POTENTIOMETER ADJUSTMENT (continued):
8. After noting the position of the potentiometers, fully close the slide-out control cabinet.
This positions the door safety switch to close when the dishwasher door is closed.
NOTE:
The dishwasher will not operate if the control cabinet is pulled out because the door
safety switch will not be aligned with the door safety switch magnet located on the
lefthand corner of the machine door.
FILL POTENTIOMETER ADJUSTMENT: (Models UH-100B, UH-100, UL-100 Only)
The UH-200B, and UH-200 model dishwashers do not utilize the fill adjustment.
Fill is controlled by the water level probe on UH-200B and UH-200 models.
9. Turn power on at the main disconnect switch.
10. Push the POWER pushbutton on the touchpad/display. Machine fills automatically.
11. Open door and check water level inside the dishwasher.
• UH-100B, UH-100 water level should be halfway up the sloped angle of the handle
of the round scrap screen.
• UL-100 water level should be even with the top of the handle of the round scrap
screen.
12. If water level requires adjustment, refer to Section 2.4, Water Connections, pages 8-10,
and make sure supply connections meet specifications. Take any corrective action
required before making potentiometer adjustment.
13. Push POWER pushbutton to drain machine.
14. Turn off power at main disconnect, pull out control cabinet and turn Fill POT CW in
small incremental steps to increase fill time, CCW to decrease fill time.
15. Repeat steps 8-14, making small incremental changes to the setting until the proper
water level inside the wash tank is achieved.
!! OH NO !!
THE DISHWASHER HAS OVERFILLED
WHAT DO I DO NOW?
Perform the following if too large an adjustment has been made to the Fill POT and the water
level is higher than the top of the handle of the round scrap screen:
16. Turn the water supply off at the water shutoff valve for the dishwasher.
17. Push the POWER pushbutton OFF to drain the machine.
18. Push the POWER pushbutton ON, then immediately push POWER pushbutton OFF
to drain the machine again.
19. Turn main power off at the service disconnect switch.
20. Adjust the Fill POT CCW to reduce fill time.
21. Turn water supply on and begin fill adjustment procedure (steps 8-14) again.
Part 7:
SOLID STATE CIRCUIT BOARDS
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