Bosch Greenstar Owner's Manual
Table Of Contents
- Contents
- 1 Key to symbols and safety instructions
- 1.1 Key to symbols
- 1.2 Safety instructions
- 2 Information about the appliance
- 3 Preparing the appliance for operation
- 4 Operation
- 4.1 Overview of controls
- 4.2 Switching the appliance ON/OFF
- 4.3 Turning the space heating ON
- 4.4 Programming the heating control unit
- 4.5 ZBR..-3A appliances with DHW tank: Setting the DHW temperature
- 4.6 ZWB..-3A appliances (combi boilers): Setting the DHW temperature
- 4.7 Setting manual summer mode
- 4.8 Setting frost protection
- 4.9 Activating the key pad lock
- 4.10 Display codes
- 5 Thermal disinfection
- 6 Energy saving tips
- 7 Troubleshooting
- 8 Maintenance
- 9 Environmental responsibility/disposal
- 10 Quick reference
- Index
26 | Troubleshooting
6 720 806 993 (2013/03)Greenstar
7 Troubleshooting
The Heatronic boiler control monitors all safety and control components.
If a fault arises during operation, an audible warning tone sounds.
The display indicates a fault code (e.g. ) and the reset button may also be
flashing.
If the reset button is flashing:
▶ Press the reset button and hold it until appears on the display.
The appliance starts up again and the current supply temperature is displayed.
If the reset button is not flashing:
▶ Switch the appliance OFF and ON again.
The appliance starts up again and the current supply temperature is displayed.
If the fault persists:
▶ Contact a trained and certified heating contractor for assistance, providing
details of the fault code and the appliance type and serial number.
Press a button to mute the warning sound.
An overview of the display codes can be found on page 22.