Viessmann MPA51, Operating And Service Instructions

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8
Status Service
Post-purge
Status Service
Standby
Display Status
(one digit) Service
(two digits) See
Operating display in
standard mode Current operating
condition/status Display "FL" if a flame
signal is present Page 6
and 8
Operating display for
operation deviating
from standard mode Message code "A" or
"C" — Table on
page 13
Information display Status 1 to 7 Information on current
meter readings Page 8
Service display Message code "d" Current level of modu-
lation Page 10
Fault display Message code "F" Fault code display Table on
page 13
Fault memory Status 0 to 9 Calling up the last 10
faults Page 12
Information display
The information display is activated from
the operating display.
Information regarding current meter
readings, such as the start-up meter and
permanent hours run meter, can be
called up via the information display.
This mode is automatically terminated if
no other key is pressed within 20 s. Press S to jump to the next status. You
can exit any status display by pressing
reset button
A
.
Press
a
and
S
simultaneously to acti-
vate the information display.
Burner control unit
Burner control unit
(cont.)
5782 991 GB