1) please exchange the batteries for new ones. 2)adjust the sensor reed switch.attache the diagram 3) Tight the flexible cable from keypanel vs display board.4)Tight the connector from display board vs lower board. 5) Test+5Vdc coming from power supply , see if there are some componets,resistor, capacitor, diode or transistor, burn or some bad solder, resolder. 6)After you measure the +5vdc coming from power supply see if coming to motor controller board and then display board.
Attached the block diagram for better understanding and diagnostic foryourself. sincerely. Merry Christmas.
Answers & Comments
1) please exchange the batteries for new ones.
2)adjust the sensor reed switch.attache the diagram
3) Tight the flexible cable from keypanel vs display board.4)Tight the connector from display board vs lower board. 5) Test+5Vdc coming from power supply , see if there are some componets,resistor, capacitor, diode or transistor, burn or some bad solder, resolder.
6)After you measure the +5vdc coming from power supply see if coming to motor controller board and then display board.
Attached the block diagram for better understanding and diagnostic foryourself.
sincerely. Merry Christmas.
ernesto cuadra
managua, nicaragua.