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The control senses no flame after three ignition attempts.
- Is the gas turned on to the water heater?
- Manually reset the water heater.
- Observe water heater operation. If fault code occurs again:
- Check for stable gas pressure.
- Check ignitor cable connections.
- Check ignitor cable ground.
- Replace cable.
- Check spark gap between spark electrode and burner.
- Replace ignitor.
