[Richard]

Progress!

Slides aren’t moving because solenoids aren’t getting voltage to open them.

So, they aren’t getting voltage because the HWH brain doesn’t think they should meaning the switches aren’t made to satisfy the control logic. Or, the circuit for the retract is inop. Did you look for the retract solenoid fuse? You have to take two screws out of the circuit board and pivot it out to see the fuses.

There will be two light on each board for each operation. One light(yellow I think) lights up when the brain is sending a signal to the circuit to operate. The second light (red) lights when the relay is sending power to the solenoid. These are not the lights in the indicator box, these lights are on the board itself.