SERVICE MANUAL
Model: HRF-663
I
SB2
20
Issue
2010-01
Rev.
Ref1001S015V0
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
2.7 Functional tests
2.7.1 Additional information of TEST functions
(1) Continuous operation in TEST 1 MODE.
(2)TEST2 should be activated 0.1 second later from TEST1 to TEST2.
(3)The keys on display panel are inactivated in TEST1 or TEST2 MODE.
(4)It is useless to press TEST key before powered on.
(5)TEST cannot be used in fault mode. If there is fault detected in TEST, it can be displayed after the reset
of control panel.
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MODE
Action
Description
Remark
