Raypak Display or User Interface Failure

Raypak heat pump display is blank or unreadable, but the unit still seems to run.

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

Failed LCD/LED display, Loose ribbon cable, Low control voltage, Water intrusion into display panel

Safety first: Turn off power before removing the front panel or display module.

Check control fuse: Inspect any low‑voltage or control fuses on the main board and replace if blown with the same rating.
Inspect ribbon cable: Ensure the cable between the display and main board is fully seated and undamaged.
Look for moisture: Dry any condensation or water inside the display housing and improve sealing if necessary.
Replace display module: If the unit operates but the display remains blank, replace the Raypak display/keypad assembly.

Medium 3/5

Keypad and Display Assembly

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