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SHD-R 3000
5.956-486 A2005937 (06/03)
F. Troubleshooting
F2
1. Fault-finding
Problem Component Possible cause Remedy By whom?
System
does not
start up
Control
circuitry
No voltage supply to
system or control
circuitry
Check mains voltage Electrician
Control
circuitry
Fault on
– motor contactor
– fuses
Check Electrician
Control
circuitry
Bimetal relay has
switched off
Wait for motor to cool down, and
then re-set relay.
Measure motor current. If
current consumption is too high,
relieve tension on piston seal
(see Maintenance Tasks).
Electrician
Pressure
switch
(Accessory
kit)
Defective or wrongly
adjusted pressure switch
Release pressure from system,
and check pressure valve.
Customer
service
System
does not
build up
pressure
V-belt No tension in V-belt Tighten V-belt (see Maintenance
Tasks)
Operator
Filter or
strainer
(Accessories)
Blocked filter or strainer
in supply line
Remove and clean filter or
strainer.
Operator
Inlet hose Supply volume too small Test whether the correct amount
of cleaning liquid is being
supplied to system.
Operator
High-pressure
pump
Worn out valves or
broken valve spring
Replace defective part. Operator
High-pressure
pump
Defective piston, seal or
valve
Replace defective part. Customer
service
Detergent
reservoir
(Accessory
kit)
Pump taking in air due
to empty detergent
container
Fill detergent reservoir. Operator
Screech-
ing noise
V-belt Incorrect V-belt tension Tighten V-belt (see Maintenance
Tasks).
Operator