NX100 Alarm 1211

Hi,

This alarm is about safety door signals, if you have door lock check its signals, these signals go to a green board inside of the controller door .

Check the pins 3 , 4 , 5, 6.

If any wire connected to these pins, you must check their connection. Maybe the wires are disconnected or broken.

Also you can see the signal #80023, if the door is closed and it is locked, this signal must turn ON, if it is OFF when door is lock the problem is from wiring.

This fault is related to safety signal from door safety plug. Please check MXT board inside NX100 controller, this board is on bottom side of controller, check terminals number 9, 10 , 11 and 12.

In these terminal there is dual channel signal of safety door plugs.

Any one channel signal is getting break from field, either 24 V Or common singal.

You can verify by removing any one wire from above terminal of MXT card 9, 10, 11 and 12.

This alarm will come.

Please check field wiring of safety plug or any relay in circuit of safety plug signal is malfunctioning.

Please check MXT teminal, it is mounting inside the door of controller, check the pin that show SAFF1 and SAFF2. See the picture.

Check what wire are connected to this pins.

You can jump two pins for SAFF1 and also jump two pins for SAFF2. Check the alarm occur again or not. ( Do this work when controller is turned OFF)