Troubleshooting Guide

Table Of Contents
For some models
Operation
Lamp
Timer
Lamp
LED
Display
Error Information Solution
1 time
OFF
EH 00/
EH
0A
Indoor unit EEPROM parameter error TS19
2 times
OFF
EL 01
EL
02
EL
03
Ec
51
Ec
52
Ec
53
Ec
54
Ec
56
Eh
60
Eh
61
Ec
07
El
0c
PC
00
PC
01
PC
02
PC
04
PC
08
PC
03
Eh
0b
Indoor / outdoor unit communication error TS20
3 times
OFF
Zero-crossing signal detection error(for some models) TS22
4 times
OFF
The indoor fan speed is operating outside of the normal range TS23
5 times
OFF
Outdoor unit EEPROM parameter error(for some models) TS19
5 times
OFF
Condenser coil temperature sensor T3 is in open circuit or has
short circuited
TS26
5 times
OFF
Outdoor room temperature sensor T4 is in open circuit or has short
circuited
TS26
5 times
OFF
Compressor discharge temperature sensor TP is in open circuit
or has short circuited
TS26
5 times OFF
Evaporator coil outlet temperature sensor T2B is in open circuit
or has short circuited(for free-match indoor units)
TS26
6 times
OFF
Indoor room temperature sensor T1 is in open circuit or has short
circuited
TS26
6 times
OFF
Evaporator coil temperature sensor T2 is in open circuit or has
short circuited
TS26
12 times
OFF
The outdoor fan speed is operating outside of the normal range
(for some models)
TS23
9 times
OFF
Indoor PCB / Display board communication error (for some models) TS27
8 times
OFF
Refrigerant leak detected TS28
7 times
FLASH
IPM malfunction or IGBT over-strong current protection TS30
2 times
FLASH
Over voltage or over low voltage protection TS31
3 times
FLASH
High temperature protection of IPM module or High pressure
protection
TS32
5 times
FLASH
Inverter compressor drive error TS34
1 time
FLASH
Current overload protection(for some models) TS29
7 times
FLASH
High pressure protection or low pressure protection
(for some models)
TS35
1 times ON
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Indoor units mode conflict (match with multi outdoor unit)
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Troubleshooting 5