Demo Mode - Haier HRF-521DS6 Service Manual

SERVICE MANUAL
Model: HRF-521DS6
Fault code is not displayed directly; after repair personnel operate the compound key, the fault code
can display.
Notes： in the eight section character display mode, A、 B、 C、 D、 E、 F、 R、 T、 H display respectively
according to the following type:
8-3.Self-testing function
(1).Force start: Under locked mode, Press and hold "Refrigerator"button and click "Power Freeze" button for
five times within 3 sec. then press "unlock" button,and the REF and FRZ display icon will display (T1,T1)
(2).Forced defrost :Keep the current state ,and press"unlock" button ,T2 will be present, then enter forced
defrost mode.
(3).Quit:
Keep the current state, press "unlock" button ,then will be present T3→T4→back to normal display
control,and escape from test mode.
MODE WORKING CONDITION
1)R and F display areas：T1、T1；
2)Compressor start work；
3)Freezer FAN work with high votage；
Force start
Cooling FAN work with high votage；
4)defrost heater off；
5)REF air damper open；
1)R and F display areas：T2、T2；
2)Enter defrost mode：
compressor OFF
Freezer /Cooloing FAN OFF
Forced
Defrost heater work，
defrost
if the D-SNR ≥ 7℃，D HTR work 10 sec and then quit test 2 mode;
if the D-SNR＜7℃，D HTR will keep working until the D-SNR ≥ 7℃, and then quit test 2 mode;
3）REF air damper keep close
Keep the current state, press "Set" ,then will be present T3→T4→back
Quit
to normal display control,and escape from test mode.

8-4.Demo mode

(1) Under the LOCK state;
(2) Press and hold the " Refrigerating temperature adjustment button"
(3) Press the" quick- cooling adjustment button" 5 times(interval 0.5~0.8 seconds).
Issue 2016-09-07
Ref 1609S025V0
.
REF.
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