26
STOP
STOP
WARNING!
Avoid injuries:
1.
Checks and repairs of the electrical equipment
must only be carried out by qualified electri-
cians! Wiring diagrams are shown in the
control box of the motor.
6. Troubleshooting
2.
Any other repairs should only be carried out by
the manufacturer (or Group company) or by a
qualified person, and only original spare parts
shall be used.
Breakdown
Cause
Remedy
WARNING
! IMMEDIATELY STOP WORKING!
Any attempt to continue operating the TIRAK
®
hoist jeopardizes the operational safety!
A1 Rope jam in the TIRAK
®
hoist.
Stop working immediately!
Defective or incorrect wire rope
Request assistance from the supplier
or obstructed rope exit.
or the manufacturer.
A2 The platform has become
Release platform carefully from the
caught on an obstacle
obstacle or untie platform.
or
Check affected platform parts for their
the platform is held tight.
operational safety.
Inform supervisor.
A3 Power failure
a)
Control switched off.
a) Turn the EMERGENCY-STOP
button clockwise until it releases.
b)
Interrupted power supply.
b) Check reason and wait, until
power returns.
c)
On 3-phase motors: two phases
c) Turn phase inverter of
changed in the supply, the
the central control
built-in phase control relay
plug by 180
.
blocks the hoist control.
d)
Defect connection between
d) Check lead and control cable,
power supply and
fuses and connections or wiring of
hoist control.
central control and terminal boxes
and repair if necessary.
A4 Wrong connection,
Compare connection with wiring diagram.
e. g. no neutral conductor
If necessary conversion by the manu-
facturer.
A5 Protective switching off
due to overheating:
a)
One phase is missing
a) Check/repair fuses, leads and
connections.
b)
Insufficient cooling
b) Clean air inlet at the motor cover.
c)
Voltage too high/too low
c) Check voltage and current consump-
tion on the motor under load. If ne-
cessary increase lead cross section.
A6 Brake does not open (no “click” noise, when switching on/off)
a)
Defective supply conductor,
a) Have supply conductor, brake coil
brake coil, or rectifier.
and rectifier checked by an
electrician and repaired/replaced.
b)
Worn brake rotor.
b) Send the TIRAK
®
for repairs.
The platform moves
neither up nor down
although the motor
starts when the UP/
DOWN buttons are
pressed.
The hoist
doesn’t move at all.
DANGER!
Always pull
the plug out be-
fore opening a
terminal box or
a pendant or
central control!
