Display shows dashes or blank segments, spa not responding

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Loose keypad ribbon cable on Villeroy & Boch control board, Failed topside display, Control board communication failure, Power supply issue to display

How to Fix / Troubleshooting

Safety: Turn off power at the breaker.

Check power: Verify that the spa’s breaker is on and not tripped.
Inspect keypad cable: Open the equipment bay and reseat the topside control panel ribbon cable on the control board.
Look for moisture: Check for water ingress around the topside panel and dry as needed.

If the display remains blank or shows only dashes, the keypad or control board may require replacement.

Repair Difficulty

Medium 3/5

Required Part

Topside Control Panel / Control Board

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