Viessmann Vitodens 200 Start-Up/Service Instructions page 26

Troubleshooting
Diagnosis
(continued)
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: 0S
Fault: OD
Fault: OE
Fault: OF
Fault: CC
Control unit for weather-responsive operation with
programming unit
26
Fault history code
displayed
249
253
254
002
004
005
006
007
008
020
021
010
011
012
013
014
015
204
Display window
Reset button
Burner fault indicator
Comfortrol Menu driven programming unit retrieval of fault
codes from fault memory
1. Open the cover:
Menu option
  SYSTEM
  INSTALLER SETUP
  CODE PLEASE:
  CODING 2
Note: All settings are made in the "Installer Setup"
menu, containing "Coding 1" (the main coding
addresses in plain language) and "Coding 2" (all
coding addresses).
2. Select coding address "0B2" by pressing button
"A" (CONTINUE) or "B" (BACK).
With the "G" selector knob (CHANGE), set the
value of the coding address to "001".
Confirm the change with button "D".
Changes which are made and confirmed in Coding 1
are automatically transferred to Coding 2 and vice
versa.
3. Select coding address "0B3".
The value which appears is the most recent fault
code (value in brackets () in the diagnostics table).
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.
Note: 10 fault codes can be scanned.
Control unit for weather-compensated mode with
standard programming unit
Vitodens 200 WB2 Service
Button
"D"
"C"
"B-C-C-B"
"C"