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PROBLEM #1 (continued)
1. Chair or lift will not operate (continued).
PROBABLE CAUSE
TESTING PROCEDURE
CORRECTIVE ACTION
(14. continued)
14i. If there is no
14i.
Replace the
movement of
automatic
control
indicator, the
switch.
automatic
control switch
is faulty.
14j. If there is
14j.
Replace the
movement of
the automatic
control
indicator, the
board.
automatic
control board is
faulty.
NOTE: If the chair or
lift fails to
proceed to the
position in
which it was
programmed,
check potenti-
ometer wiring
harness as
follows:
14k. Disconnect lift
power cord from
supply
receptacle.
14l. Disconnect
potentiometer
cord from auto-
matic control
board.
MD0373
A-8