If your gas valve or water valves are not fully opened this could also cause the ignition to fail.
Bosch instant hot water heater problems.
Bosch online technical support form.
Inspect the water supply.
This is the place for troubleshooting problems with your gas tankless water heater.
This article details the specifications of how to solve a variety of problems that may happen with this bosch hot water heater.
Water is not hot enough.
How to troubleshoot a bosch tankless water heater no hot water.
Bosch can also recommend bosch accredited service technicians.
No hot water often related to the flame failure and no ignition water is too hot.
Error code a2 problem with the flue gas limiter.
Connect the supply line to the blue inlet on the water heater.
Easily identify and troubleshoot your issues with our parts diagrams pdfs.
Temperature being too hot or cold problems lighting the pilot or keeping it lit low pressure blockages noise pollution and many other things.
Gas tankless water heaters.
The burner is too noisy.
Examples of things that may go wrong are.
Tronic 3000 electric tankless point of use.
The bosch water wizard hot water services are being phased out of existence as majority of these units are 15 years old plus and have since been replaced with a new model.
Bosch heatronic 4000.
Bosch recommends that your water heater should have a full service safety and performance check carried out at least every 2 years by a qualified plumber gasfitter familiar with bosch hot water heaters.
Commercial controls sensors.
Problems with water flow.
Common tankless water heater problems hot water is not delivered instantly and other common tankless water heater problems are listed below.
Inspect the plumbing for restrictions.
Warranty labor request form.
Burner does not ignite.
Pipe joints should not be sealed with plumber s glue.
Zone sensor series r1.
Bosch can provide a checklist with recommended service criteria.
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.
Error codes are the indicators of the problems inside the water heater.
Often this issue is caused by the gas supply so check to make sure your propane tank is full before you do anything else.