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Topic starter
31/10/2012 7:58 pm
I have a Otis Lift with NE 300 Gamma D controller, the problem we are facing is that the lift lands at the top most floor, the door opens and then it doesn't close, once we off and on the lift it runs normally for hours and then again it stops at the top floor and we will have to reset it.
We looked into all the possibilities like changing the leveling inductor, changing the travelling cable etc...
Any one please look into it and give me reply
Topic starter
01/11/2012 2:50 pm
Originally Posted By: Kiran
I have a Otis Lift with NE 300 Gamma D controller, the problem we are facing is that the lift lands at the top most floor, the door opens and then it doesn't close, once we off and on the lift it runs normally for hours and then again it stops at the top floor and we will have to reset it.
We looked into all the possibilities like changing the leveling inductor, changing the travelling cable etc...
Any one please look into it and give me reply
11/11/2012 6:48 am
do u have a service tool ? what does it say ? is the top normal switch breaking ? all u do is reset mainline and it goes back into service right?
11/11/2012 8:40 am
Its not missing a signal travelling up shaft?
What type of counting system doesnt it use?
Topic starter
11/11/2012 4:42 pm
Thanks for your reply.
All the switched are functioning normally, it doesent happen frequently
Topic starter
11/11/2012 6:06 pm
While this fault is taking place, the IPU relay on the PCB doesnt function