5.52.693.00.01.00
15
16
Remedy
Problem*
Unit
Cause
Remedy
Unit cannot be switched on
Electric trolley
No main power
Check connection to mains supply
Phase sequence not correct (with low voltage control)
Exchange 2 phases
(see wiring note at the plug)
Motor runs in opposite direction
Electric trolley
Phase sequence / rotating field wrong
(with three-phase direct control)
Exchange 2 phases
(see wiring note at the plug)
Motor does not run
Electric trolley
Fuse burnt out
Replace the fuse
Defective switching unit in the control button switch
Replace the switching unit
Interruption in the control cable
Check control cable and replace if necessary.
Defect of capacitor (only for one-phase alternating
current)
Replace the capacitor
Overheat protection has tripped*
Allow engine to cool
Defective coil - mechanic or electric overload
Motor must be repaired by a specialist
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Pneumatic
trolley
Operation pressure / quantity of air is too low
Check connection to mains supply
After prolonged standstill
See maintenance - pneumatic motor
Motor runs – trolley does not move
Motor driven
trolley
No or incorrect power transmission
Check driving pinion and repair if necessary,
check condition of trolley wheels / contact to main
beam surface and repair / adjust if necessary
If the unit is suitable for explosive atmospheres, please
clarify with the manufacturer what to do!*
Motor hums and uses excessive current
Electric trolley
Defective coil
Motor must be repaired by a specialist
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Rotor is rubbing
(Optional) brake does not release
See problem “(Optional) brake does not release”
Defect of capacitor
(only for one-phase alternating current)
Replace the capacitor
Defect of starter relay
(only for one-phase alternating current)
Replace the starter relay
Phase failure (only three-phase direct control)
Find the cause and repair
Motor does not brake or has excessive afterrunning.
Electric trolley
Switching error after intervention in the electric circuit
Check the electric connection of the brake acc. to
the wiring diagram
Motor driven
trolley
Brake linings are worn or dirty.
Brake lining carrier must be changed completely
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Air gap is too large
Re-adjust the air gap
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
(Optional) brake does not release
Electric trolley
Brake rectifier defective
Replace the brake rectifier
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Brake current relay defective
Replace the brake current relay
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Brake coil is defective
Replace the brake coil
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Permissibe air gap is exceeded due to worn out brake
lining
Re-adjust the air gap and exchange the brake lining
if necessary
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Power drop in the mains power line > 10%
Provide correct power supply voltage
Pneumatic
trolley
Operation pressure / quantity of air is too low
Check connection to mains supply
Fuses burnt out or motor contactor is triggered
Electric trolley
Short circuit in component
Eliminate the short circuit
Motor has a short circuit in the body or windings
Correct the problem by a specialist
If the unit is suitable for explosive atmospheres, the
motor must be returned to the manufacturer for repair!*
Motor is switched incorrectly
Correct the switching
Wrong type of fuse
Replace the fuse with correct one
Trolley runs very slowly or not at all
All trolleys
Driving pinion dirty or blocked.
Clean the driving pinion and lubricate it, if necessary,
exchange worn parts
Hand geared
trolley
Hand chain is twisted or blocked
Place the hand chain correctly
*) as far as applicable
17
Decommissioning
WARNING!
It is essential that the following points are observed in order to prevent damage to the equipment or critical
injury when the device is being decommissioned:
It is mandatory that all steps for decommissioning the machine are carried out in the indicated sequence:
First secure the working area for decommissioning, leaving plenty of space.
Read the chapter "Safety instructions".
Disassembly is carried out in reverse order to the assembly.
Please make sure that all operating material is disposed of in accordance with environmental regulations.
