Gree GWH18RC-K3DNA2C, Руководство по обслуживанию

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43
Installation and Maintenance
Service Manual
17 Defrosting
O N 1 0 s
and OFF
0.5s
Defrosting will occur in
heating
mode. Compressor will
operate
while indoor fan will stop
operation. Its the normal state
18
Overload
protection for
compressor
H3
OFF 3S
and blink
3 times
ƶ ƿ ƿ ƶ
During cooling and drying
operation, compressor will
stop
while indoor fan will operate;
During heating operation,
the
complete unit will stop
operation. 1. Wiring terminal OVC-COMP
is loosened. In normal state,
the resistance for this terminal
should
be less than 1ohm.
2.Refer to the malfunction
analysis ( discharge protection,
overload)
19 IPM protection H5
OFF 3S
and blink
5 times
ƶ ƿ ƶ Ƶ
During cooling and drying
operation, compressor will
stop
while indoor fan will operate;
During heating operation,
the
complete unit will stop
operation. Refer to the malfunction
analysis (IPM protection, loss
of synchronism protection and
overcurrent protection of phase
current for compressor.
20
PFC
protection
HC
OFF 3S
and blink
6 times
ƶ Ƶ ƿ ƿ
During cooling and drying
operation, compressor will
stop
while indoor fan will operate;
During heating operation,
the
complete unit will stop
operation. R e f e r t o t h e m a l f u n c t i o n
analysis
21
Failure start-
up
LC
OFF 3S
and blink
11 times
ƶ ƿ ƶ ƿ
During cooling and drying
operation, compressor will
stop
while indoor fan will operate;
During heating operation,
the
complete unit will stop
operation. R e f e r t o t h e m a l f u n c t i o n
analysis
22
Malfunction of
phase current
detection
circuit for
compressor
U1
OFF 3S
and blink
13 times
ƶ ƿ Ƶ ƶ
During cooling and drying
operation, compressor will
stop
while indoor fan will operate;
During heating operation,
the
complete unit will stop Replace outdoor control panel
AP1