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5-4. Self-testing function
About self-test function：
(1) With se lf-test function, the appliance can quickly check the
working condition of fan, compressor and defrost heater.
(2) How to enter and quit: press the test butt on on the main
control boar d once, and enter the forced starting mode, and a
second time press to enter forced defrosting mode.
MODE OPERATION WORKING CONDITION REMARKS
(1) compressor forced start.
(2) freezing fan work at high speed
(3) refrigerating fan work
(4) heater shut down
TEST1
Press test button
once to enter
Forced Start mode.
(5) air escaper opens
Press test button
two times to quit this
mode.
(1) compressor shut down
(2) no fan works
(3) Defrost heater works
TEST2
Under test 1 and
press test button
again to enter
Forced Defrost
mode.
(4) air escaper closes
Press test button
one time to quit this
mode.
Resume
normal
mode
Press test button for
a third time.
Resume to normal mode and the compressor will start in 7
minutes.
TEST button
SERVICE MANUAL
Model: HRF-660W/U
Issue 2010-09-30
Rev. Ref1009S031V1
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