Checking Outputs (Actuator Test) - Viessmann B2TF Installation And Service Instructions Manual

Gas condensing storage combi boiler with 7 inch colour touchscreen
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Diagnosis and service checks
Calling up messages (message history)
5. "Message history"
The following is displayed in the message lists:
Date and time of the occurrence of the notifica-
tion
Notification number
Description of the notification
Subscriber number of the component on which
the message has occurred:
PlusBus subscriber components
0
EM-S1 extension (ADIO electronics
module)
1 - 15
EM-M1, EM-MX and EM-P1 extensions
(ADIO electronics module)
17 - 31 EM-EA1 extension (DIO electronics
module)
32 - 47 Cylinder module (electronics module
M2IO)
49 - 63 Vitotrol 200-E
64
SDIO/SM1A electronics module
CAN BUS subscriber components
1
HMU heat management unit
50 BCU burner control unit
58 RF module (TCU 200)
59 HMI programming unit
60 Fan unit
90 Gateway
Low power radio subscriber components
49 - 63 Vitotrol 300-E

Checking outputs (actuator test)

Note
When the actuator test is started, all actuators are ini-
tially disabled and valves moved to their central posi-
tion.
Tap the following buttons:
01. "
"
02. "Service"
03. Enter password "viservice".
04. Confirm with
.
05. "Actuator test"
06.
to confirm the security prompt.
Note
If an actuator function is not possible due to the
running process, the function is interrupted. A
message appears.
74
(cont.)
6.
"Faults" to call up saved fault messages. For
further details, see the following chapter "Fault
messages".
"Service messages" to call up saved service
messages.
"Status", to call up the saved status messages.
"Warnings" to call up saved warning messages.
"Information", to call up saved service informa-
tion.
For messages, see chapter "Further messages".
7. If you wish to delete messages, tap .
8.
to confirm
07. Use
/
to select the required group. See the
table below.
08. Tap the required actuator function. Several func-
tions can be activated simultaneously.
09. If necessary, tap
active for 30 s.
10. Use
to end the Actuator test.
to confirm. The functions are

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