Gree TERRA09HP230V1A Installation, Service & Troubleshooting page 68

Fault and Status Display Table 9,000/12,000 Systems
21 High pressure protection for the
system
22 Low pressure protection for the
system (reserved)
23 Lock of compressor (for com-
mercial air conditioner)
24 Reset of drive module (for com-
mercial air conditioner)
25 Overspeed (for commercial air
conditioner)
26 Malfunction of
27 AC contactor protection (for
commercial air conditioner)
28 Temperature drift protection (for
commercial air conditioner)
29 Sensor connection protection
(for commercial air conditioner)
30 Communication malfunction for
drive board (for commercial air
conditioner)
31 Thermal overload protection for
compressor
32 Non-match between indoor and
outdoor units
33 Malfunction of memory chip
34 Wrong connection of commu-
nication wire or malfunction of
expansion valve (free match)
35 Malfunction of current detection
for the complete unit
36 Wrong connection of communi-
cation wire or status of detecting
malfunction of expansion valve
(free match)
37 Mode conflict
38 Refrigerant reclaiming mode
39 Oil return under defrosting or
heating
40 Nominal cooling or heating (ca-
pacity test code)
41 Max. cooling or heating (capacity
test code)
42 Middle cooling or heating (ca-
pacity test code)
43 Min. Cooling or heating (capaci-
ty test code)
68
E1 Blinks
once
E3 Blinks for
3 times
LE
P0
LF
PF
P9
PE
Pd
P6 Blinks for
16 times
H3
Malfunction LP
of
Hardware
EE
dn
U5
dd
Fo Blinks
once
H1
P1
P2
P3
P0
Blinks for Blinks for
3 times 8 times
Blinks for
16 times
Blinks for
15 times
Blinks for
13 times
Blinks
once
Blinks Blinks
once twice