Rosenbauer NAUTILUS 8/1, User Manual

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Rosenbauer – NAUTILUS 8/1
7. Troubleshooting
Malfunction Cause Remedy
Pump not running,
pump stopping
No line voltage or mains power
failure
Check voltage, check that the
power supply is sufficiently
fused
Damaged cable
Call Rosenbauer customer
service to replace the cable
Impeller jammed
See Section 5.3. “Checking the
impeller” in this Guide
Motor protection switch engaged
See Section 3.2. “Motor Protec-
tion” in this Guide
Residual current circuit breaker
on power supply triggered
Call a qualified electrician to
repair the pump
Poor pump
performance
The pump has sunk too deep into
the mud
Lift the pump and place on a firm
base, or hang up the pump
Inlet strainer blocked
Clean the strainer; if necessa-
ry, place the pump in a wicker
basket
Kink in hose
Route the hose to be kink-free,
use hose kink protection
Internal water channels in pump
blocked
Flush the pump with fresh water
at high pressure
Impeller or diffuser worn
Call Rosenbauer customer
service to replace the parts