Gree GWH09KF-A3DNB1A, Установка, обслуживание и устранение неисправностей

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77
Fault Displays
18,000 and 24,000 btuh units
Malfunction
Name
Indoor Unit Displaying Method Outdoor Unit Display (LED)
A/C Status Malfunctions
Dual-8
Code
Display
Indicator Display (during
blinking, ON 0.5s and OFF 0.5s
Indicator has 3 kinds of display
status and during blinking, ON 0.5s
and OFF 0.5s
Running
LED
Cooling
LED
Heating
LED
D40/
D5
D41/
D6
D42/
D16
D43/
D30
Voltage of DC
bus-bar is too
low
PL
OFF
3s and
blink 21
times
o n n o
During cooling
and drying
operation,
compressor will
stop while indoor
fan will operate;
During heating
operation, the
complete unit will
stop 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
Limit/decrease
frequency due to
high temperature
of module
EU
n n n ¶
All loads operate
normally, while
operation
frequency for
compressor is
decreased Discharging after
the complete unit
is de-energized
for 20 mins, check
whether the thermal
grease on IPM
Module of outdoor
control panel AP1
is sufficient and
whether the radiator
is inserted tightly.
If its no use, please
replace control
panel AP1
The four-way
valve is abnormal
U7
n o ¶ o
If this malfunction
occurs during
heating operation,
the complete unit
will drop operation 1. Supply voltage is
lower than AC175V;
2. Wiring terminal
4V is loosened or
broken; 3. 4V is
damaged, please
replace 4V
o
= OFF
n
= Illuminated
¶
= Blink