Gree GWC09QB-K3DNB2B Service Manual page 43

No.
Name
Code
Display
Decrease
19
Limit/
decrease
20
antifreezing
Voltage for
21 PH
Voltage of
22 PL
is too low
Compressor
Min
23 P0
test state
Compressor
rated
24 P1
test state
Compressor
25 P2
test state
40
0.5s)
0.5s
Operation Cool Heating Yellow
Indicator Indicator Indicator Indicator
9 times
2 times
2 times
11 times
13 times
21 times
12 times
Unit
Red Green
Indicator Indicator
All loads operate normally,
and
twice
compressor is decreased
All loads operate normally,
and
compressor is decreased
4 times
operation, compressor will stop
and
operation.
operation, compressor will stop
and
Service Manual
speed is too low
capacitor C on control panel (AP1),
control panel (AP1)
range.
capacitor C on control panel (AP1),
control panel (AP1)
Installation and Maintenance