5
MALFUNCTION CODE OF OUTDOOR UNIT
5
owner's manual
Table 5-1
1. When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
2. When operation, LED displaying frequency value of compressor.
3. When defrost, LED displaying “dF”.
4. The power cord type designation is H07RN-F.
No.
Failure or Protection Type
Fault Code
1
2
3
4
5
6
7
3 times of P6 protection in 30 minutes
The number of indoor units decreases
Reserved
T3 & T4 temperature sensor fault
H0
H4
H5
H7
H8
E4
3 times of P2 protection in 30 minutes
8
Voltage protection fault or a lack of Phase B , Phase N
E5
9
10
11
DC fan motor fault
Discharge temperature sensor fault
E6
EA
E7
2 times of E6 protection in 10 minutes
EB
P0
HF
E2
12
13
14
15
16
17
18
19
20
21
22
Low pressure protection
Outdoor input current protection
COMM.Fault between DSP and chip
COMM.Fault between communication chip and main chip
P1
P2
P3
Compressor discharge high protection
Outdoor condenser high temperature protection
Evaporator high temperature protection
Inverter module protection
P4
P5
P6
23
24
Typhoon protection
Recovery Mode
Recoverable
Recoverable
Irrecoverable
Irrecoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Irrecoverable
Recoverable
Recoverable
Irrecoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
Recoverable
P8
H1
E1
PE
A fan in the A region run for more than 5 minutes in heat mode
Inverter compressure top high temperature protection
High pressure protection or exhaust temperature switch
protection
M-HOME for the indoor and outdoor units does not match
Reserved
Display Function Instruction
Communication fault between the outdoor and indoor units
