Viessmann VITOFLEX 300-UF Operating Instructions Manual page 24

Checks
Checking fault and maintenance messages
Acknowledging a fault or warning
Tap the following button: "Acknowledge"
The remedied fault or warning is acknowledged. The
acknowledged fault message is only shown under the
"History" tab, in grey font.
All fault messages
All fault messages, including those already acknowl-
edged, are shown under the "History" tab.
The latest fault message is always at the top. Once
there are 100 fault messages, the oldest fault message
is deleted when a new one is generated.
Checking maintenance messages
In the tab "Service", the required maintenance is dis-
played.
The values "Days" and "Hours run" count down during
system operation until they reach "zero".
The maintenance message is displayed.
■ Days: Value of maintenance intervals in days
■ Hours run: Value of maintenance intervals in hours
run
Messages: Description of the maintenance to be
■
performed
Resetting the service/maintenance
After maintenance has been completed, use "Reset"
to reset the "Days" or "Hours run" to the predefined
value of the service interval.
Tap the following on-screen buttons:
1. "Observer"
The "Enter password" window is displayed.
2. Enter the "Password" via the number pad.
Confirm with "Enter" or terminate the entry with
"Esc".
The "Panel" button is shown.
24
(cont.)
■ Time/date coming: Time at which the fault message
occurred
Time/date going: Time at which the fault message
■
was acknowledged
■ Text: Description of the fault or warning
Symbol colours:
"Yellow": If "10 %" of the total value is reached, the
■
text colour changes to yellow and "1" appears next
to the symbol in yellow.
■ "Red": If the maintenance interval value reaches
"0", the text colour changes to red and "1" appears
next to the symbol in red.
Contact the personnel listed in the cleaning and main-
tenance schedules; see page 38.
The details of your contacts can be found in chapter
"Service"; see page 23.
3. Highlight service/maintenance by tapping on the
line
4. Tap the following button: "Reset"
The maintenance interval is reset to the predefined
value. The coloured highlighting of the line is can-
celled.