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Installation and Operation Manual
4 4 . . 3 3 . . R R e e m m o o v v a a l l o o f f m m o o u u n n t t i i n n g g c c l l i i p p s s
Use a flat blade screwdriver (2) as shown to remove the
mounting clips (1) from the sensor holder. The clips cannot be
reused. A second pair of mounting clips (1) is included with
each IMS 100. Spare mounting clips are available.
4 4 . . 4 4 . . P P r r o o b b l l e e m m c c h h e e c c k k l l i i s s t t
Problem / Situation
No function, door open
Door constantly open
No person or object mov-
ing in the IMS 100 detec-
tion area
Door closing although
person or object in the
IMS 100 detection area
Random door openings
© CEDES/April 2014
What to check?
Power supply good?
Power wire broken?
Defective power line converter?
Are the light curtain and IMS 100 connected correctly?
Is the IMS 100 aligned towards the hall?
Is the relay connected correctly (COM, NO, NC)?
Position of IMS 100 inside elevator cab transom within the tolerance?
Does IMS 100 sensor optically influence the light curtain?
Dirty sensors?
Excessive EMC interference e.g. from door drive or fluorescent lamps?
Are the light curtain and IMS 100 connected correctly?
Is the relay connected correctly (COM, NO, NC)?
Is the alignment done properly?
Position of IMS 100 inside elevator cab transom within the tolerance?
Dirty sensors or vision shields?
Excessive EMC interference e.g. from door drive or fluorescent lamps?
Do the sensors influence each other?
Dirty sensors or vision shields?
Excessive EMC interference e.g. from door drive or fluorescent lamps?
Damaged cable to the sensors, check for break in the cables by moving the
cable by hand?
Interference with other infrared sensors with the receiver directly or via mirror-
ing from shiny surfaces?
Sufficient current supply from the used power supply (> 200 mA)?
www.cedes.com
1
IMS 100
2
Refer to
Section 3.3.2
Section 3.3.2
Section 3
Please refer to
light curtain
manual
Section 3.3.2
Section 3
Section 4.2
Please refer to
light curtain
manual
Section 3.3.2
Section 3
Section 4.2
Please refer to
light curtain
manual
11
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