ERROR CODES
PAGE 33
ENGLISH
OUTDOOR UNIT ERROR CODES
Error Codes Related to MODULE Board Operation
Error Code 26
CPU module reset indicates possible drive module power
anomalies. Usually when the low line voltage conditions are
present. Check for line voltage problems.
Error Code 27
Compressor current abnormal: module driver board
detected the
that compressor current is too large, The Module board
software protects it and compressor.
Possible Causes:
•
overcharge
•
dirty outdoor coil
•
hot conditioned space temperature/high load
•
refrigeration circuit restriction
•
seized compressor
•
Bad Module Board
Error Codes Related to Compressor, Outdoor Fan, 4-Way Valve
Error Codes Related To Compressor, Outdoor Fan Motor,
4-Way Valve
Error Code 9
This code indicates the outdoor fan motor is not running.
The fault is detected very quickly by the ECU. The system
will shut off and display this error code. If this error occurs,
reference the Test Procedure for Outdoor Fan Motor.
Malfunction Code 17
This error code indicates that the 4 way valve is not directing
hot gas to the proper coil. In other words, the system is
running the refrigerant in the wrong mode of operation.
Refer to the Test Procedure for 4 way valve to diagnose the
problem.
Error Code 24
This error code indicates the compressor failed to start when
a call for operation occurred. Refer to the Test Procedure for
Compressor troubleshooting to diagnose the problem.
4-Way Valve
Compressor
Содержание AW07LC2VHA
Страница 3: ...PAGE 3 ENGLISH INTRODUCTION SPECIFICATIONS Multi Zone Indoor...
Страница 4: ...PAGE 4 ENGLISH INTRODUCTION SPECIFICATIONS Multi Zone Indoor...
Страница 5: ...PAGE 5 ENGLISH INTRODUCTION SPECIFICATIONS Multi Zone Outdoor...
Страница 72: ...REFERENCES PAGE 72 ENGLISH Problem Problems Solutions Length Limits Piping Length Limits REFERENCES...
Страница 73: ...REFERENCES PAGE 73 ENGLISH Component Ratings REFERENCES...
Страница 76: ...REFERENCES PAGE 76 ENGLISH Wiring REFERENCES...
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Страница 81: ...REFERENCES PAGE 81 ENGLISH 2U Wiring REFERENCES...
Страница 82: ...REFERENCES PAGE 82 ENGLISH CN20 Connector for room card Wiring REFERENCES...
Страница 83: ...REFERENCES PAGE 83 ENGLISH SWI Wiring REFERENCES...
Страница 84: ...REFERENCES PAGE 84 ENGLISH Wiring REFERENCES...
Страница 86: ...REFERENCES PAGE 86 ENGLISH CIRCUIT DIAGRAMS REFERENCES...
Страница 87: ...REFERENCES PAGE 87 ENGLISH CIRCUIT DIAGRAMS REFERENCES...
Страница 88: ...REFERENCES PAGE 88 ENGLISH WIRING DIAGRAMS REFERENCES...
Страница 89: ...REFERENCES PAGE 89 ENGLISH WIRING DIAGRAMS REFERENCES...
Страница 90: ...REFERENCES PAGE 90 ENGLISH 2U Piping Installation Dimensions REFERENCES...
Страница 92: ...REFERENCES PAGE 92 ENGLISH Refrigerant Diagram REFERENCES...
Страница 93: ...REFERENCES PAGE 93 ENGLISH Refrigerant Diagram REFERENCES...
Страница 94: ...REFERENCES PAGE 94 ENGLISH 3U Piping Installation Dimensions REFERENCES...
Страница 95: ...REFERENCES PAGE 95 ENGLISH 4U Piping Installation Dimensions REFERENCES...
Страница 110: ...REFERENCES PAGE 110 ENGLISH SENSORS Value of Thermistor Indoor Unit...
Страница 111: ...REFERENCES PAGE 111 ENGLISH SENSORS...
Страница 112: ...REFERENCES PAGE 112 ENGLISH SENSORS...
Страница 113: ...REFERENCES PAGE 113 ENGLISH SENSORS...
Страница 114: ...REFERENCES PAGE 114 ENGLISH SENSORS...
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Страница 120: ...REFERENCES PAGE 120 ENGLISH SENSORS...
Страница 121: ...REFERENCES PAGE 121 ENGLISH SENSORS...