Nilfisk cfm VHW321 User Manual

C393
18
09/2014
VHW320 - VHW321 - VHW420 - VHW421 - VHW440
GB
Troubleshooting
Problem Cause Remedy
Reduced or insufcient vacuum power
Clogged main lters
Clean the lters.
If this is not sufcient, replace.
Clogged vacuum hose Check the vacuum hose and clean it.
The bag (class M or H) is full Replace
Clogged lters.
One or more solenoid valves are stuck
in cleaning position (InniClean Model)
Turn off the vacuum cleaner, wait for
at least 15 seconds so that the blower
turns off completely, then restart, and
vacuum clean air for at least 3 minutes.
The vacuum cleaner suddenly stops Circuit breaker activation
Check the setting.
Check the motor electrical input.
Empty the container.
Contact an authorized after-sales
service center if necessary.
Lack of vacuum
The shutter valve is closed Check it and try to open it
The motor rotates in the wrong direction
Invert two of the three phase wires
inside the plug.
Dust leaks from the vacuum cleaner The lters are torn
Replace them with others of identical
type.
Loss of dust from the vacuum hose
Clogged lters.
One or more solenoid valves are stuck
in cleaning position (InniClean Model)
Turn off the vacuum cleaner, wait for
at least 15 seconds so that the blower
turns off completely, then restart, and
vacuum clean air for at least 3 minutes.
If this is not sufcient, replace the
lters.
Electrostatic current on the vacuum
cleaner
Improper grounding
Check all ground connections.
Especially check the connection at the
inlet.

Nilfisk cfm VHW321 Specifications

General

Brand	Nilfisk cfm
Model	VHW321
Category	Vacuum Cleaner
Language	English