HTC D60 - Troubleshooting

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HTC D60
www.htc-oorsystems.comV 1.0
9. Troubleshooting
This chapter describes some of the errors 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 electrical connections.
Check miniature circuit breaker.
Check power supply (does the LED light?).
Check circuit board fuse. LED lights red
when the fuse has blown.
The connected accessory does not work.
Is the symbol on the screen lit?
Check the voltage at the accessory.
Inlet valve constantly open/closed.
Check the ow on the outputs.
Check that it works manually.
See chapter 4, Dust ltration.
Check that the membrane in the valve is in-
tact.
Filter cleaning valve not working.
Check the ow on the outputs.
Is it sealed? Check using a vacuum pump.
Is the membrane intact?
The pump will not start.
Motor protection tripped. Error message ap-
pears on screen.
Error message appears on screen.
Open-circuit motor cable.