= Inspect
= Verify
= Perform process
This document and all copies are the property of Spider
®
. All dimensions and data are indicative only.
The user must ensure that the equipment complies with local rules and regulations.
Page 32 of 38
Revision: A
Issue Date: 2017-Dec-18
Document No: 721641-1
12. TROUBLESHOOTING
STOP!
Read
ALL
troubleshooting guidelines before attempting any solution. Consult your supervisor
to correct problems.
Problem
Possible Cause and Solution
a) n
o
P
oWer
to
P
latform
and
GREEN
v
oltage
i
ndicator
l
ight
iS
off
Power at junction box is off.
Circuit breaker is tripped.
Not enough power is being supplied to hoist.
Plugs are not connected; check hoist, yoke, power cord,
and power source.
Damaged electrical cord.
Power on light is burnt out.
b) h
oiSt
doeS
not
r
Un
and
GREEN
v
oltage
i
ndicator
l
ight
iS
on
If the motor is hot, thermal overload protection may have
been tripped. Allow motor to cool and see if it resets. This may
take 30 minutes or more.
Frequent stops and starts, high outside temperature, a
dragging brake, or overloading can cause the motor to heat up.
Determine if overspeed device has been activated.
c) P
oWer
to
P
latform
iS
on
and
RED
e
rror
l
ight
iS
on
Verify pendant is properly connected.
Verify emergency stop button is in the reset position, that is,
pulled out.
