To Next PageTo Next PageHow to fix Bosch Optiflow Professional GWH12 Water Heater error code EE?
If your Bosch Water Heater displays error code EE, it indicates that the modulating solenoid valve is disconnected. Check the solenoid connections. If the problem persists, contact an authorized service technician.
Why is my Bosch Optiflow Professional GWH12 showing error EF?
If your Bosch Water Heater displays error code EF, it means the wrong gas is connected. Call an authorized service technician.
What to do if my Bosch Optiflow Professional GWH12 shows error C7?
If your Bosch Water Heater displays error code C7, it indicates a faulty fan. Check if the fan is properly connected to the ECU. If the problem persists, contact an authorized service technician.
How to fix Bosch Optiflow Professional GWH12 Water Heater error code E4?
If your Bosch Water Heater displays error code E4, it means the air temperature sensor detects overheating, possibly due to leaking combustion products inside the combustion chamber. Switch off the power and remove the plug from the electrical socket. Do not try to restart the appliance. Call a service agent immediately.
What should I do if my Bosch Optiflow Professional GWH12 Water Heater shows error F7?
If your Bosch Water Heater displays error code F7, it means a flame is detected even though the appliance is switched off. Reconnect and restart the appliance. If the problem continues, contact an authorized service technician.
Why is my Bosch Optiflow Professional GWH12 Water Heater showing error A7?
If your Bosch Water Heater displays error code A7, it indicates a faulty hot water outlet temperature sensor. Check the temperature sensor and its associated connections.
What does error code CA mean on a Bosch Water Heater?
If your Bosch Water Heater displays error code CA, it indicates that the water flow is above the maximum specified value. Check the incoming water pressure.
How to troubleshoot Bosch Optiflow Professional GWH12 error code A0?
If your Bosch Water Heater displays error code A0, it indicates a damaged temperature sensor. Check the temperature sensor and its associated connections.
What to do if my Bosch Optiflow Professional GWH12 shows error FC?
If your Bosch Water Heater displays error code FC, it means that the buttons are stuck in a pressed position for more than 30 seconds. Release the button. If the problem persists, call an authorized service technician.
What does it mean when my Bosch Optiflow Professional GWH12 Water Heater indicates the temperature selected is too low?
If the Bosch Water Heater displays an indication that the temperature selected is lower than the minimum, increase the hot water flow or select a higher temperature. If the problem persists, contact an authorized service technician.
General| Type | Tankless |
|---|---|
| Capacity | N/A (Tankless) |
| Energy Source | Gas |
| Ignition Type | Electronic Ignition |
| Temperature Range | 35°C - 60°C |
| Weight | 10 kg |
| Gas Connection | 1/2 inch |
| Water Connection | 1/2 inch |
| Maximum Power | 24 kW |
| Hot Water Production Rate | 12 L/min |
| Water Flow Rate | 12 L/min |
| Protection Class | IPX4 |
| Maximum Inlet Water Temperature | 60°C |
| Minimum Inlet Water Pressure | 0.2 bar |
| Maximum Inlet Water Pressure | 10 bar |
| Fuel Type | Natural Gas |
| Voltage | 220-240V |
