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SiBE04-302
Troubleshooting
Service Diagnosis
91
4.
Troubleshooting
4.1
Error Codes and Description
★
: Displayed only when system-down occurs.
Code Indication Description
Reference
Page
System
00
Normal
—
U0
★
Insufficient gas
115
U2
Over-voltage detection
117
U4
Signal transmission error (between indoor and outdoor units)
97
Indoor
Unit
A1
Indoor unit PCB abnormality
92
A5
Freeze-up protection control or high pressure control
93
A6
Fan motor or related abnormality
95
C4
Heat exchanger temperature thermistor abnormality
96
C9
Room temperature thermistor abnormality
96
Outdoor
Unit
E5
★
OL activation (compressor overload)
98
E6
★
Compressor lock
99
E8
Input over current detection
100
EA
Four way valve abnormality
101
F3
Discharge pipe temperature control
103
F6
High pressure control in cooling
118
H6
Position sensor abnormality
104
H8
CT or related abnormality
105
H9
Outdoor air thermistor or related abnormality
107
J3
Discharge pipe temperature thermistor or related abnormality
107
J6
Heat exchanger temperature thermistor or related abnormality
107
L3
Electrical box temperature rise
109
L4
Radiation fin temperature rise
111
L5
Output over current detection
113
P4
Heat radiation fin thermistor or related abnormality
107
Summary of Contents for ARK25BVMB
Page 17: ...Functions SiBE04 302 8 List of Function ...
Page 31: ...Specifications SiBE04 302 22 Specifications ...
Page 137: ...Check SiBE04 302 128 Service Diagnosis ...
Page 172: ...SiBE04 302 Outdoor Unit Removal Procedure 163 4 Remove the fan motor Step Procedure Points ...
Page 184: ...SiBE04 302 Others 175 Part 8 Others 1 Others 176 1 1 Explanation 176 1 2 Jumper Settings 177 ...
Page 195: ...Wiring Diagrams SiBE04 302 186 Appendix ...
Page 199: ...SiBE04 302 iv Index ...