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Errors


Boiler type Hydra Smart RTC-199

Error code Er:72

Cause:

Flame Signal Detected before Ignition

Solution:

This Error Code will go away when the condition is remedied.
If Error happens again:

- Check the water heater cover. Ensure it is secure. Flame detection sensor can detect an external light source.

- Check flame detection sensor. Ensure connections are secure. Normal operating settings are more than 2.5DC before ignition, less than 2.5DC after ignition.

- If the problem persists, replace the main control.