Troubleshooting error code E109 Navien Tankless Water Heater.

Navien Tankless Water Heater is flashing error code E109.
During the diagnostics I determined that there is water in the gas pipe that went through the gas valve and into the fan motor causing a area code E1O9.
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[@richyyaz]

The water in the gas pipe caused the error code E109. Fan motor malfunction.