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Haier Manuals
Air Conditioner
R32 Series
Troubleshooting manual
Haier R32 Series Troubleshooting Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
R32 Series Trouble Shooting
4-Way Valve Reversing Failure
Troubleshooting
Communication Error between Indoor and Oudtoor Unit
Communication Error between Power Module and PCB
Compressor Start Failure
DC Fan Motor Failure
High Pressure Switch off Failure
Indoor Unit Overload
Temperature Sensor Failure
1 Trouble Shooting
MRV 5 Series Trouble Shooting
Commnunication between Indoor and Wired Controller Failure
There Is 11.5VAC between the White Terminals
There Is 13.7VAC between the Blue Terminals
Communication between DC Fan Motor and Indoor PCB Failure
Communication between DC Fan Motor and Indoor PCB Failure
Communication between Indoor and Display Board Failure
DC Fan Motor Failure
DC Motor Model Is Wrong
Fan Module Communication Failure
Fan Module Commnication Failure
Fan Module Hardware Overcurrent
Indoor Address Repeated Failure
Indoor EEPROM Failure
Indoor Float Switch Failure
Indoor Temperature Sensor Failure
Sensor Characteristics Table
Indoor Unit 50HZ Zero-Crossing Failure
Power Module Commnication Failure
Power Module Commnication Failure
Power Module Hardware Overcurrent
The Compressor out of Control
Troubleshooting for 4-Way Valve Reversing Failure
Troubleshooting for MRV 5 Indoor and Outdoor Communication Failure
Troubleshooting for Outdoor Temperature Sensor Failure
Troubleshooting for the Compressor Startup Failure
2 Part Inspection MRV 5 Outdoor Fan Motor Inspection
MRV 5 Power Module Inspection
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1
Table of Contents
2
Communication Error between Indoor and Oudtoor Unit
3
Trouble Shooting
4
Commnunication between Indoor and Wired Controller Failure
5
Troubleshooting for Mrv 5 Indoor and Outdoor Communication Failure
6
Mrv 5 Power Module Inspection
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Trouble Shooting
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Table of Contents
Troubleshooting
R32 series Trouble Shooting
3
Troubleshooting
6
Trouble Shooting
66
MRV 5 series trouble shooting
72
Troubleshooting for 4-way valve reversing failure
167
Troubleshooting for MRV 5 indoor and outdoor communication failure
178
Troubleshooting for outdoor temperature sensor failure
191
Troubleshooting for the compressor startup failure
204
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