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SiUS342303E
Error code
E7 - 01
Fan motor M1F lock (Master)
E7 - 02
Fan motor M2F lock (Master)
E7 - 05
Fan motor M1F momentary overcurrent (Master)
E7 - 06
Fan motor M2F momentary overcurrent (Master)
E7 - 09
Fan motor M1F IPM error (Master)
E7 - 10
Fan motor M2F IPM error (Master)
E7 - 13
Fan motor M1F lock (Sub)
E7 - 14
Fan motor M2F lock (Sub)
E7 - 17
Fan motor M1F momentary overcurrent (Sub)
E7 - 18
Fan motor M2F momentary overcurrent (Sub)
E7 - 21
Fan motor M1F IPM error (Sub)
E7 - 22
Fan motor M2F IPM error (Sub)
E9 - 01
Electronic expansion valve coil (Y1E) error (Master)
E9 - 03
Electronic expansion valve coil (Y2E) error (Master)
E9 - 04
Electronic expansion valve coil (Y3E) error (Master)
E9 - 05
Electronic expansion valve coil (Y1E) error (Sub)
E9 - 06
Electronic expansion valve coil (Y2E) error (Sub)
E9 - 07
Electronic expansion valve coil (Y3E) error (Sub)
E9 - 11
Electronic expansion valve coil (Y6E) error (Master)
E9 - 12
Electronic expansion valve coil (Y6E) error (Sub)
E9 - 20
Defective electronic expansion valve coil (Y1E) (Master)
E9 - 21
Defective electronic expansion valve coil (Y1E) (Sub)
E9 - 23
Defective electronic expansion valve coil (Y3E) (Master)
E9 - 24
Defective electronic expansion valve coil (Y3E) (Sub)
E9 - 26
Electronic expansion valve coil (Y4E) error (Master)
E9 - 27
Electronic expansion valve coil (Y4E) error (Sub)
E9 - 29
Electronic expansion valve coil (Y5E) error (Master)
E9 - 33
Defective electronic expansion valve coil (Y5E) (Master)
E9 - 34
Electronic expansion valve coil (Y5E) error (Sub)
E9 - 38
Defective electronic expansion valve coil (Y5E) (Sub)
E9 - 44
Defective electronic expansion valve coil (Y2E) (Master)
E9 - 45
Defective electronic expansion valve coil (Y2E) (Sub)
E9 - 57
Sub PCB momentary overcurrent (Master)
E9 - 58
Sub PCB momentary overcurrent (Sub)
F3 - 01
Discharge pipe M1C high temperature error (Master)
F3 - 03
Discharge pipe M1C high temperature error (Sub)
F3 - 11
Discharge pipe M2C high temperature error (Master)
F3 - 13
Discharge pipe M2C high temperature error (Sub)
F3 - 20
Compressor M1C overheat error (Master)
F3 - 21
Compressor M1C overheat error (Sub)
F3 - 25
Compressor M2C overheat error (Master)
F3 - 26
Compressor M2C overheat error (Sub)
F4 - 02
Wet alarm for compressor M1C (Master)
F4 - 03
Wet alarm for compressor M2C (Master)
F4 - 04
Wet alarm for compressor M1C (Sub)
F4 - 05
Wet alarm for compressor M2C (Sub)
F4 - 08
Wet error for compressor M1C (Master)
F4 - 09
Wet error for compressor M2C (Master)
F4 - 10
Wet error for compressor M1C (Sub)
F4 - 11
Wet error for compressor M2C (Sub)
F4 - 14
Indoor unit failure alarm
Part 6 Service Diagnosis
Error Description
Troubleshooting
Make a diagnosis of the fan motor of the relevant unit
based on the following.
Fan motor lock: 01, 02, 13, 14
Momentary overcurrent: 05, 06, 17, 18
IPM error: 09, 10, 21, 22
Refer to the E9 flowchart and make a diagnosis of the
relevant electronic expansion valve of the relevant unit
based on the Error code shown to the left.
Refer to the F3 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Refer to the F4 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
Troubleshooting by Error Code
Diagnosis
238
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Table of Contents
Troubleshooting
