Fault / Malfunction Codes; Shutdown; Temporary Shutdown - Sime UNIQA REVOLUTION 25 Installations-, Gebrauchs- Und Wartungsanleitung

1.6

Fault / malfunction codes

If a fault/malfunction is detected during boiler operation, the
message "ALL" will appear on the display followed by the fault
code.
If you see alarm "02" (low water pressure in the system):
– on the display (1), check that the heating system pressure
when cold is 1-1.2 bar . If this is not the case, open the filling
valve (2) and restore the heating system pressure until the
display (1) shows a reading of 1-1.2 bar
– close the filling valve (2)
– press and hold the button
check whether normal operating conditions are restored.
1
2
If you see alarm "06" (no flame detected) and "07" (safety ther-
mostat intervention):
– press and hold the button
check whether normal operating conditions are restored.
If this operation is not successful, ONLY ONE MORE ATTEMPT can
be made, therefore:
– close the gas isolation valve
– set the main system switch to "OFF"
– contact the Qualified Technical Personnel.
OFF
m
CAUTION
Should you see an alarm not described here, contact a
qualified technical professional
8
y for more than 3 seconds and
for more than 3 seconds and
y
Fig. 5
.
2

SHUTDOWN

2.1

Temporary shutdown

If the user wishes to interrupt boiler operation, press and hold
the button y for at least one second, once if in "WINTER
mode" n or twice if in "SUMMER mode"
will appear on the display.
"- -"
f
ELECTRICAL HAZARD
The boiler will still be powered.
If the user is away temporarily, for a weekend, short trip etc and
if the outside temperature is at ZERO:
– press and hold the button
or twice if in "SUMMER mode"
by
– set the main system switch to "OFF"
– close the gas valve.
Fig. 4
m
CAUTION
If the outside temperature might fall below ZERO,
since the appliance is equipped with an "antifreeze
function"
– ONLY PUT THE BOILER INTO STAND-BY
– leave the main system switch set to "ON" (boiler is
powered)
– leave the gas valve open.
l .
y once if in "WINTER mode"
l to put the boiler into stand-
OFF
n
Fig. 6