Troubleshooting, Anti-hunting, Messages (code type bxx or mxx) – DE DIETRICH INNOVENS PRO MCA 45 - 65 - 90 - 115 User Manual
Page 43: 7 troubleshooting, 1 anti-hunting, 2 messages (code type bxx or mxx)

7 Troubleshooting
7.1
Anti-hunting
This display only concerns boilers with the DIEMATIC
iSystem control panel.
When the boiler is in Anti-short-cycle operating mode, the symbol ?
flashes.
1. Press the "?" key.
The message Operation assured when the restart temperature
will be reached
is displayed.
This message is not an error message but an item of
information.
7.2
Messages (Code type Bxx or Mxx)
In the case of failure, the control panel displays a message and a
corresponding code.
1. Make a note of the code displayed.
The code is important for the correct and rapid diagnosis of the
type of failure and for any technical assistance that may be
needed.
2. Switch the boiler off and switch back on.
The boiler starts up again automatically when the reason for the
blocking has been removed.
3. If the code is displayed again, correct the problem by following the
instructions in the table below:
Depending on the control panel, the message display is
different:
4
DIEMATIC iSystem control panel: The code and the
message are displayed.
4
IniControl control panel: Only the code is displayed.
MCA 45 - 65 - 90 - 115
7. Troubleshooting
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