aerauliqa WHS400 Manual - Página 18
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11.3 Alarm codes/LED status/Troubleshooting
ALARM 1
ALARM 2
VALUE
VALUE
0
0
1
0
2
0
Motor synchronization lost – wrong motor parameters
3
0
Over voltage: supply voltage above 565Vac (DC bus
4
32
Under voltage: supply voltage below 212Vac (DC bus
4
33
4
113
4
114
For additional information on HVLS Modbus control, contact the manufacturer/technical support.
ALARM DESCRIPTION
POSSIBLE CAUSE
No error
Memory error – motor parameters lost
Short circuit – electronics power
module damaged
or electronics damaged
voltage over 800V) during motor running
voltage below 300V) during motor running
Electronics temperature over 85°C
(check input register 15)
Motor windings temperature over 125°C
(check input register 16)
Contact manufacturer/technical support
Board damaged – replace board
If motor windings OK (all 3 windings have same resistance),
If motor windings damaged (open/short circuit), replace motor.
Check power supply voltage
check power supply wiring
Check power supply voltage
check power supply wiring
Check if operating temperature is above rated maximum operating
Check mechanical load for anomalies (e.g. difficult turning)
Check if operating temperature is above rated maximum operating
Check mechanical load for anomalies (e.g. difficult turning)
18
TROUBLESHOOTING
-
Check motor windings.
replace board.
temperature.
temperature.