Scanning Messages - Viessmann VITOCAL 300-A Installation And Service Instructions Manual
Type awc-i-m, aw-o-m
compact heat pump with electric drive, 230 v~
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Also See for VITOCAL 300-A:
- Installation and service instructions manual (208 pages) ,
- Installation and service instructions for contractors (124 pages) ,
- Operating instructions manual (60 pages)
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Troubleshooting
Control unit diagnostics
Scanning messages
A Fault display
Messages are displayed in and by the
message symbol flashing («, ¸, !). For
faults (U), the fault display also
flashes.
Type of message
Fault
&
Message on the display, e.g. "«B1
KM BUS EEV"
Message symbol "«" flashes
Fault indicator flashes
&
The central fault message terminal
(2X7.12 / 2X7.13) is activated.
&
Message via communication facility
(e.g. Vitodata, Vitocom) possible.
&
The machine is no longer in stan-
dard mode; the fault must be
removed as quickly as possible.
116
B Message
C Message symbol
Warning
&
Message on the display, e.g. "!02
Std after data err"
Message symbol "!" flashes
&
The display of warnings is subject to
access rights (enter access code for
contractors).
&
The appliance continues to operate
without limitation, however the
cause for the warning must be
removed.
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