Displaying And Clearing The Error Memory; Accessing Information On The Hardware And Software Versions - DeDietrich MIT-M /E Installation, User And Service Manual

Error Message
code
E02.13 Blocking Input
E02.24 System flow locking
Tab.126 List of alarm codes
Error code Message
A02.06 Water Press Warning
A02.18 OBD Error
A02.22 System flow warning
A02.55 Inval or miss SerNR
7756241 - v02 - 19062020
Description
Blocking Input of the Control Unit from device external environment
Input BL open.
Check the wiring.
Check the component connected to the BL. contact
Check the component connected to the AP001 and AP100. contact
System water flow locking active
Insufficient flow: open a radiator valve
The circuit is clogged:
Check that the filters are not obstructed and clean them if necessary.
Clean and flush the installation.
No circulation:
Check that the valves and thermostatic valves are open.
Check that the filters are not obstructed.
Check that the circulating pump is working.
Check the wiring.
Check the pump supply: if the pump does not work, replace it.
Too much air
Completely vent the indoor module and the installation for optimum running.
Check that the automatic air vents are properly open (also check the hydroblock).
Incorrect wiring: check the electrical connections.
Flow meter:
Check the electrical connections and the direction of the flow meter (arrow to the
right).
Replace the flow meter if necessary.
EHC–05 alarm codes
An alarm code is a temporary heat pump status, resulting from the
detection of an anomaly. If an alarm code still remains after several
automatic start-up attempts, the system goes into fault mode.
Description
Water Pressure Warning active
Object Dictionary Error
System water flow warning active
Invalid or missing device serial number
11.2.2

Displaying and clearing the error memory

The error memory stores the 32 most recent errors. You can check the
details of each error and then clear it from the error memory.
To display and clear the error memory:
1. Press the
2. Select Error History.
On
The list of the 32 most recent errors is displayed with the error code,
a short description and the date.
3. Carry out the following actions according to your needs:
Show the details of an error: select the desired error.
To clear the error memory, press and hold the
11.2.3 Accessing information on the hardware and software
versions
Information about the hardware and software versions of the different
appliance components is stored in the user interface.
key.
11 Troubleshooting
rotary knob.
MIT-M 103