SVS 7HSE 110V - Manual (Page 16)

Lift works with the key switch in
the Service position but will not
lower in the Show position The Show position microswitch
may be set too near the rear of the
Lift and is compressed by the roller
washer. Set Show position
The Show microswitch or
associated wiring has been
damaged Look for damage. Check for
continuity from the Wallplate
Controller to the Show
microswitch.
Lift works with the key switch in
the Service position but only lower
very little in the Show position The Show position microswitch
may be set too near the rear of the
Lift. Set Show Position
Lift does not lower but will rise Down Limit microswitches or
associated wiring damaged Look for damage. Check for
continuity from the Wallplate
Controller to the Down Limit
microswitch.
Lift does not raise but will lower Up Limit microswitches or
associated wiring damaged Look for damage. Check for
continuity from the Wallplate
Controller to the up limit
microswitch.
Lift stopped working after being
connected to an external controller External controllers can not be used
with Accessory #4 Power Sensor,
Accessory #5 Power Sensor with
Screen Control, or Accessory #15
12Volt Trigger. Contact SVS to disable Power
Sensor or 12Volt Trigger
Wall Plate Controller key switch in
the wrong position Place key switch in the Show
position
If the external controller is closing
the contacts between the White wire
and the Red wire at the same time
that it is closing the contacts
between the White wire and Brown
wires, the Lift will go into a
lockout, and will not work until one
of the closed contacts is opened. Correct external controller
programming
If the Wall Plate Controller and
external controller are paralleled
and they are closing different
contacts the Lift will go into a Lock
Out. Place the Wall Plate Controller key
switch in the off position when
using the external controller. Turn
off the external controller when
using the wall Plate Controller
SVS 7HSE Lift Installation Instructions Page 16 of 16