Viessmann VH3, Installation And Service Instructions For Contractors

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112
The following service functions can be selected:
Service function
Function See page
"Diagnosis" Checking operating states, actuators and sensors 113
"Actuator test" Checking the actuators 113
"Code 1" Configuring the system 90
"Code 2" Configuring the system 105
"Fault history" Calling up fault codes from the fault memory 118
"Service functions"
*3
■
"Maintenance"
■
Maintenance status
Hours run/days remaining until next maintenance
■
Overview
Display of last 5 services
■
Maintenance reset
Confirmation of commissioning or maintenance carried
out
■
Hours run
Maintenance interval
Setting for hours run until next service
88
■
"Calibrate O2 probe" Calibrate O
2
probe
(calibrating Lambda probe)
129
■
"Fill vacuum module" Vacuum module
■
Filling the pellet hopper
■
Checking
115
■
"Run hopper until empty" Setting the interval for running the pellet hopper until emp-
ty 115
■
"Changeover unit" Checking the changeover unit 115
■
"Standard setting" Loading the standard setting:
■
All data
■
General
■
Boiler
■
Charging
■
Heating water buffer cylinder
■
Additional boiler
■
All groups
117
"Terminate service" Exit service 112
Calling up the service menu
The service menu can be activated from any menu.
Press the following buttons:
1. d +
å
simultaneously for approx. 4 s.
The
"Service" menu appears.
2.
|
/
~
for the required service function.
Exiting the service menu
You can leave the service menu as follows: ■ By pressing
ä
■ Automatically after 30 minutes
■ Via menu point "Terminate service"
*3 Other displays may be shown, depending on the system configuration.
Diagnosis and service checks
Service functions
5679249
Diagnosis