Messages; Troubleshooting 6 - Vaillant multiMATIC VRC 700f/4 Operating Instructions Manual

The advanced function is automatically deactivated after
24:00 hours or you can cancel the advanced function first.
The heating installation will then return to the pre-set operat-
ing mode.
5.4.3 1 day away from home
Op. mode → 1 day away from home
Menu → Basic settings → Operating mode → ZONE1 → 1
day away from home
–
If you are only away from home for one day, activate
the 1 day away from home advanced function. The ad-
vanced function brings the room temperature to the Set-
back desired temperature.
Hot water generation and circulation are switched off and the
frost protection is activated.
The advanced function is automatically deactivated after
24:00 hours or you can cancel the advanced function first.
The heating installation will then return to the pre-set operat-
ing mode.
Ventilation is activated and works at the lowest ventilation
level.
5.4.4 Ventilation boost
Op. mode → Ventilation boost
Menu → Basic settings → Operating mode → ZONE1 →
Ventilation boost
–
If you want to switch off the zone while the living areas
are being ventilated, activate the Ventilation boost ad-
vanced function.
This advanced function switches the zone off for 30 minutes.
The frost protection function is activated, and hot water gen-
eration and circulation remain active.
Ventilation is activated and works at the highest ventilation
level.
The advanced function is automatically deactivated after 30
minutes or you can cancel the advanced function first. The
heating installation will then return to the pre-set operating
mode.
5.4.5 Party
Op. mode → Party function
Menu → Basic settings → Operating mode → ZONE1 →
Party function
–
If you want to switch on the zone, hot water generation,
ventilation and circulation temporarily, activate the Party
function advanced function.
The advanced function brings the room temperature to the
set desired temperature Day, in accordance with the set time
periods.
The advanced function is deactivated after six seconds or
if you cancel it before the six seconds is up. The heating
installation will then return to the pre-set mode.
5.4.6 Cylinder boost
Op. mode → Cylinder boost
–
If you have switched off hot water generation or require
hot water outside a time period, activate the Cylinder
boost advanced function.
0020237615_01 multiMATIC Operating instructions
The advanced function heats the water in the domestic hot
water cylinder until it reaches the set desired temperature
Domestic hot water. The advanced function is active for
one hour unless you cancel it sooner. The heating installa-
tion then returns to the preset operating mode.
5.4.7 System OFF (frost protection active)
Op. mode → System OFF active
–
The heating function, hot water circuit and cooling are
switched off. The frost protection function is activated.
The circulation is switched off.
Ventilation is activated and works at the lowest ventilation
level.
5.5

Messages

5.5.1 Service message
Overview of maintenance messages (→ Appendix C)
If a service is required, the controller displays a service mes-
sage in the display.
To prevent the heating installation from breaking down and
to prevent damage, you must pay attention to the service
message:
▶
If the operating instructions for the unit that is displayed
contain maintenance instructions for the service mes-
sage, carry out maintenance work according to the main-
tenance instructions.
▶
If the operating instructions for the unit displayed do not
contain maintenance instructions for the service mes-
sage, or if you do not want to carry out the maintenance
work yourself, inform a competent person.
5.5.2 Fault message
Overview of fault messages (→ Appendix B)
If a fault occurs in the heating installation, the controller dis-
plays a fault message in the display. The competent person
must clear or rectify the fault in the heating installation, oth-
erwise it could cause material damage or make the heating
installation malfunction.
▶
Inform a competent person.
If you would like to see the basic display on the display
again, press the left-hand selection button Back.
You can read the current fault messages under Menu → In-
formation → System status → Fault status. As soon as a
fault message occurs for the heating installation, the setting
level displays the value Fault list. The right-hand selection
button has been assigned the Display function.
6 Troubleshooting
Overview of fault messages (→ Appendix B)

Troubleshooting 6

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