Installation
53
53
Display
Error item
Root cause of error
number
Initial operation failure due to master outside unit inverter compressor error
Initial operation failure due to Slave1 outside unit inverter compressor error
Initial operation failure due to Slave2 outside unit inverter compressor error
Compressor turned off due to master outside unit inverter DC voltage over-
charge
Compressor turned off due to slave1 outside unit inverter DC voltage over-
charge
Compressor turned off due to slave2 outside unit inverter DC voltage over-
charge
Master outside unit inverter compressor error or operating component (IPM)
error operation
Slave1 outside unit inverter compressor error or operating component (IPM)
error operation
Slave2 outside unit inverter compressor error or operating component (IPM)
error operation
Compressor turned off due to master outside unit inverter CT under-Current
Compressor turned off due to Slave1 outside unit inverter CT under-Current
Compressor turned off due to Slave2 outside unit inverter CT under-Current
Compressor turned off due to master outside unit inverter comppressor dis-
charge temperature over-rise
Flow rate insufficiency or flow switch trouble of master outside unit
Compressor turned off due to slave1 outside unit inverter comppressor dis-
charge temperature over-rise
Flow rate insufficiency or flow switch trouble of slave1 outside unit
Compressor turned off due to slave2 outside unit inverter comppressor dis-
charge temperature over-rise
Flow rate insufficiency or flow switch trouble of slave2 outside unit
Compressor turned off due to master outside unit static speed compressor dis-
chrage temperature ove-rise
Compressor turned off due to slave1 outside unit static speed compressor dis-
chrage temperature ove-rise
Compressor turned off due to slave2 outside unit static speed compressor dis-
chrage temperature ove-rise
Compressor turned off due to master outside unit high pressure over-rise
Flow rate insufficiency or flow switch trouble of master outside unit
Compressor turned off due to slave1 outside unit high pressure over-rise
Flow rate insufficiency or flow switch trouble of slave1 outside unit
Compressor turned off due to slave2 outside unit high pressure over-rise
Flow rate insufficiency or flow switch trouble of slave2 outside unit
Compressor turned off due to master outside unit low pressure over-drop
Compressor turned off due to slave1 outside unit low pressure over-drop
Compressor turned off due to slave2 outside unit low pressure over-drop
1
Master outside unit inverter compressor operation
failure error
2
6
2
Slave1 outside unit inverter compressor operation
failure error
3
Slave2 outside unit inverter compressor operation
failure error
1
Master outside unit inverter DC link over-voltage
error
2
8
2
Slave1 outside unit inverter DC link over-voltage
error
3
Slave2 outside unit inverter DC link over-voltage
error
1
Master outside unit inverter compressor over-cur-
rent
2
9
2
Slave1 outside unit inverter compressor over-cur-
rent
3
Slave2 outside unit inverter compressor over-cur-
rent
1 Master outside unit inverter CT under-current error
3
1
2 Slave1 outside unit inverter CT under-current error
3 Slave2 outside unit inverter CT under-current error
1
Master outside unit inverter compressor dischrage
temperature ove-rise
3
2
2
Slave1 outside unit inverter compressor dischrage
temperature ove-rise
3
Slave2 outside unit inverter compressor dischrage
temperature ove-rise
1
Master outside unit static speed compressor dis-
charge temperature ove-rise
3
3
2
Slave1 outside unit static speed compressor dis-
charge temperature ove-rise
3
Slave2 outside unit static speed compressor dis-
charge temperature ove-rise
1
Master outside unit high pressure over-rise
3
4
2
Slave1 outside unit high pressure over-rise
3
Slave2 outside unit high pressure over-rise
1 Master outside unit low pressure over-drop
3
5
2 Slave1 outside unit low pressure over-drop
3 Slave2 outside unit low pressure over-drop
Outside unit