QUNDiS MHM5 Instrucciones De Montaje E Instalación página 38

Notes
Internal device error heat metering system
Sign:
Remedy:
Add-on module not attached or incorrectly attached
Sign:
Remedy:
Connection break between heat metering system and add-on module
Sign:
Remedy:
In order to test the connectivity of the add-on module to
the heat metering system, the connection can be bro-
ken within 1 minute after indication "FA[Software Version]".
The add-on module does not take over the identity or the
data of the heat metering system.
en 36
FUM5-00MO-DES-MHM5
Status byte of the M-Bus protocol transmits "Tem-
porary error" and "Permanent error".
Device-specific error indication on the display of
the heat metering system.
You can find information on the error correction in the
operating instructions of the heat metering system.
No transfer of heat meter data,
no transfer of the medium.
Mount M-bus add-on module and screw on using bolts.
Status byte of the M-Bus protocol transmits "Tem-
porary error" and "Permanent error".
Last values read out are further transmitted.
The date on which the break occurred is sent as an
error date.
Device-specific error indication on the display of
the heat metering system.
Mount M-bus add-on module again.
18.03.2015