TECALEMIT 3000XB - Hoist Runs Slow and Struggles to Lift

2. The hoist runs slow
and struggles to lift
vehicles (one side of the
hoist may be repeatedly
stopping to correct “out
of level” error).
a. The motors do not sound like
they are running slow or
working hard.
b. The motors sound like they
are working hard.
5. A lift nut is worn out and the
safety interlock has engaged
preventing the hoist from
raising.
6. A brake is worn out causing it
to lock on when lowering.
7. Loss of power in 1 or 2
phases.
8.A contactor is faulty and is not
switching on 3 phases.
9. A burnt out coil in a motor
contactor (K3M or K4M)
10.A motor is faulty
11. A proximity switch has too
much gap & is not detecting the
screw pulley.
12. A proximity switch has too
little gap and has been hit and
damaged by the screw pulley.
13.A loose or faulty connection
in the wiring from the proximity
switch to the PLC.
14.The PLC has a faulty output
relay (.0 or .1)
1. The Vee belts are loose.
1. Loss of power in one phase.
2. One contactor is faulty & only
supplying two phases.
3. A motor is faulty
4. A bottom collar is binding
against the bottom of the
column.
5. A brake is worn out causing it
to lock on when lowering.
A .Replace the lift nut. (Refer to
major service.)
b. Reset the alarm.+
a. Replace the brake shoe.
(Refer to major service).
b. Reset the alarm.+
a. Check fuses.
b. Reset the alarm.+
a. Manually operate each
contactor and check for
continuity on 3 phases.
Replace the faulty contactor.*
b. Reset the alarm.+
a. Replace the contactor.
b. Reset the alarm.+
a. Replace the motor b. Reset
the alarm.+
(as per 2.b, 3.a)
a. Adjust the gap between
proximity switch and pulley to
0.5 to 1.0mm.
b. Manually rotate the screw
pulley & check the light on the
proximity switch goes on & off.
c. Reset the alarm.+
a. Replace the proximity switch
and adjust the gap to 0.5
to1.0mm.
b. Manually rotate the screw
pulley and check the light on
the proximity switch goes on &
off. c. Reset the alarm.+
a. Manually rotate each screw
pulley and check the input light
on the PLC at .6 or .7 goes on
& off.
b. Tighten all connections
c. Reset the alarm.+
a. Contact the nearest
Tecalemit or Klockner Moeller
branch. Replace the PLC.
b. Reset the alarm.+
a. Adjust the belt tension.
Replace if out of adjustment.
a. Check the fuses.
a. Manually operate each
contactor and check for
continuity on 3 phases.
Replace the faulty contactor.*
a. Check continuity of motor
windings. Check current draw
on 3 phases. Replace the
motor if required.*
a. Check the clearance
between the collar and the
column base plate (refer major
service).
a. Replace the brake shoe.
(Refer to major service).
ProblemProblem Symptom Possible Cause Remedy
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