Hired-Hand System 500 Power Curtain Controller - Manual (Page 24)

System 500™ Power Curtain™ Controller 22
10.4. A Stage not working correctly
16. Check and make sure that the controller is calling for stages to be on by observing the display.
17. Make sure that the switch on the contactor panel is not in the off position.
18. Make sure that the stages power is on in the breaker panel.
19. Check to see if you can turn the stages on and off with the toggle switches on the front of the
contactor panel.
20. Check the voltage on the IN terminal of the System 500™ board.
10.5. If Stages are not working at all
21. Check fuse on the System 500™ board labeled F1. Make sure you are reading 12VDC on both sides
of fuse. Fuse should be a 2amp mini fuse.
22. Check to make sure that the WHITE wire that connects all contactors is not disconnected.
23. Repeat steps 16-20.
10.6. If Variable Speed unit is not working at all
24. Check fuse in the External Variable Speed Unit F1. Fuse should be a 15amp mini fuse.
25. Make sure breaker is not tripped.
26. Make sure that the External Variable Speed Unit is getting voltage on the IN terminal.