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