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OP7 Operating Panel
OP7 Operating Panel shows blank screen and does not go into programing mode
By Rajendra on 3 July, 2017 - 3:14 am

Hi,

My OP7 is showing blank screen and is not going in transfer or Programing mode. no key is working. when i power up with 24V supply, the OP7 gets ON, the LCD gets ON, but no text, no message appears and also the OP7 does not go in any mode.

What should i check? Kindly. I need immediate reply.