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When the indoor unit encounters a recognized error on di
ffe
rent models ,
1. the running LED with flash in a cor
responding series, the timer LED may tur
n on or begin flashing;
2. an err
or code will be displayed;
3. both 1 and 2.
These error codes are described in the following tables:
Running
Lamp
Timer
Lamp
Display
Information
Solution
--
--
F
Defrost
Normal
Display, not
error code
--
--
CL
Filter cleaning r
eminder(power on display for 15 seconds)
--
--
CL
Active clean
--
--
F
Filter replacement r
eminder(power on display for 15 seconds)
--
--
FP
Heating in room temperature under 8°C
--
--
FC
Forced cooling
--
--
AP
AP mode of WIFI connection
--
--
CP
Remote switched o
ff
1 time
OFF
EH 00/EH 0A
Indoor unit EEPROM parameter error
TS01-IDU
2 times OFF
EL 01
Indoor/outdoor unit communication error
TS02-S-INV
3 times OFF
EH 02
Zero-crossing signal detection error
TS03
4 times OFF
EH 03
The indoor fan speed is operating outside of the normal range
TS04-S-IDU
5 times
OFF
EC 51
Outdoor unit EEPROM parameter error
TS01-ODU
5 times
OFF
EC 52
Condenser coil temperature sensor T3 is in open circuit or has
short circuited
TS05-ODU
5 times
OFF
EC 53
Outdoor room temperature sensor T4 is in open circuit or has
short circuited
TS05-ODU
5 times
OFF
EC 54
Compressor discharge temperature sensor TP is in open circuit
or has short circuited
TS05-ODU
5 times
OFF
EC 56
Evaporator coil outlet temperatur
e sensor T2B is in open ci
rcuit
or has short circuited(for free-match indoor units)
TS05-ODU
6 times OFF
EH 60
Indoor room temperature sensor T1 is in open circuit or has
short circuited
TS05-IDU
6 times OFF
EH 61
Evaporator coil middle temperature sensor T2 is in open circuit
or has short circuited
TS05-IDU
12 times OFF
EC 07
The outdoor fan speed is operating outside of the normal range
TS04-ODU
9 times OFF
EH 0
Indoor PCB/Display boa
rd communication error
TS07
8 times OFF
EL 0C
Refrigerant leakage detection
TS06-INV
7 times
FLASH
PC 00
IPM malfunction or IGBT ove
r-strong current protection
TS09-S
2 times
FLASH
PC 01
Over voltage or over low voltage protection
TS10-S
3 times
FLASH
PC 02
Top temperature protection of compressor or High temperature
protection of IPM module or High pressure protection
TS11-S-INV
5 times FLASH
PC 04
Inverter compressor drive error
TS12-S
1 time
FLASH
PC 08
Current overload protection
TS08-S
6 times
FLASH
PC 40
Communication error between outdoor main chip and
driven chip
TS33
7 times
FLASH
PC 03
Low pressure protection
TS13-INV
1 times
ON
--
Indoor units mode conflict(match with multi outdoor unit)
TS14
For other errors:
The display boar
d may show a garbled code or a code undefined by the service manual.
Ensure that this code is not a temperature reading.
Troubleshooting:
Test the unit using the remote control. If the unit does not respond to the remote, the indoor
PCB
r
equi
res r
eplacement. If the unit responds, the display board requires replacement.
Error Codes
