Buderus Logamatic 4321 - Correcting Faults and Troubleshooting; Overview of Potential Faults

Correcting faults and troubleshooting
11
Logamatic 4321/4322 - Technical specifications are subject to change without prior notice.
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11 Correcting faults and troubleshooting
Have all faults remedied by your heating contractor
immediately.
All system faults are displayed on the MEC2 remote
control.
Report the fault by telephone to your heating contractor.
Where necessary, set the module switches according to
the instructions in Chapter 12.
Depending on the modules (Chapter 9) your control
panel is equipped with, the following faults may be
reported:
– Burner fault boiler
– Boiler temperature sensor
– Outdoor-temperature sensor
– Heating zone supply sensor
heating zone 1 – 8 (if installed)
– DHW temperature sensor
– Boiler is cold
– DHW is cold
– DHW warning
– Remote control no communication with
heating zone 1 – 8 (if installed)
– Disinfection
– Additional temp. sensor
– Heating zone 1–8 (if installed)
pump fault
– DHW pump fault
– DHW inert anode fault
– Safety fault
– Bus system no connection
– Multiple address set
– External boiler fault
– Emission sensor fault
– Flue gas temperature exceeded
– Address conflict slot 1 – 4 (if installed)
– Incorrect module slot 1 – 4 (if installed)
– Unknown module slot 1 – 4 (if installed)
– Function module has no connection
– No master control panel installed
– Heating zone 1 – 8 (if installed) in manual mode
– DHW in manual mode
– Boiler loop in manual mode
– Burner in manual mode