Vacon NX - Page 57

Fault codes and software
24h on-call service phone: +358 (0)40 83 71 150
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FIGURE 17. Fault code F15
Check if motor
rotating.
F15 Motor stalled
Check/ correct parameter setting. Keep in
mind the mechanical ratings of the
equipment.
- Stall current limit
- Stall frequency
- Stall frequency gap
Stall time
Is motor
rotating?
NO
YES
F15 displayed.
Check logged
data in
fault history.
Internal fault: Check
current measurement
circuit.
Possible to correct
parameter
settings?
Was
measurement
same as
displayed value?
Measure
motorcurrent in
all phases.
Compare values
to monitoring
page.
NO
Protection activated
for a reason.
YES
NO
Temporary load activated
the protection.
Is unit
functioning
better with new
settings?
YES
YES
NO