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Ventilation Fan_Motor Driver
Error
List of Errors
Code
Communication Error in Ventilation Fan PCB
CH18x01
(Main ↔ Inv)
CH18x79 Failed to Start Ventilation Fan PCB
Overcurrent (Phase Current) in Ventilation
CH18x77
Fan PCB
Abnormal Temperature in Ventilation PCB
CH18x93
Heat Sink
CH18x87 EEPROM Error in Ventilation Fan PCB
CH18x07 DC Link Low in Ventilation Fan PCB
CH18x76 DC Link High in Ventilation Fan PCB
CH18x75 Phase Current Offset in Ventilation Fan PCB
CH18x67 Phase Lock in Ventilation Fan PCB
CH18x06 IPM Fault in Ventilation Fan PCB
Reversed Phase Detected in Ventilation Fan
CH18x50
PCB
CH18x71 Input Current Offset in Ventilation Fan PCB
Heat Sink Temperature Sensor in Ventilation
CH18x94
Fan PCB
Communication Error in Ventilation Fan PCB
CH18x05
(Main ↔ Inv)
CH18x22 Input Overcurrent in Ventilation Fan PCB
Supply Fan_Motor Driver
Error
List of Errors
Code
Communication Error in Supply Fan PCB
CH19X01
(Main ↔ Inv)
CH19X79 Failed to Start Supply Fan PCB
Overcurrent (Phase Current) in Supply Fan
CH19X77
PCB
Abnormal Temperature in Supply PCB Heat
CH19X93
Sink
CH19X87 EEPROM Error in Supply Fan PCB
CH19X07 DC Link Low in Supply Fan PCB
CH19X76 DC Link High in Supply Fan PCB
CH19X75 Phase Current Offset in Supply Fan PCB
CH19X67 Phase Lock in Supply Fan PCB
CH19X06 IPM Fault in Supply Fan PCB
CH19X50 Reversed Phase Detected in Supply Fan PCB
CH19X71 Input Current Offset in Supply Fan PCB
Heat Sink Temperature Sensor in Supply Fan
CH19X94
PCB
Communication Error in Supply Fan PCB
CH19X05
(Main ↔ Inv)
CH19X22 Input Overcurrent in Supply Fan PCB
Error
Level
2
Unable to receive the communication signal from Ventilation INV for more than 1 minute.
2
Failed to start due to an error or overcurrent in the ventilation INV Fan Motor
2
Overcurrent in ventilation INV FAN Motor. Motor connector is unplugged.
2
The temperature of ventilation INV heat sink is over 95°
2
Ventilation INV EEPROM is not inserted or incorrectly inserted
2
DC Link voltage cannot be charged after the starter relay of ventilation INV is turned on.
2
High voltage occurred in DC Link after the starter relay of ventilation INV is turned on.
2
The phase current detector circuit in ventilation INV is burnt
2
The ventilation INV fan is not rotating (due to a foreign material)
An error is detected in the ventilation INV IPM. Motor is improperly connected (Open,
2
Short).
2
There is phase current in the ventilation INV power cable.
2
The input power detector circuit in ventilation INV is burnt
2
The ventilation INV temperature sensor is disconnected/short circuited.
Ventilation INV is unable to receive the communication signal from the Main Control for
2
more than 30 seconds.
2
An overcurrent in the ventilation INV power supply.
Error
Level
2
Unable to receive the communication signal from Supply INV for more than 1 minute.
2
Failed to start due to an error or overcurrent in the Supply INV Fan Motor
2
Overcurrent in Supply INV FAN Motor. Motor connector is unplugged.
2
The temperature of Supply INV heat sink is over 95°
2
Supply INV EEPROM is not inserted or incorrectly inserted
2
DC Link voltage cannot be charged after the starter relay of Supply INV is turned on.
2
High voltage occurred in DC Link after the starter relay of Supply INV is turned on.
2
The phase current detector circuit in Supply INV is burnt
2
The Supply INV fan is not rotating (due to a foreign material)
2
An error is detected in Supply INV IPM. Motor is improperly connected (Open, Short).
2
There is phase current in the Supply INV power cable.
2
The input power detector circuit in Supply INV is burnt
2
The Supply INV temperature sensor is disconnected/short circuited.
Supply INV is unable to receive the communication signal from the Main Control for more
2
than 30 seconds.
2
An overcurrent in the Supply INV power supply.
APPENDIX
Cause
Cause
127
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