Faultfinding - HTC 80 iD Manual

Faultfinding

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
The dust extractor will not start
The dust extractor stops after
starting
Poor performance
Poor filter cleaning
48
Cause/Action
- 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.
- 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.
- 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.
- 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
HTC 80 iD
1.1