Faults/Troubleshooting - NOVACARE ProLift Series Instructions For Use Manual

15. Faults/Troubleshooting

Identifying faults on the hoist motor/lifting column
Symptoms
• No sound from the motor
or movement in the piston-
rod
• Motor runs but spindle
does not move
• drive unit cannot lift a full
load
• Sound from the motor
but no movement in the
piston-rod
• Piston-rod travels inwards
but not outwards
Mains light is not showing
Mains light is showing but drive
unit does not run
Hoist motor does not run on
battery power, though the relay
can be heard clicking
Control unit functions but only
in one direction on one channel
Possible causes
• the hoist motor is not
connected to the power
supply
• the fuse in the control unit
is faulty
• the cable is damaged
• gear or spindle damaged
• voltage drop in cable
• motor damaged
• safety nut has deployed
not connected to mains
fuse is defective
defective power cable
control unit defective
hoist motor plugs not correctly
connected to the control unit
hoist motor plugs not correctly
connected to the control unit
hoist motor defective
control unit defective
manual controller defective
control unit defective
Remedies
• connect the hoist motor to
the power supply
• replace the fuse
• send the drive unit away
for repair
• send the drive unit away
for repair
• send the drive unit away
for repair
• send the drive unit away
for repair
• send the drive unit away
for repair
connect to mainssend device
send device away for repair
on control units with
replaceable cable, replace
cable.
on units with fixed cable, send
control unit away for repair.
send control unit away for
repair.
connect hoist motor plugs
correctly to the control unit.
hoist motor plugs not correctly
connected to the control unit
replace hoist motor
replace control unit
send manual controller away
for repair
send control unit away for
repair