Troubleshooting - Tractel Tirak L 500 P Série Manuel D'installation Et De Maintenance

Installation and operating manual
7.8

Troubleshooting

Trouble
The motor runs but the load does not move.
The motor switches off during operation.
Hoist operation is not possible.
EN-46
Cause
The load has jammed or is tied in place.
Rope jam in the hoist due to damaged or
incorrect wire rope.
Obstructed rope exit
No power supply.
Overheating caused by inadequate cooling.
Overheating due to the supply voltage being
too high or too low.
Ambient temperature over 40 °C or operation
at altitudes over 1000 m above sea level.
Disconnected mains supply.
Power supply cable between the mains
connection and the control unit disconnected.
Control unit not switched on.
EMERGENCY stop button pressed.
Ultimate lifting limit switch reached.
Ultimate lifting limit switch is defective.
The hand crank is in the operating position or
the 'Manual operation' switch is faulty (for
hoists with manual emergency operation).
Power supply cable between the mains
connection and the control unit disconnected.
Power supply connected incorrectly or the
neutral conductor is missing.
Protective cut-out tripped after overheating due
to insufficient motor cooling.
Protective cut-out tripped due to overheating
caused by the voltage being too high or too
low.
Two poles in the power supply cable are
switched. The built-in reverse polarity
protection locks out the control unit.
Elimination
– Carefully free or untie the load.
– Check the wire rope, suspension rig and
load lifting equipment for their operating
safety.
– Support the load (e.g. with a wedge
clamp or lever hoist).
– Cut the wire rope in front of and behind
the hoist.
– Send the hoist to be repaired.
– When available, install a new wire rope in
replacement hoist.
– Check for power supply.
– Provide sufficient cooling.
– Have an electrician measure the voltage
and power consumption when subjected
to load.
– Make sure that there are sufficient breaks
in operation.
– Try to reconnect the main supply.
– Check all cables and connections and
reconnect as necessary.
– Switch on control unit.
– Unlock the EMERGENCY stop button.
– Move downwards in emergency mode
until the limit switch is free.
– Have an electrician check or replace the
limit switch.
– Move the hand crank into the idle
position.
– Have an electrician check or replace the
'Manual operation' switch.
– Check all cables and connections and
repair as necessary.
– Have the connection repaired by an
electrician.
– If necessary, have it modified by the
manufacturer.
– Clean motor cover.
– Have an electrician measure the voltage
and power consumption when subjected
to load.
– Increase the wire cross-section if
necessary.
– Turn the phase reverser in the plug by
180°, see Illu. 22.
G1035.4 – 01/2019