SERVICE MANUAL
Model:HRF-660S
19
Issue 201001
Rev.
Ref1001S008V0
(8) After defrosting, if the compressor operates 4 hours continuously, the defrosting will begin again.
(9)Fast freeze display is powered on in fast freeze state during defrosting while automatic defrosting goes
on. At the end of automatic defrosting, fast freeze will begin again. The remaining time of defrosting is
included in fast freeze time.
(10) After defrosting, the compressor and fan stops 7 minutes, if F SNR is higher than shutdown point,
the compress starts up 5 minutes, after that, the fan operates. The air damper will be opened or closed
according to temperature after the fan has operated for 3 minutes.
2.5.2 Forced defrosting
(1)Press TEST key twice on main control panel to start forced defrosting.
(2)With the door closed, the heating element is forced open, the defrosting will stops after 4 minutes or
defrosting SNR reaches 7°C. The temperature settings of freezer and refrigerator compartment return to
the state before forced defrosting. If F SNR is higher than the shutdown point 7 minutes after the
compressor and fan are off, the compressor will operate for 5 minutes and then the freezer fan will operate
for 3 minutes. The air damper will be opened or closed accordingly.
2.6 Door-open alarm
(1)If the door of freezer or refrigerator compartment stays open for 60 seconds, an alarm will be given.
(2)The buzzer gives alarm 3 times every 0.5 second. If any switch is powered on, the buzzer gives 3
alarms at an interval of 0.5 seconds every 30 seconds until the two switches are disconnected. The
buzzer gives a sound of “ding dong” when alarming.
(3) Alarm stops after the door is closed
