02-02
When "EE" in Temperature Display is displayed, inspection of the air conditioning system is necessary.
Please consult authoilzed servise personnel.
Error code Error contents
Trouble
shooting
Communication error (Serial reverse transfer error)
Room temperature thermistor error
Indoor heat exchanger temperature thermistor error
Outdoor heat exchanger temperature thermistor (outlet) error
Outdoor temperature thermistor error
Outdoor discharge pipe temperature thermistor error
Discharge temperature error
Indoor fan motor abnormal
Outdoor unit fan motor error
Outdoor communication signal error (Forward transfer signal error)
2-1-2 WIRED REMOTE CONTROLLER DISPLAY (OPTION)
Communication error (indoor unit remote control)
PFC circuit error
Circulation refrigerant error
IPM error
CT error
Compressor rotor location cannot detect (permanent stop)
1. SELF - DIAGNOSIS
1
2
5
6
7
15
8
9
10
11
12
13, 16
14
17
25
24
23
Indoor manual auto switch error
Exessive high pressure protection on cooling
3
4
SU MOTU WETH FR SA
Unit number (usually 0)
Error code
ex. Self-diagnosis check
21
If “CO” appears in the unit number display, there is a remote controller error.
Refer to the installation instruction sheet included with the remote controller.
4-way valve error
18
2-way valve temperature thermistor error
19
3-way valve temperature thermistor error
20
22
Connected indoor unit error
Heat sink temperature thermistor error
Indoor EEPROM abnormal
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