What to do if thermal disinfection failed in Bosch Control Unit?
If thermal disinfection failed, select a time for thermal disinfection to avoid overlapping with additional heat requirements. The high draw-off rate during the thermal disinfection period can also cause the problem, so avoid overlapping with additional heat requirements. If the problem persists, call service.
How to fix a dark display on my Bosch Control Unit?
If the display on your Bosch Control Unit is dark, it could be due to several reasons: the heating system emergency stop switch might be off (switch it on), the control unit itself might be switched off (switch it on), the control unit safety equipment may have been triggered (push in the pin), or a safety device has been triggered (check the circuit breaker).
What to do if DHW remains cold with Bosch Control Unit?
If the DHW (Domestic Hot Water) remains cold when using your Bosch Control Unit, there might be a few potential causes. The cylinder primary pump could be faulty, so check if the function is set to Auto. Alternatively, the FM-MW module might be defective; in this case, check the function of the temperature sensor and the primary pump. It's also possible that more DHW is being used than heated; if this is the case, consider replacing the module or control unit.
Why is the flue gas temperature too high on my Bosch Control 8313 Control Unit?
A high flue gas temperature in your Bosch Control Unit can be caused by a soiled heat source (clean the heat source) or a faulty flue gas temperature sensor (check sensor connection and function).
What to do if my Bosch Control 8313 says 'Maintenance interval expired'?
Have maintenance carried out by an approved heating contractor. The automatic maintenance message remains active until it is reset.
What does it mean when the use of control unit address 0 is blocked on a Bosch system?
If the use of control unit address 0 is blocked on your Bosch system, it indicates that the rotary encoder on the rear of the user interface is addressed incorrectly. Check the position of the rotary encoder: Position 0 is for the master control unit (only 1 CBC-BUS node exists), and Position > 0 indicates that an additional CBC-BUS node exists.
How do I fix a wrong connection for the flue gas shut-off valve EMS on my Bosch Control Unit?
If you have a 'Wrong connection for flue gas shut- off valve EMS' error on your Bosch Control Unit, it means the flue gas damper is incorrectly connected. Connect the flue gas damper to the SAFe.
What does 'xxx °C' mean on my Bosch Control Unit display?
If your Bosch Control Unit displays 'xxx °C', it indicates that a sensor is either not installed, defective, or outside its measuring range. Check the sensor and sensor port. The module itself could also be faulty. Replace the sensor if necessary, and if that doesn't resolve the issue, replace the module.
What should I do if the SI 1 Safety Device is triggered on my Bosch Control 8313 Control Unit?
If the SI 1 Safety Device is triggered on your Bosch Control Unit, it indicates that the safety equipment in the safety chain has responded, so check the safety equipment. It could also mean that the high limit safety cut-out has responded; find the cause of this trigger, and check the control unit functions. The control unit itself might be faulty, so remedy the cause.
What causes a defective heat source return temperature sensor in Bosch Control 8313 Control Unit?
A defective heat source return temperature sensor in your Bosch Control Unit can be caused by the temperature sensor being incorrectly connected or faulty, so check the sensor port. It could also be due to a faulty ZM5313 central module or the control unit itself. If this is the case, replace the boiler water temperature sensor or central module.
General| Product type | Control Unit |
|---|---|
| Operating voltage | 24 VDC |
| Operating Temperature | -20 °C to +60 °C |
| Series | Control 8000 |
| Communication interface | CAN |
Explains signal words and symbols used for warnings and indicators.
Provides essential safety instructions for users, covering general safety, spare parts, and electrical safety.
States the product's conformity with European Directives and its CE designation.
Details the proprietary and open-source software included in the product.
Presents product data related to energy efficiency as per EU regulations.
Defines key terms such as "heat source", "qualified person", and "contractor".
Describes the Control 8311 and 8313 units, their features, and capabilities.
Specifies the intended application of the control unit for heating systems in various buildings.
Provides a visual overview and identification of all physical control elements on the unit.
Explains the function keys and how system status is displayed via LEDs and indicators.
Describes the procedure to turn on and initialize the control unit for operation.
Details how to activate and use the screen lock feature with a password for security.
Explains the various displays and elements accessible via the touch screen interface.
Describes the menu structure and navigation principles for operating the control unit.
Explains how to access and select specific menu levels and functions using the touch screen.
Instructions on how to access submenus for specific system components.
Explains how to switch to older display views for compatibility.
Details how to change various parameters and settings via the touch screen interface.
Describes how to add custom labels to text fields for identification.
Identifies and explains the purpose of the physical function keys on the control unit.
Explains how to use the reset button for unlocking faults and resetting functions.
Details the procedure and precautions for performing a flue gas test.
Explains how to operate system components manually and the associated risks.
Guide on how to adjust the system's date and time settings.
Explains how to access and view information about the installation or system.
Details how to select and manage multiple control units within the system.
Describes the power supply module, its components, and safety features.
Explains basic settings like operating mode, time programs, and DHW settings.
Introduces advanced functions for heating circuits, such as Party, Pause, and Holiday.
Covers advanced settings for DHW functions like circulation pumps and thermal disinfection.
Explains operating modes for the heat source, including Auto and Manual.
Details the different operating modes available for the heat source.
Describes operating modes and temperature settings for heating circuits.
Explains how room temperature is set and displayed.
Explains the Automatic heating mode and its temperature settings.
Describes the Automatic setback mode and how to adjust its time program.
Details manual heating and setback modes and how they are set.
Covers advanced functions like Party, Pause, and Holiday for heating circuits.
Details how to set and manage the holiday function for heating circuits.
Explains the Party function for temporary heating at a higher temperature.
Describes the Pause function for operating in setback mode.
Explains the functionality and use of the optional remote control.
Introduces the functions and settings related to domestic hot water (DHW).
Explains the Auto operating mode for DHW heating based on the time program.
Details how to set DHW temperature in manual heating mode.
Describes setting DHW temperature in manual setback mode.
Covers setting time programs for individual heating circuits.
Explains how to set the room temperature for heating or setback modes.
Introduces time programs for automatic operation changes and customization.
Guides on choosing and applying pre-defined time programs.
Details how to adjust existing standard time programs.
Explains the process of creating custom time programs.
Describes how to create and set time programs specifically for DHW heating.
Instructions for establishing an internet connection and accessing the remote portal.
Guides on registering the control unit to access the Buderus Control Center Commercial.
Details the login process for the Bosch MEC Remote Portal after registration.
Explains how faults are indicated and how to view the error display.
Lists common faults and their potential causes and remedies.
Provides steps to resolve common faults and errors displayed by the unit.
Information on the company's participation in recycling and material compatibility.
Guidance on dismantling and recycling used appliances.
Details disposal regulations and environmental considerations for electronic waste.
Information about data processing, GDPR compliance, and contact details for privacy.
Instructions for assigning heating circuits to specific system components.
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