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TROUBLESHOOTING
Classification
Code
Error Description
Error
E0
The Indoor-outdoor communication goes wrong.
E1
The Room Temperature Sensor T1 goes wrong.
E2
The Internal Coil Temperature Sensor T2 goes wrong.
E3
The External Coil Temperature Sensor T3 goes wrong.
E4
The outdoor unit goes wrong.
E5
The model configuration processing (frequency conversion) goes
wrong.
E6
The indoor fan goes wrong and/or the communication between the
indoor DC fan and the indoor main control panel goes wrong.
E7
The Outdoor Temperature Sensor T4 goes wrong.
E8
The exhaust temperature sensor (TP1 of
variable-frequency compressor) goes wrong.
E9
The variable-frequency module goes wrong.
EA
The current sensor goes wrong.
EH
The Return-air Temperature Sensor T5 goes wrong.
EC
The outdoor communication goes wrong.
EL
The outdoor low-temperature protection goes wrong.
EE
The EEPROM goes wrong (The E2 of the outdoor unit goes wrong).
EF
The outdoor fan goes wrong.
The wire controller communication goes wrong.
EP
The temperature switch at the top of compressor goes wrong.
EU
The voltage sensor goes wrong.
Eb
The communication between the main control panel and the display
panel goes wrong.
Ed
The EEPROM of main control panel goes wrong (The E2 of the
indoor unit goes wrong)
En
The indoor coil outlet temperature sensor goes wrong.
b1
The ambient temperature sensor goes wrong.
b2
The inlet pipe temperature sensor goes wrong.
b3
The middle temperature sensor goes wrong.
b4
The outlet pipe temperature sensor goes wrong.
b5
The humidity sensor goes wrong.
b6
The water temperature sensor goes wrong.
b7
The indoor EEPROM goes wrong.
b8
The swing motor goes wrong.
b9
The MAC address of the indoor unit is abnormal.
bA
The model dial is wrong.
H0
The outdoor unit goes wrong (including protection) in an all-round
way.
When there is an issue with the system, the “ERR” icon will be displayed, and
the temperature area flashes with the current error or protection code.
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