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PROBLEM #1 (continued)
1. Chair or lift will not operate (continued).
PROBABLE CAUSE
TESTING PROCEDURE
CORRECTIVE ACTION
(14. continued)
14m. Using an
for a reading of
"50k" across
the following
terminals on
potentiometer
cord. (Refer to
figure 2-1
[Control Board
portion].)
(a)
Terminals 8
and 5 to check
back motor
potentiometer.
(b)
Terminals 8
and 7 to check
seat motor
potentiometer.
(c)
Terminals 8
and 3 to check
lift motor
potentiometer.
MD0373
A-9