Prowinch PWHC1000i, Руководство пользователя

Страница: 48 / 64

44
Troubleshoooting
| 44 |
Version 1.0
Motor did not
stop upon
reaching
upper and
lower
limit
Contact fused
Operate limit switch.
Check continuity of
contactor,replace if can
not stop
Limit switch used fre-
quently
Avoid overuse of limit switch
Rusting of moveable parts
Check movable parts
such as limit lever.
Remove if rusty or
replace if adhesive
Infrequent usage; use in
moist environments.
Regular inspection
Wiring error
Reference wiring dia-
gram. If limit switch
cable is properly
connected, it is
inversely connected.
Swap 2 wire power
cords
Wiring error
Properly connect wire power
cords as per wiring diagram
Condition
Reason Action Cause Correction
No operation
(Contactor
Emergency button is
pressed Turn button right to
recover
Emergency button not
reset Read User Manual before
usage
Switch gear fault
Conduction contacts,
replace
switch if off
Vibration, drop
Avoid excessive bumping in
usage
Wiring break
Check if button cable is
correctly connected to
switch device. Repair if
broken
Vibration, drop
Avoid excessive bumping in
usage
Terminal screw loose Tighten screw Vibration, drop
Avoid excessive bumping in
usage
Button cable wire break
Replace cable or button
cable when wire break
Cable coating
damaged Avoid contact with other
equipment during operation
Faulty installation Install protection line firmly
Action does not
correspond
with display
Wiring error
Reference wiring
diagram. If limit switch
cable is properly
connected, it is
inversely connected.
Swap 2 wire power
cords
Wiring error
Properly connect wire
power cords as per
wiring diagram
Operation
continues upon
button release
Faulty switch gear part
Replace switch if not
smooth.
Vibration, drop
Avoid excessive bumping in
usage
Push button switch