Air Conditioner Service Manual
some reason, when power supply come back again, the AUTO-RESTART function will set
synchronously and automatically to work. So the air conditioner would work at the same mode
before.
Auto-restart Pre-setting (optional):
If Auto-restart function is needed, follow the steps below to activate this function:
1)
Pulling the air-con's plug out of socket.
2) Pressing and holding the Emergency button (ON/OFF) on the indo
or, th
en insert the plug
into the socket again.
3) Keep pressing the Emergency button for more than 10 seconds until three short beeps are
heard. The Auto-rest
art function has been started.
9. Protection and Failure Display
z
When protection display is available, controller will show error code, digit
al LED shows
error code and setting temperature by turns.
z If there is more than one failure, it will show at first that in front
of the error list.
z Protection display function can be selected in hardw
are, and the default don’t display;
z To insure of in and out communist is credibility,
the failures relate to outdoor unit will
remain failure state for 2 minutes max after recovered.
z In all failures, only sensor failures don’t have to repo
wer to cancel.
z Error list
Failure type LED CODE
DI
GITAL
LED CODE
In and out communication failure RUN、TIMER –both winking E0
Outdoor communication failure RUN、TIMER –both winking EC
Outdoor sensor RUN-1 time/8s E1
Indoor coil temperature sensor RUN-2 times /8s E2
Outdoor coil temperature sensor RUN-3 times /8s E3
System abnormity RUN-4 times /8s
E4
Type mismatch RUN-5 times /8s
E5
Indoor fan motor RUN-6 times /8s E6
Outdoor temperature sensor RUN-7 times /8s E7
Discharge temperature sensor RUN-8 times /8s E8
Invert module abnormity RUN-9 times /8s E9
Outdoor fan motor（DC） RUN-10 times /8s EF
Current sensor RUN－11 times /8s
EA
EEPROM failure RUN-12 times /8s
EE
Top of compressor temperature switch RUN-13 times /8s
EP
Voltage sensor RUN-14 times /8s
EU
8
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