Novoferm N-423 Bedienungsanleitung Seite 74

6 Troubleshooting
DANGER
Hazardous voltage!
Fatal electric shock when touching live parts.
Always pull out the mains plug before working on the drive!
Malfunction
Door does not fully open / close. Door mechanics have changed.
After closing, the door opens
again slightly.
Drive does not move although
the motor is running.
Door does not respond to hand
transmitter pulses, but to pulses
from push buttons or other pulse
generators.
Door responds neither to hand
transmitter pulses nor to other
pulse generators.
Insufficient range of hand
transmitter.
Toothed belt or drive are noisy.
7 Diagnostic display
Value State
Drive starts up and "0"
goes out.
Garage door has reached
end position OPEN.
Garage door has reached
end position CLOSE.
72 - EN
Possible causes
Closing / opening force is set too
low. End position is set
incorrectly.
Door blocks just before reaching
the closed position. End position
is set incorrectly.
Drive is disengaged.
Hand transmitter battery is
empty. Antenna is missing or
misaligned. No hand transmitter
programmed.
See diagnostic display.
Hand transmitter battery is
empty. Antenna is missing or
misaligned. On-site shielding of
reception signal.
Toothed belt is dirty or over-
tightened.
Diagnosis / remedy
The drive receives a start pulse at the START input or via
a transmitter. Normal operation.
Remedy
Have the door checked. Correct
the force settings, see chapter
"menu 5 + 6". Have the end
position reset.
Remove the obstruction. Have
the end position CLOSE reset.
Re-engage the drive, see
chapter "Manually opening or
closing the garage door".
Replace the hand transmitter
battery. Plug in / align the
antenna. Program the hand
transmitter, see "menu 1".
See diagnostic display.
Replace the hand transmitter
battery. Plug in / align the
antenna. Connect the external
antenna (accessory).
Clean the toothed belt. Spray
with silicone spray (Do not use
oil-containing substances).
Relieve the toothed belt of
tension.