Trouble Shooting - Cedes UPS Plus Installation And Operation Manual

Universal Power Supply Plus (UPS Plus)
7.

Trouble shooting

Fault / Problem Action
Door remains Is the power supply OK?
 Measure the main power on the connector. The main power must be 20 ... 265 VAC or
open; green and
orange LED OFF
 Check the power LED (green) on the UPS Plus.
Is any wire broken?
 Measure and check the main power cables.
Door remains Is the sensor correctly connected to the UPS Plus?
 Make sure that the sensor cables are connected to the 6 pin connector of the UPS Plus.
open; protective
Is the grounding (PE) connection faulty?
area is free
 Make sure that the grounding (PE) is connected to the UPS Plus.
Is there excessive EMC interference e.g. from door drive?
 Do not guide the connection cables of the optical sensor close to cables carrying high voltage
Is there excessive light interference e.g. from fluorescent lamps?
 Do not install the receiver part of the optical sensor directly exposed to light sources such as
If a light curtain is connected:
It is important that the active parts of the emitter and receiver units are mounted so that they
face each other. The active sensor part is the side with the black round lenses.
Are the sensors or vision shields dirty?
 The active sensor part is the side with the black round lenses. Make sure that the black lenses
 Make sure that the vision shields are not painted or scratched.
Is any beam interrupted?
 Make sure that no object blocks the light path between emitter and receiver while the door
Are the edges incorrectly aligned?
 The optical axis of the emitter (Tx) and the receiver edge (Rx) need to be aligned towards
Random door Is the sensor cable damaged?
 Check for breaks in the cables by feeling the cables by hand.
openings
Is there any interference with the emitter from other infrared sensors (either directly or via
mirroring from shiny surfaces)?
 Avoid interference from blinking lights or infrared light sources such as photo cells or other
 Reflective surfaces near or parallel to the safeguarded area can cause reflections.
If a problem persists, please contact your local CEDES representative. Visit www.cedes.com for contact data.
8
20 ... 375 VDC.
and/or high current. The cables should also be mounted as far away as possible from the
door drive motor or motor inverter (VVVF-drives) to avoid EMI problems.
FL tubes or energy-saving lamps.
are clean and not painted or scratched.
is open and while the door is closing.
each other to ensure the light curtain functions reliably.
optical sensors.
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