SERVICE MANUAL
Model:HRF-660S
20
Issue 201001
Rev.
Ref1001S008V0
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
