Fault Display - Viessmann vitotronic 200-h Installation And Service Instructions Manual

Vitotronic 200-H, HK1B Installation and Service

Fault Display

Fault Codes
Displayed System characteristics
fault code
10 Controls as if the outside temperature
was 32° F (0° C)
18 Controls as if the outside temperature
was 32° F (0° C)
20 Mixing valve is being closed.
28 Mixing valve is being closed.
If there is a fault, the red fault display on the control
unit flashes. "Fault" is displayed and
The fault code is displayed with OK.
Note: If a central fault message facility is connected,
this is started.
For an explanation of the fault code, see the chapter
"Fault codes".
For some faults, the type of fault is also displayed in
plain text.
Acknowledging a fault
Follow the instructions on the display.
Note: The fault message is transferred to the menu.
A fault messaging facility, if connected, will
be switched off.
If an acknowledged fault is not remedied, the fault
message will be re-displayed the following day and
the fault message facility restarted.
Calling up acknowledged fault messages
Extended menu:
1.
2. "Fault"
Calling up fault codes from the fault memory (fault history)
The 10 most recent faults (including those remedied)
are saved and can be called up.
Faults are sorted by date.
1. Press OK and
2. "Fault history"
3. "Display?"
Cause
Short circuit, outside
temperature sensor
Lead break, outside temperature
sensor
Short circuit, supply temperature
sensor, heating circuit with
mixing valve M1
(heating circuit 1)
Lead break, supply temperature
sensor, heating circuit with
mixing valve M1
(heating circuit 1)
Troubleshooting

flashes.
simultaneously for approx. 4 sec.
Measures
Check the outside
temperature sensor
(see page 73).
Check the outside
temperature sensor
(see page 73).
Check the supply
temperature sensor
(see page 73).
Check the supply
temperature sensor
(see page 73).
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