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HEIDENHAIN TNC 306 Service Manual User Manual

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SERVICE MANUAL TNC 306/360
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HEIDENHAIN Service

Screen Display (blinking error message)

Error Cause

MEASURING SYSTEM
DEFECTIVE A

MEASURING SYSTEM
DEFECTIVE B

MEASURING SYSTEM
DEFECTIVE C

A = Signal amplitude error

B = Signal frequency error

C =Error with distance-coded scales

Possible Reasons:
- Encoder not connected
- Cable damaged
- Glass scale contaminated or damaged
- Scanning head defective
- Encoder monitoring system defective

(CLP board)

Encoder check: see section 11.3

Notes

This manual is related to the following products: