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21. Controls
Service
manual
21
Sliding Door
Troubleshooting - Tilt
If the tilt function does not work:
1. The input cable P to the control box K should give a reading
of approximately 110V at 60 Hz or 220V at 50 Hz.
• If "Yes": If a reading of 110V/220V is given, check that there
is 110V on relay coils KA DOWN or KC UP; at the same time,
the tilt button on the control panel should be turned either to
the left or the right.
• Check glass fuse in control box K:
• Remove the plug and dismantle the control box.
• Remove the rear and replace the fuse with an equivalent
fuse
2. If "No": If no voltage (110V/220V) can
be read off on the input plug P, check
glass fuse F on the secondary side of
the transformer; in the event of a defect,
replace with an equivalent fuse.
General note!
When troubleshooting on tilt, rotation and
inverter systems
• Check loose cables/connections
• Check that all 7 or 8 (according to
equipment) small relays for tilt have a coil
voltage of 110V AC. If there is no pick-up,
they must be replaced.
If the tilting function fails in tilted position
See section 43: Cabinet.
110V 60HZ
220V 50HZ
P
Supply cable
KA
DO WN
KC
UP
A2 - A1
110V AC
Yes No
Check F
Fuse 1,5AT
Check K
Fuse
P
K
1
1
F
2
2
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