Trouble Shooting - Dustcontrol DC 11-Module User Instruction

Trouble Shooting

Problem
Filter cleaning does not
function.
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.
2008-08-11
Fault
Compressed air supply broken.
Electric supply broken.
The motor protection has
tripped.
Electrical supply is not
connected.
Electrical power does not
reach the machine.
Electrical disconnect is locked
out.
Frequency switch set to
incorrect value.
Incorrect fuse.
The thermal overload is
incorrectly 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 7.5 kW - 28
Solution
Check solenoid valves, hoses,
connection s and compressor.
Check solenoid valves, cables, connec-
tions, 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.
Adjust the setting.
Change to correct fuse rating and
type.
Electrician should be called to
investigate.
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 94141