ELK M1 wired sensor - Short(-)

Charlescz

New Member
Hi guys,  newbie here. 
 
I am starting to play with ELK M1. I have a  few wireless sensors working great...   I tried to wire one sensor and I am getting Short(-) state in RP with )  0.0 Volts. 
Sensor (Honeywell IS3035) is detecting motion fine.  
 
Is the wiring wrong?  Is the configuration wrong?    I have it all on the bench just for testing and I have removed EOL resistor because I wanted to eliminate it for troubleshooting. 
 
I bet it is something simple and obvious I am missing. 
 
 Thanks, Charles
 
 
See pictures for wiring and RP configuration.
 
RP:
https://drive.google.com/file/d/19eVLAlo2Nptx0PfMP0KM7bRrXc15Qrtq/view?usp=sharing
 

Sensor wiring:
 
https://share.icloud.com/photos/0hdtmO6j9-4gxu5RsyriGOs_w
 
Zone wiring
 
https://share.icloud.com/photos/05COJjxoSEbuvZsn-kv7criNQ
 
+VAUX
 
https://share.icloud.com/photos/0D0HQM4Np5UA7ioVT1WsVdR2g
 
 
I'm unable to see your picture of the RP configuration.  It says "need access."
 
Do you have the zone type set to EOL or Normally Closed?  If you've got it set to EOL and you removed the EOL resistor, then the panel will think it is shorted.
 
@RAL,  sorry about that. I have made adjustment so it should be available now. 
 
https://drive.google.com/file/d/19eVLAlo2Nptx0PfMP0KM7bRrXc15Qrtq/view?usp=sharing
 
I have added another sensor, also without EOL resistor and both of them show status "Normal"  and state "Short"  in RP when there is not motion (0V).  Zones are setup as normally closed. 
 
Both sensors detect motion and  then show status "Violated" and state "Open" with voltage 13.7V
 
What am I doing wrong? 
 
PS:  Apparently I am too new to make more than 1 post a day so I won't be able to respond for another 24h.   
 
 
 
 
 
RAL said:
I'm unable to see your picture of the RP configuration.  It says "need access."
 
Do you have the zone type set to EOL or Normally Closed?  If you've got it set to EOL and you removed the EOL resistor, then the panel will think it is shorted.
 
Charlescz said:
@RAL,  sorry about that. I have made adjustment so it should be available now. 
 
https://drive.google.com/file/d/19eVLAlo2Nptx0PfMP0KM7bRrXc15Qrtq/view?usp=sharing
 
I have added another sensor, also without EOL resistor and both of them show status "Normal"  and state "Short"  in RP when there is not motion (0V).  Zones are setup as normally closed. 
 
Both sensors detect motion and  then show status "Violated" and state "Open" with voltage 13.7V
 
What am I doing wrong? 
 
PS:  Apparently I am too new to make more than 1 post a day so I won't be able to respond for another 24h.   
Ok, I can see you RP photo now.
 
For a zone type of Normally Closed,  the state of "short" in the RP status window is correct when the detector contact is closed.
 
Have you tried triggering the Zone 1 contact to see if it changes?   If it doesn't, then you might have a real short in your wiring.
 
To check, disconnect both ends and use an ohm meter to measure the resistance between the two conductors of the cable. It should read open.
 
The next thing to do (if you haven't already) is to test the motion detector contact with an ohm meter to see if it really opens and closes when motion is present.
 
One last thing to try is to move the cable from the zone 1 inputs to another zone to see whether that makes a difference.  A bad zone input is always a possibility.
 
I guess it is working as it should without EOLR. The main reason I tried it without the resistor is that I had issue while using EOLR. 
 
The motion sensor would stay in Violated status and state would alternate between Short(-) and EOLR (=). 
 
I just realized that I had two different types of resistors in the bundle and I have used 820 Ohm resistor instead of 2200 Ohms. Learning can be painful sometimes..
It is good to check the manual.  
 
  @RAL,  thank you for your help. 
 
Glad you got it figured out.   Using the wrong value EOL resistor will definitely cause trouble, as you've discovered.   It's a learning experience everyone goes through, and making mistakes is how we learn.  Doing a bench test first is the right approach.  It's so much easier to find problems there rather than running back and forth through the house making changes and re-testing things.
 
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