Steris 4085 - Page 100

5-5
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19. Table has longitudial mechanical
play.
• Check lash in rack and
pinion gear system.
• Check tension in pinion
drive chain.
• Bad slide motor.
• Replace slide motor assembly.
• Adjust table for minimum lash.
20. Table does not translate when
ordered.
• Problem with slide
mechanism.
• Check slide motor voltage.
• Check pinion gear drive chain (if motor
is functioning).
• Inspect for jamming of gear system
(motor not operating).
• Replace slide motor and/or slide control.
21. One articulation is not operating.
• Bad solenoid coil or valve. • Swap coil electrical plug with one known
to be good.
• Replace bad coil or harness.
22. One floor lock is not operating.
• Internal leak in foot
cylinder or floor lock
manifold.
• Replace floor lock cylinder.
• Replace floor lock manifold.
23. Table articulation drifts or is
spongy.
• Spool valve failure in main
manifold.
• Contaminated hydraulic
fluid.
• Trapped air in hydraulic
system.
• Hydraulic pump
introducing air into
system.
• Check hydraulic fluid level.
• Flush hydraulic fluid.
• Bleed air from system.
• Replace main valve manifold.
• Repair hydraulic leak or replace pump.
24. Self-Compensating floor locks
extend fully lifting table off all four
casters.
•Pressure switch D2 (or P2)
failure.
• Floor lock harness faulty.
• Floor lock control board
faulty.
• Table control board
faulty.
• Replace floor lock harness.
• Replace pressure switch D2.
• Replace floor lock control board.
• Replace table control board.
Table 5-1. Troubleshooting Guide (Cont’d)
Situation Cause Service Instructions