aerauliqa QHS Series Specifieke handleiding - Pagina 16
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10.3 Alarm codes/LED status/Troubleshooting
LED BLINKS
ALARM 1
ALARM 2
(single blink
VALUE
VALUE
approx. duration)
1 Blink/2sec
0
0
1 Blink/s
1
0
2 Blink/s
2
0
(0.25s)
3 Blink/s
3
0
(0.17s)
5 Blink/s
4
1
4
32
5 Blink/s
4
33
5 Blink/s
4
34
5 Blink/s
4 Blink/s
4
49
(0.13s)
4
50
4 Blink/s
4
51
4 Blink/s
6 Blink/s
4
113
(0.08s)
7 Blink/s
4
114
(0.07s)
4
115
no Blink
For additional information on HVLS ModBus control, contact the manufacturer/technical support.
ALARM DESCRIPTION
POSSIBLE CAUSE
(1s)
Memory error – motor parameters lost
(0.5s)
Short circuit – electronics power
module damaged
Motor synchronization lost – wrong motor
parameters or electronics damaged
Supply voltage out of range 135Vac÷550Vac
(DC bus voltage 190÷780V) only with motor
(0.1s)
still - not running
Supply voltage above 565Vac (DC bus
voltage over 800V) during motor running
(instantaneous value)
Supply voltage below 107Vac (DC bus
voltage below 150V) during motor running
(instantaneous value)
"Restart on the fly" failed
U phase voltage missing/disconnected
(or wrong motor parameters)
V phase voltage missing/disconnected
(or wrong motor parameters)
W phase voltage missing/disconnected
(or wrong motor parameters)
Electronics temperature over 85°C
Motor windings temperature over 125°C
Short circuit on Pt100 motor temperature
No error
Board damaged – Contact manufacturer/technical support
If motor windings damaged (open/short circuit), replace
The drive couldn't catch the impeller – power cycle/retry
Check if operating temperature is above rated maximum
Check mechanical load for anomalies (e.g. difficult turning)
Check if operating temperature is above rated maximum
Check mechanical load for anomalies (e.g. difficult turning)
Check temperature probe wiring – detects temperature
probe
16
TROUBLESHOOTING
-
Contact manufacturer/technical support
Check motor windings.
If motor windings OK (all 3 windings have same
resistance), contact manufacturer/technical support.
motor
Check power supply voltage / check
power supply wiring
Check power supply voltage / check
power supply wiring
Check power supply voltage / check
power supply wiring
Check power supply/wiring. If wiring OK, contact
manufacturer/technical support
Check power supply/wiring. If wiring OK, contact
manufacturer/technical support
Check power supply/wiring. If wiring OK, contact
manufacturer/technical support
operating temperature.
operating temperature.
probe manumission