PROBLEM I. Chair or lift will not operate (continued).
PROBABLE CAUSE
TESTING PROCEDURE
CORRECTIVE ACTION
13. Faulty relay.
13a. Place the chair in full operating 13a. Replace the relay.
condition (back down and toe up);
actuate the doctor's bottom switch
and listen for a clicking noise. If
noise is heard, the relay is faulty.
13b. Remove the relay from the
13b. Replace the relay.
terminal A and B. If the reading
approaches infinity, the relay is bad.
MD0371
A-4