81
Tap the following buttons:
"Exit service menu"
or
.
Note
The system exits the service menu automatically after
30 min.
Changing the service password
In the delivered condition,
"viservice"
is preset as the
password for accessing the
"Service menu"
.
Tap the following buttons:
0
1.
" "
0
2. "Service"
0
3.
Enter password
"viservice"
.
0
4.
Use
to confirm.
0
5. "Change passwords"
.
0
6. "Service menu"
0
7.
Enter current password.
0
8.
Use
to confirm.
0
9.
Enter new password.
10.
Confirm twice with
.
Resetting all passwords to delivered condition
Tap the following buttons:
1.
Request master password from the Viessmann
Technical Service.
2.
" "
3. "Service"
4.
Enter password
"viservice"
.
5.
Use
to confirm.
6. "Change passwords"
7. "Reset all passwords"
8.
Enter master password.
9.
Confirm twice with
.
Diagnosis
Checking operating data
Operating data can be called up in various areas. See
"Diagnosis"
in the service menu overview.
Operating data on heating circuits with mixer can only
be called up if such components are installed in the
system.
Note
If a called up sensor is faulty,
"- - -"
appears on the
display.
Calling up operating data
Tap the following buttons:
1.
" "
2. "Service"
3.
Enter password
"viservice"
.
4.
Use
to confirm.
5. "Diagnosis"
6.
Select required group, e.g.
"General"
.
Diagnosis and service checks
Exiting the service menu
5593201
Diagnosis
Summary of Contents for B2HF
Page 33: ...33 2 2x 1 Fig 26 Installation sequence Closing the wiring chamber 5593201 Installation ...
Page 111: ...111 1 2 4 3 6 5 Fig 56 Troubleshooting Repairs cont 5593201 Diagnosis ...
Page 134: ...134 WiFi router 31 Wiring diagram 121 Keyword index Keyword index cont 5593201 ...
Page 135: ...135 5593201 ...
