What happens if there is a failure in the heat exchanger outlet NTC of my Bosch GWI-N?
A warning will appear on your Bosch Water Heater. This will self reset when conditions are corrected. Note: this error only exists in outdoor GWH16/20/26 models.
Why is there insufficient air flow at start up in my Bosch GWI-N?
If the Bosch Water Heater detects insufficient airflow at start up and you have Software Version AF1112, the burner will lockout or shutdown, but it will self-reset when you close the water. If you have Software Version AF1113, the burner will lockout or shutdown, and you'll need to manually reset it.
What to do if the fan is unplugged in my Bosch Water Heater?
If the fan is unplugged or there is no detection of rotation/speed signal from the fan in your Bosch Water Heater, a lockout will occur. To reset, close the water.
What happens if my Bosch Water Heater gets too hot?
If the hot water outlet sensor detects an over-temperature (T > 85ºC) in your Bosch Water Heater, a warning lockout will occur. The system will self-reset when the temperature drops below 60ºC.
Why does my Bosch Water Heater show a water flow signal over the maximum value?
If the water flow signal exceeds the specified maximum value (flow > 25 l/min) in your Bosch Water Heater, a warning will be issued. This will self-reset by reducing the water flow.
What does it mean if the bypass valve is damaged on my Bosch Water Heater?
If the bypass valve is damaged or disconnected in your Bosch Water Heater, a warning will be issued only if the bypass valve is activated. Note that this error only exists in outdoor GWH16/20/26 models.
What happens if the modulating solenoid is disconnected in my Bosch GWI-N?
If the modulating solenoid is disconnected in your Bosch Water Heater, the system will self-reset when the issue is resolved.
What to do if my Bosch GWI-N Water Heater detects high temperature inside the box?
If a high temperature is detected by the NTC inside the box (T box > 70ºC) in your Bosch Water Heater, a warning will be issued. Reset the system by closing the water.
What does it mean if both inlet and outlet NTC temperature sensors are damaged on my Bosch GWI-N Water Heater?
If both the inlet and outlet NTC temperature sensors are damaged (open/short circuit) in your Bosch Water Heater, a lockout will occur, requiring a manual reset.
What happens if the Air Box NTC temperature sensor is defected in my Bosch GWI-N?
If the Air Box NTC temperature sensor in your Bosch Water Heater is defected (open or short circuit), a lockout will occur. This will self-reset when the conditions are corrected.
General| Model | GWI-N Series |
|---|---|
| Power Supply | Electric |
| Phase | Single |
| Type | Tankless |
| Temperature Range | 30-55°C |
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