Trouble Shooting
Problem
Filter cleaning does not func-
tion.
The red alarm lamp is on.
Motor will not run.
The motor stops directly after
starting.
Motor runs but no suction.
Pump runs but poor suction.
Abnormal sound from the
machine.
Machine blows dust.
Fault
Compressed air supply bro-
ken.
Electric supply broken.
The motor protection has
tripped.
Electrical supply is not con-
nected.
Electrical power does not
reach the machine.
Electrical disconnect is locked
out.
Motor circuit breaker (Logo) is
in stop position.
Incorrect fuse.
The thermal overload is incor-
rectly set.
Suction tubing not connected.
Blocked tubing or hoses.
There is no plastic sack or
container attached to the fi ler
unit.
Fan rotation is backwards.
Leakage in the ductwork.
Blocked fi lters.
Foreign debris in the machine.
Filter is damaged, perforated
or is not tightly mounted.
DC 11-Module - 31
Solution
Check solenoid valves, hoses, connec-
tion s and compressor.
Check solenoid valves, cables, con-
nections, fusing and transformer.
Investigate what is wrong and reset
the motor protection.
Connect.
A qualifi ed electrician should check
the supply.
Find the person responsible for the
lock out and check to see if the system
is clear for operation. Reverse the lock
out.
Switch on the circuit breaker.
Change to correct fuse rating and
type.
Electrician should be called to investi-
gate.
Connect the tubing.
Clean.
Connect a plastic sack or a container.
Electrician should take care of this.
Locate and repair.
Check the fi lters and clean or change
if necessary.
Turn off the machine and order a
service.
Check fi lter and change the cartridge
if necessary.
Part No 94123-B