Possible Cause | Possible Solution |
A circuit breaker at
service panel is off or tripped. | Reset the circuit breaker. |
Incorrect wiring | Correct the wiring. |
Display board inter-connect
cable is not plugged into the power supply board properly. | Plug in the display board
cable. |
115/230 VAC switch in the wrong
position | Switch off the power, set
switch to the correct setting, and then switch on the power. |