Nilfisk-ALTO Dynamics 440-M/B1 - Page 10

12
Dynamics 440-M/B1
Dynamics 840-M/B1
GB
TROUBLE-SHOOTING
Fault Cause Remedy
≠ Motor does not run
≠ Reduced suction power
> Mains plug not plugged in
> Circuit breaker of connection
outlet has been tripped
> Circuit breaker tripped due to
wrong rotating field
> Overcurrent protection or
temperature monitoring unit
has been triggered
> Automatic mode only:
- Contact loop of automatic
system not closed
> Suction nozzle blocked
> Suction hose blocked
> Filter cartridge dirty
> Exhaust-air flap of stopped
turbine jammed
• Plug mains plug into outlet
• Reset circuit breaker
• See section Electrical connec-
tion
• See section Continuously lit
fault lamp.If overcurrent
protection or temperature
monitoring unit triggers
repeatedly, inform Wap
Customer Service
• Check contact loop(s) or
contact points
• Clean suction nozzle
• Clean suction hose
• Replace filter element.See
Section Changing filter
element.
• See Section Checking
exhaust-air flap.