
page 30
Test Instructions (only for the specialist!)
Trouble shooting
Fault Cause Remedy
No green light No voltage. Check mains supply.
on operation Check mains fuse F1.
lamp.
Thermal protection is activated. Allow motor to cool down.
Fault indicator Automatic cut-out set too sensitively. Adjust automatic cut-out to be less sensitive.
flashing "red" Door operation too sluggish. as per fig. 10c. Ensure door moves easily.
indicator 10 or 19 Door blocks.
Indicator 9 or 18 Two-way photocell revs/min. is defective. Replace two-way photocell revs/min.
Drive operates
w/o self-hold.
No function Defective electronics Disconnect drive unit from the mains. Remove electronic
circuit boards and have them tested.
No reaction Connecting terminals for "impulse" button Isolate wired key switches or push buttons by way of
on impulse bridged, e.g. due to short-circuit or wrong trial and look for wiring fault.
terminal connection.
12
Ausgabe 09.99 HF 83 704 GB / M. 0,5 Stand 12.96
EN 55011
EN 50081
EN 50082
ETS 300220
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