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PROBLEM #1 (continued)
1. Chair or lift will not operate (continued).
PROBABLE CAUSE
TESTING PROCEDURE
CORRECTIVE ACTION
5. Motors not
5. Visual inspection.
5. Plug in each
plugged into
motor.
chair
electrical
junction box.
6. Power cord
6. Visual inspection.
6. Make a secure
from
Remove plastic
connection of
electrical
cover, motor, and
each cord.
junction box
toe board covers
and cord from
following
programming
instructions.
dials not
securely
plugged into
automatic
control
board.
7. Faulty solid
7. Remove and
state
replace the
automatic
on chair
automatic
control
electrical
control board.
board.
junction box for a
reading of 115v or
220v as applicable.
If there is a
reading, the
automatic control
board is faulty.
MD0373
A-2