Alto SQ 690-3M/B1 Notice D'utilisation page 16

Problem
‡ Motor does not run in
Automatic mode
‡ Acoustic warning
signal triggered
(reduced suction
power) SQ 890-3M/
B1: Display S2
‡ No suction power
during wet cleaning
SQ 890-3M/B1:
Display S1
‡ No acoustic warning
signal when volume
flow drops below
minimum
GUARANTEE
14
Cause
> Compressed air supply
below 4 bar
> Electrical tool faulty or
not correctly
connected
> Suction force regulator
set too low
> Hose diameter is not
compatible with
switch position
> Suction hose is
blocked
> Filter bag is full
> Filter element is soiled
> Ball valve at drainage
hose is open
(SQ 890-3M/B1 only)
> Tank full (float switch
closing off the suction
opening,
SQ 690-3M/B1
only)
> Faulty monitoring
electronics
Guarantee and warranty
are subject to our General
Conditions of Sale and
Delivery.
Subject to changes in the
course of technical
innovations.
Remedy
• Increase operating
pressure, see section
'Technical Data'
• Check electrical tool
for faults and push
plug in firmly
• Adjust the knob in a
clockwise direction
• Adjust switch position
to hose diameter
• Clean the suction hose
• See section 'Changing
the filter bag'
• See section 'Replacing
the filter element'
• Close the ball valve
• Switch off cleaner.
Empty tank
• Have repaired by WAP
Service Dept