Jeio tech OV-11 Service Manual page 23

1-5. Current leakage
Classification
Noise
Circuit breaker activates
1. Check fuse status first.
2. Disconnect wiring on Heater contacts
Check point
3. Measure resistance value on Heater surface and contact by using TESTER.
If fuse blow and, any resistance is measured the heater is leaking..
- Replace heater..
1. "2-1-8. Heater disassembly" Reference
Solution
(When replacing Heater, Do not disassemble Chamber Jacket ,and Chamber)
2. The assembly is reverse order of disjointing.(Be sure to check Heater resistance before finishing)
Classification
Noise
Circuit breaker activates
1. Check FUSE first..
2. If Fuse blows, replace with a new one..
Check point
3. Measure resistance on Main plug and Ground.
If any resistance is measure, the wire insulation is error.
Solution - Replace wire connection. (Refer to "2-2-9.")
Symptom
Symptom
- 23 -
Service Factor
Heater leakage
Service Factor
Wire insulation error