8. Troubleshooting
8.2 Faults
This chapter provides detailed information on the following
subjects:
Possible faults and their removal
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8.2.1 Possible faults and removal
The double drive does not work
Possible cause
The power supply
Connect the mains supply.
cable is not plugged
in.
Drive system
Contact your supplier / dealer
defective
Handset /
Replace the handset / transmitter.
transmitterdefective
The double drive suddenly cannot be adjusted anymore
Possible cause
The power supply
Connect the mains supply.
cable is not
plugged in.
The emergency lowering function cannot be activated
Possible cause
9V block battery
Check the 9V block battery and
flat
replace it if necessary.
9V block battery
Connect the 9V block battery.
not properly
connected
Remedy
Remedy
Remedy