Bosch Propane Tankless Water Heater Troubleshooting

Easily identify and troubleshoot your issues with our parts diagrams pdfs.

Bosch propane tankless water heater troubleshooting.

Open the cold water supply and put a container underneath to check the water. When the error code appears on the bosch heater s lcd display the reset button sometimes leads to an error removal but if it doesn t work the instructions below might help troubleshoot the problem. This can slow the flow within the tankless water heater decreasing it below activation point which shuts off the burners. Bosch online technical support form.

How to troubleshoot a bosch tankless water heater no hot water. Flush the water heater you can connect the garden hose to the tankless water heater drain outlet near the base. Shut off the cold water supply and disconnect the hot water supply. After that flush the sediment from the water heater bottom by opening the drain spigot and ensuring the water flows until it is clear.

Error codes are the indicators of the problems inside the water heater. Inspect the water supply. Put the other end of the garden hose near the floor drain or in a larger basket. In the event of any temperature instability with the use of a temperature balance shower valve refer to shower valve manufacturer s instructions for internal adjustment setting.

Problems with water flow. Check that the water pressure of the unit is above 30 psi if it s not you can do the following test to check the flow rate. Warranty labor request form. Connect the supply line to the blue inlet on the water heater.

Error code a2 problem with the flue gas limiter.