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WARN Industrial Hoists
Trouble Shooting: Electric Hoists
Problem
Hoist won't
operate in either
direction or
motor doesn't
operate
Hoist will power-
out but not
power-in
Possible cause
Power is not
connected -or-
Emergency on/off
switch (optional) is
in "off" position
Power to remote
pendant has been
interrupted
Failure in remote
control pendant
switch or wiring
Failure of com-
ponents or wiring
inside controller
PERSONAL INJURY
Failure to observe these instructions could
lead to severe injury or death.
• Never lean over battery while making
connections.
• Always disconnect all wires from battery,
before beginning work.
• Always disconnect negative terminal first
and reconnect negative terminal last.
• Always remove jewelry and wear eye
protection.
Corrective action
A) Check wiring connections. Check for 12v
(24v) at positive (+) terminal on controller.
Check for voltage at F1, F2 and A terminals
with remote switch in either direction. B)
Check position of emergency on/off switch.
Check for 12v (24v) at center pin of remote
socket on controller. Check continuity of re-
mote lead connector from center pin to either
side pin with remote control pendant on/off
switch in both positions. Replace remote
control pendant if there is no continuity.
Check for 12v (24v) at center pin of remote
socket on controller. Check continuity of re-
mote lead connector from center pin to either
side pin with remote control pendant on/off
switch in both positions. Replace remote
control pendant if there is no continuity.
Check for 12v (24v) at center pin of remote
socket on controller. Check continuity of re-
mote lead connector from center pin to either
side pin with remote control pendant on/off
switch in both positions. Replace remote con-
trol pendant if there is no continuity. If none
of these corrective actions resolves problem,
return controller to Warn Industrial for service.
15
WARNING
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