circuit
6
D(HS) SNR is
defective
Freezer
setting 2
glitters
Normal D SNR Short
circuit or broken
circuit
7
ICE SNR is
defective
Freezer
setting 3
glitters
Normal
ICE SNR Short
circuit or broken
circuit
Check the
connection of each
sensor
8
Defective
communication
Freezer
setting 4
glitters
Normal
No responding for
keys
Cable, drive IC, TR
are defective
(canceled
temporarily)
9 Defrosting fault
normal Refrigerator
setting 4 glitters
Do not reach 12°C
within 2 hours
TR is defective
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