Viessmann VITODENS 200 Start-Up And Service Instructions page 28

Troubleshooting
Diagnosis
(continued)
Retrieval of fault codes from the fault memory
4 5
6
3
7
2 8
1 9
0 10
4 5
6
- -
A B i 3
+ 7
S
2 8
9
C D 1
10
28
1. Open the cover:
Menu option
→ SYSTEM
→ INSTALLER SETUP
→ CODE PLEASE:
→ CODING 2
2. H Select coding address "0B2" by
pressing button "A" (CONTINUE)
or "B" (BACK).
H With the "G" selector knob
(CHANGE), set the value of the
coding address to "001".
H Confirm the change with
button "D".
3. Select coding address "0B3".
4. Repeat step 2, but set value of
"0B2" coding address to "002". The
new value which appears under
coding address "0B3" is the next
fault code.
Fault code displayed on
programming unit
Fault: F9
Fault: FD
Fault: FE
Fault: 02
Fault: 04
Fault: 05
Fault: 06
Fault: 07
Fault: 08
Fault: 14
Fault: 15
Fault: 0A
Fault: 0B
Fault: 0C
Fault: 0D
Fault: 0E
Fault: 0F
Fault: CC
Please note:
Button All settings are made in the "Installer
"D" Setup" menu, containing "Coding 1"
"C" (the main coding addresses in plain
"B-C-C-B" language) and "Coding 2" (all coding
"C" addresses).
Changes which are made and
confirmed in Coding 1 are
automatically transferred to Coding 2
and vice versa.
The value which appears is the most
recent fault code (value in brackets ()
in the diagnostics table).
Please note:
10 fault codes can be scanned.
Fault history
code displayed
249
253
254
002
004
005
006
007
008
020
021
010
011
012
013
014
015
204