Gree GJC09AF-E6RNB3A Service Manual page 31

Service Manual
Malfunction
No. Dual-8
Name
Code
Display
Voltage for
22 DC bus-bar PH
is too high
Voltage of
23 DC bus-bar PL
is too low
Compressor
24 Min frequence P0
in test state
Installation and Maintenance
Display Method of Indoor Unit
Indicator Display (during
blinking, ON 0.5s and OFF
0.5s)
Operation Cool Heat
Indicator Indicator Indicator
OFF 3S
and blink
11 times
OFF 3S
and blink
21 times
(during
(during
blinking,
blinking,
ON
0.25s
0.25s
and OFF
and OFF
0.25s)
0.25s)
Display Method of Outdoor
Unit
Indicator has 3 kinds of
display status and during
blinking, ON 0.5s and OFF
0.5s
Yellow Red
Indicator Indicator
OFF 1S
and blink
13 times
OFF 1S
and blink
12 times
ON
A/C Status
Green
Indicator
During cooling and
drying operation,
compressor will stop
while indoor fan
will operate;During
heating operation, the
complete unit will stop
operation.
During cooling and
drying operation,
compressor will stop
while indoor fan
will operate;During
heating operation, the
complete unit will stop
Possible Causes
1. Measure the
voltage of position
L and N on wiring
board (XT), if the
voltage is higher than
265VAC, turn
on the unit after the
supply voltage
is increased to the
normal range.
2.If the AC input is
normal,measure the
voltage of electrolytic
capacitor C on
control panel (AP1),
if its normal, theres
malfunction
for the circuit, please
replace the control
panel (AP1)
1. Measure the
voltage of position
L and N on wiring
board (XT), if the
voltage is higher than
150VAC,turn on the
unit after the supply
voltage is increased
to the normal range.
2.If the AC input is
normal,measure the
voltage of electrolytic
capacitor C on
control panel (AP1),
if its normal, theres
malfunction for the
circuit, please replace
the control panel
(AP1)
Showing during
min. cooling or min.
heating test
29