Flush the Dump Valve -Video- https://www.ultraoptics.com/Files/UltraOptics/Video/Cleaning%20Out%20Dump%20Valve%20All%20Machines.mp4
Replace Dump Valve
Verify Dump Valve is getting 120 V from the coater.
Check Keyence- when wash prime is on, light 5 (top row) and 7 (Bottom row) should illuminate. During a wash cycle, light 7 (bottom row) will quickly blink once the wash is complete and drying begins.
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