Heater displays F8 and will not respond to keypad inputs.

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

Damaged keypad membrane, Loose ribbon cable to main board, Water ingress into control panel, Faulty display board

Safety first: Turn off power before removing the front control panel.

Inspect keypad area: Look for signs of water intrusion, cracked display lens, or physical damage to buttons.
Check ribbon cable: Ensure the flat cable from the keypad/display to the main control board is fully seated and not pinched.
Dry out moisture: If condensation is present, gently dry the area and allow the heater to sit powered off until fully dry.

If F8 persists, the keypad/display assembly may need replacement.

Medium 3/5

AstralPool Keypad and Display Assembly

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