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robinsonsarahSep 12, 2025
What causes an internal error on my Buderus Controller?
- JJames RichardsSep 12, 2025
If you're seeing an internal error, it indicates an internal runtime error in RC35. The suggested solution is to replace RC35.
What causes an internal error on my Buderus Controller?
If you're seeing an internal error, it indicates an internal runtime error in RC35. The suggested solution is to replace RC35.
How to resolve 'Two master operating units in system' error on my Buderus Controller?
The 'Two master operating units in system' error occurs because both RC2x and RC35 are logged on as master. To fix this, change parameter P1 in RC2x or remove RC35 from the EMS BUS.
General| Communication | EMS bus |
|---|---|
| Compatibility | Buderus heating systems with EMS bus |
| Mounting | Wall mounting |
| Control functions | Time programs |
| Storage temperature | -20°C to 60°C |
Defines warning symbols and keywords indicating risk levels.
Provides critical safety guidelines for appliance installation and operation.
Addresses common issues and provides explanations for system behavior.
Explains how to interpret and respond to system error and service notifications.
Describes the procedure for resetting the system to clear faults.
