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PROBLEM #1 (continued)
1. Chair or lift will not operate (continued).
PROBABLE CAUSE
TESTING PROCEDURE
CORRECTIVE ACTION
8. Loose
8. If there is no
8. Make a secure
connection
reading at chair
connection.
in lift
receptacle on
electrical
electrical
junction
junction box,
box. (See
(Step 7 above)
figure 3-4.)
disconnect chair
power cord from
connector at front
of lift. Check
terminal 1 (lift
connector) for
reading of 115v
or 220v as
applicable. If
there is no
reading, remove
lift motor cover
and check for
loose connection
in lift electrical
junction box.
9. Faulty wiring
9. Remove screws
9. Remove and replace
harness.
securing elec-
replace wiring
trical junction
harness.
box cover and
check wiring for
reading of 115v
or 220v as
applicable. If
there is no
reading, wiring
harness is faulty.
MD0373
A-3