40 _ Troubleshooting
Check
code
Display
Check
code
Recall
When occur
Symptom
Possible Causes
No
display
7C
Case1)
When the reset position sensing for 10 seconds, vane motor
1 sec Off and re-operation.
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Case2)
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code occurs after retry three times.
Case3)
Vane position is the time from initial position to initial position
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going remained cycle.
- If while Distribute motor driving, detect the Vane
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remained cycle.
- During Remained cycle, no operating Vane
anymore.
- Motor gear is out of order.
- Sensor vane is out of order.
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