SiUS12-928_A
Code Indication on the Remote Controller
Service Diagnosis
100
4. Code Indication on the Remote Controller
4.1
Error Codes and Description of Fault
Error Codes
Description of Fault
System
00
Normal
U0
Refrigerant shortage
U2
Low-voltage detection or over-voltage detection
U4
Signal transmission error (between indoor and outdoor units)
U7
Signal transmission error (on outdoor unit PCB)
UA
Unspecified voltage (between indoor and outdoor units)
UH
Anti-icing function in other rooms
Indoor
Unit
A1
Indoor unit PCB abnormality
A5
Freeze-up protection control or heating peak-cut control
A6
Fan motor or related abnormality
C4
Indoor heat exchanger thermistor or related abnormality
C9
Room temperature thermistor or related abnormality
Outdoor
Unit
A5
Anti-icing function
E1
Outdoor unit PCB abnormality
E5
OL activation (compressor overload)
E6
Compressor lock
E7
DC fan lock
E8
Input overcurrent detection
EA
Four-way valve abnormality
F3
Discharge pipe temperature control
F6
High pressure control in cooling
H0
Compressor sensor system abnormality
H6
Position sensor abnormality
H8
CT or related abnormality
H9
Outdoor temperature thermistor or related abnormality
J3
Discharge pipe thermistor or related abnormality
J6
Outdoor heat exchanger thermistor or related abnormality
J8
Liquid pipe thermistor or related abnormality
J9
Gas pipe thermistor or related abnormality
L3
Electrical box temperature rise
L4
Radiation fin temperature rise
L5
Output overcurrent detection
P4
Radiation fin thermistor or related abnormality
Summary of Contents for SUPER MULTI NX G Series
Page 1: ...SiUS12 928_A Applied Models Inverter Multi Heat Pump G Series J Series...
Page 7: ...SiUS12 928_A Table of Contents vi...
Page 10: ...SiUS12 928_A 1 List of Functions Part 1 List of Functions 1 Functions 3...
Page 11: ...SiUS12 928_A List of Functions 2...
Page 17: ...SiUS12 928_A Specifications 8...
Page 23: ...SiUS12 928_A Specifications Specifications 14...
Page 25: ...SiUS12 928_A Printed Circuit Board Connector Wiring Diagram 16...
Page 37: ...SiUS12 928_A Function and Control 28...
Page 69: ...SiUS12 928_A Control Specification Function and Control 60...
Page 71: ...SiUS12 928_A Operation Manual 62...
Page 73: ...SiUS12 928_A Duct Free System Operation Manual 64 2 Duct Free System 2 1 Remote Controller...
Page 84: ...Duct Free System SiUS12 928_A 75 Operation Manual...
Page 85: ...SiUS12 928_A Duct Free System Operation Manual 76 2 8 TIMER Operation...
Page 86: ...Duct Free System SiUS12 928_A 77 Operation Manual...
Page 87: ...SiUS12 928_A Duct Free System Operation Manual 78 2 9 Note for Multi System...
Page 88: ...Duct Free System SiUS12 928_A 79 Operation Manual...
Page 97: ...SiUS12 928_A Slim Duct Built In System Operation Manual 88...
Page 99: ...SiUS12 928_A Service Diagnosis 90...
Page 169: ...SiUS12 928_A Removal Procedure 160...
Page 225: ...SiUS12 928_A Trial Operation and Field Settings 216...
Page 235: ...SiUS12 928_A Appendix 226...