15
This section is reserved to the
After-sales Service Centres only.
The board is found inside the unit
and requires disassembly.
DANGER!
Only qualified mainte-
nance personnel can access it.
On the Inverter board there are 2
LED (Alarm/Power) indicating the
functioning status of the unit.
The following table indicates how
to decode the messages.
ALARM TYPE
INDICATIONS
ANOMALY
NOTES
High temperature
Flashing ALARM led
3sec ON / 0.5sec OFF
After 1.5 min the ALARM led is
permanently on
Motor off
Auto-Restart alarm
If the conditions persist after
1.5 min, the alarm becomes
permanent:
- Alarm led on
- led ON
- the system switches off
Overvoltage
Undervoltage
Overcurrent
Overload
Flashing ALARM led
0.5sec ON / 0.5sec OFF
Speed reduction
Power limitation
Safety control
Temperature limitation
STOP
Alarm led permanently ON
Motor off
To reset the alarms:
Set 0V ON INPUT
(disconnect voltage and switch
on again)
ALARM CODE
