9.0 INFORMATION REGARDING FAULTS
LBC
2
VAL.LBC.--.M.A2.1219.EN Issue: A2
12.19
54
ERROR
POSSIBLE CAUSE
SOLUTION
The shaft of the Lump Breaking
Feeder Valve no longer rotates.
The material inside has blocked the
rotation of the blades
Remove, clean and fit back
The thermal protection of the motor
with trips.
The material inside has blocked the
rotation of the blades
Remove, clean and fit back
Insufficient drive unit power.
Check that the installed power is
correct.
Friction between the rotary and fixed
parts
Remove and check any contact
points, replace the damaged
components
Excessive noise.
Friction between the rotary and fixed
parts
Remove and check any contact
points, replace the damaged
components
Device inoperative.
No power supply
Check power supply and cables,
restore power supply
Drive defective
Replace dnve
Electrical safety device (opt.)not
activated.
Check that position of contact bow
is correct. Replace safety device if
necessary.
Motor circuit breaker tnggered by
overload.
Allow drive to cool, remove cause of
fault, switch motor circuit breaker on
again.
Lumps not broken down, machine
jammed.
Breaking tools worn or broken
For replacement of breaking tools,
see chapter 9.2.1
Output of lump breaker and capacity
of downstream machine not
coordinated.
Adjust output of lump breaker to the
capacity of downstream machine.
Lumps jammed
Lumps too big, breaker tools worn or
broken
Disconnect machine from energy
supply, secure it against being
switched on and remove lumps by
hand.
For frequency-regulated drives, a brief
reverse motion (max. 1 revolution)
is possible. The correct direction
of rotation should then be set once
more.
9.1 Trouble-shooting
Minor problems can be solved without consulting a specialist.
The following Table contains a list of the most common problems, the possible causes and possible remedies.
For particularly difficult actions which are not mentioned in the Table, contact the Manufacturer’s Customer
Service Department.
Danger - Warning
Before carrying out any operation “set the device concerned in safety” (see “Glossary and termino
-
logy”), operate according to the indications on the “Operation and Maintenance Manual” and in accor
-
dance with and in compliance with the standards in force as regards health and safety.
