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Troubleshooting
Si01-406
86
Service Diagnosis
4.
Troubleshooting
4.1
Error Codes
★
: Displayed only when system-down occurs.
Code
Description
Reference
Page
System
00
Normal
—
U0
★
Insufficient gas
113
U4
Signal transmission error (between indoor and outdoor units)
95
Indoor
Unit
A1
Indoor unit PCB abnormality
87
A5
Freeze-up protection control or high pressure control
88
A6
Fan motor or related abnormality
AC motor
90
DC motor
91
C4
Heat exchanger thermistor abnormality
93
C9
Room temperature thermistor abnormality
93
∗
Indoor unit PCB abnormality
94
Outdoor
Unit
E5
★
OL activation (compressor overload)
96
E6
★
Compressor lock
97
E8
Input over current detection
98
EA
Four way valve abnormality
99
F6
High pressure control in cooling
101
H8
CT or related abnormality
103
H9
Outdoor air thermistor or related abnormality
105
J6
Heat exchanger thermistor or related abnormality
105
L3
Electrical box temperature rise
107
L4
Radiation fin temperature rise
109
L5
Output over current detection
111
P4
Radiation fin thermistor or related abnormality
105
Содержание FT25CV1A
Страница 7: ...Si01 406 vi Table of Contents...
Страница 15: ...Functions Si01 406 4 List of Function...
Страница 21: ...Specifications Si01 406 10 Specifications...
Страница 31: ...Printed Circuit Board Connector Wiring Diagram Si01 406 20 Printed Circuit Board Connector Wiring Diagram...
Страница 189: ...R50 60CV1A Si01 406 178 Removal Procedure 6 Remove the screw 7 Take off the electrical parts box Step Procedure Points...
Страница 205: ...Wiring Diagrams Si01 406 194 Appendix...
Страница 209: ...Si01 406 iv Index...