Troubleshooting

Viron gas pool or spa heater not igniting? Learn the most common causes of ignition faults, what to check, and when professional service is required.

Viron gas heater showing an F7 error? Learn what the F7 code means, common sensor-related causes, and when professional service is required.

Is your Viron gas pool or spa heater overheating or short cycling? Learn the common causes, how to fix flow issues, and when professional service is needed.

Viron gas heater showing an F6 error? Learn what the F6 code means, common airflow and fan-related causes, and when professional service is required.