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MicroController Control System
Troubleshooting
PROBLEM 10
Tilt switch circuit defect.
POSSIBLE CAUSE
Tilt switch defect; Wiring defect; Logics defect.
CHECKS
Disconnect PD or PE connector. Pull tilt lever to maximum.
Check continuity from PD-2 to PE-5.
Continuity
No continuity
Replace tilt switch.
Check continuity from PD-2 of wire #44 to Pin1 of
valve board connector.
Continuity
No continuity
Check continuity of wire #89.
Continuity
No continuity
Repair or replace wire.
Repair or replace wire.
Replace logics.
Summary of Contents for B20S-3
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