HTC 80 iD, Manual

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Faultfinding HTC 80 iD
48 1.1
7 Faultfinding
This chapter describes some of the faults that may occur and how to deal with them. If
the error cannot be corrected, or if errors arise other than those described here, contact
your nearest retailer. See Contact Information at the front of the manual.
Symptoms Cause/Action
The dust extractor will not start - Check whether the light on the keypad is lit; this
indicates that the motor protection has tripped.
- Check that the connection to the mains supply is
correct.
- Check the fuses and earth fault breaker on the mains
supply.
- Check that there is voltage on all phases.
- Check the dust extractor's fuses.
The dust extractor stops after
starting - Can be due to something blocking the airflow. Check
hoses, filters etc. (Maintenance, page
31 ).
- Check the fuses and earth fault breaker on the mains
supply.
- Check that there is voltage on all phases.
- Check the dust extractor's fuses.
Poor performance - Can be due to something blocking the airflow. Check
hoses, filters etc. (Maintenance, page
31 ).
- Can be because the vacuum system is not airtight.
Check seals, hoses, filters, valves, faulty Longopac,
(Maintenance, page
31 ).
- Check that there is voltage on all phases.
Poor filter cleaning - The vacuum system leaks and for this reason does
not build up sufficient negative pressure. See Poor
performance above.
- The sliding valve isn't closed