Gree GWH12TB-D3DNA1A - Page 69

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21 High pressure protection for the
system
Malfunction
of
Hardware
E1 Blinks
once
22 Low pressure protection for the
system (reserved)
E3 Blinks for
3 times
23 Lock of compressor (for com-
mercial air conditioner)
LE
24 Reset of drive module (for com-
mercial air conditioner)
P0
25 Overspeed (for commercial air
conditioner)
LF
26 Malfunction of PF
27 AC contactor protection (for
commercial air conditioner)
P9
28 Temperature dri protection (for
commercial air conditioner)
PE
29 Sensor connection protection
(for commercial air conditioner)
Pd
30 Communication malfunction for
drive board (for commercial air
conditioner)
P6 Blinks for
16 times
31  ermal overload protection for
compressor
H3 Blinks for
3 times
Blinks for
8 times
32 Non-match between indoor and
outdoor units
LP Blinks for
16 times
33 Malfunction of memory chip EE Blinks for
15 times
34 Wrong connection of commu-
nication wire or malfunction of
expansion valve (free match)
dn
35 Malfunction of current detection
for the complete unit
U5 Blinks for
13 times
36 Wrong connection of communi-
cation wire or status of detecting
malfunction of expansion valve
(free match)
dd
37 Mode con ict Fo Blinks
once
Blinks
once
38 Refrigerant reclaiming mode
39 Oil return under defrosting or
heating
H1 Blinks
once
Blinks
twice
40 Nominal cooling or heating (ca-
pacity test code)
P1
41 Max. cooling or heating (capacity
test code)
P2
42 Middle cooling or heating (ca-
pacity test code)
P3
43 Min. Cooling or heating (capaci-
ty test code)
P0
Fault and Status Display Table 9,000/12,000 Systems