| LED Reading | CAUSE | SOLUTION |
|---|
| E81 | Transmission signal failure | • Reset the RCD, restart all over again.
• Place the control panel within 5 m (16 ft) of the control base unit.
• Press and hold POWER button for 5 seconds to turn off and charge the panel again.
• If problem persists, contact Intex Service Center. |
| E90 | No water flow | • Turn off and unplug the control unit.
• Ensure the outlet cover grid is clean and free from obstructions.
• Clean or replace the cartridge, see Maintenance and Storage section.
• Ensure the in/outlet connections on the spa tub and filter pump are not blocked.
• Keep the spa water properly sanitized to ensure a clean and unclogged filter cartridge.
• If problem persists, contact Intex Service Center. |
| E94 | Water temperature too low | • If the ambient temperature is below 4°C (39°F), we recommend not to use the spa.
• Turn off and unplug the control unit, add some warm water to raise the spa water temperature above 5°C (41 °F), then press the  button to heat up the water to the desired temperature.
• If problem persists, contact Intex Service center. |
| E95 | Water temperature too high | • Turn off and unplug the control unit. When the water has cooled down, plug the RCD and restart all over again.
• Turn the heater off, then press the filter and bubble buttons to lower the water temperature.
• If problem persists, contact Intex Service Center. |
| E96 | System Error | • Turn off and unplug the control unit. Plug the RCD and restart all over again.
• If problem persists, contact Intex Service Center. |
| E97 | Dry-fire Protection | • Contact Intex Service Center. |
| E99 | Water temperature sensor broken | • Contact Intex Service Center. |
| END | After 72 hours of continuous heating operation, the pump will hibernate automatically.
The rapid heating function is disabled. | • Press the  button to re-active the filter pump. |
| BLANK | Control panel battery has no power or in "Power Saving Mode" waiting to be placed on the control base recessed channel. | • Press any button to reactivate the control panel.
• Reset the RCD, restart all over again and charge the control panel again.
• Make sure the surface between the back of the control panel and the control base recessed channel is clean, dry and free of obstruction.
• If problem persists, contact Intex Service Center. |
