7. TROUBLESHOOTING
07-01
7-1 ERROR DISPLAY
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 sensor error
Indoor heat exchanger temperature sensor error
Outdoor heat exchanger temperature sensor(outlet) error
Outdoor heat exchanger temperature sensor(middle) error
Water drain abnormal
Outdoor temperature sensor error
Outdoor discharge pipe temperature sensor error
Discharge temperature error
Indoor fan motor abnormal
Outdoor unit fan motor error
Outdoor communication signal error (Forward transfer signal error)
7-1-1 WIRED REMOTE CONTROLLER DISPLAY
Pressure switch error
Active filter module (AFM) error
CT error
Communication error (indoor unit remote control)
Communication error (Main PCB Display PCB)
Communication error (Main PCB Display PCB)
IPM error
Compressor rotor location cannot detect (permanent stop)
Compressor temperature sensor error
Compressor temperature error
4-way valve error
1. SELF - DIAGNOSIS
1
2
5
*(6)
7
8
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Outdoor unit computer communication error
Indoor manual auto switch error
Exessive high pressure protection on cooling
PFC circuit error
3
4
SU
MO
TU
WE
TH FR
SA
Unit number (usually 0)
Error code
ex. Self-diagnosis check
Indoor EEPROM abnormal (Model No.)
9
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.
Trouble shooting No.6 have no application in this model.
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