Enter Vitocom Pin Code - Viessmann VITOTRONIC 200 Service Instructions Manual

Service functions
Subscribers (Modbus/KM-BUS)
Connection parameters
"Subscriber add."
"Baud rate/parity"
"Device group"
"Status"
"Fault code"
"Timeout counter"

Enter Vitocom PIN code

Only for Vitocom connected to the heat pump control
unit by means of a KM-BUS, e.g. Vitocom 100, type
GSM2.
"Vitocom 100" installation instructions
1. Service menu:
Press OK and simultaneously for approx. 4 s.
Function check
1. Service menu:
Press OK + simultaneously and hold for
å
approx. 4 s.
2. "Service functions"
3. "Function check"
188
(cont.)
Modbus
Modbus 1:
Predetermined for each subscriber
Modbus 2:
Allocated when the subscriber is
commissioned.
Speed of the data transfer (symbols/
second)/parity (even/odd/none)
―
Connection status ("OK", "Fault")
Message codes for connection faults
00: Connection status "OK" is set.
> 00: Connection faults: If the fault occurs repeatedly, the connection status
is set to "Fault".
Number of failed attempts to connect to the subscriber: If the internal limit is
exceeded, the fault message "EE KM-BUS subscriber" or "EF Modbus
subscriber" appears (see "Messages").
2. "Service functions"
3. "Enter Vitocom PIN code"
4. Enter the PIN digits one by one.
4. Start the required function, e.g. "DHW". Only those
5. Terminate function with
KM-BUS
Predetermined number of the KM-BUS
subscriber
―
Type of KM-BUS subscriber, e.g. re-
mote control, mixer, etc.
functions are shown that correspond to the actual
system equipment level.
During the function check, the system overview is
displayed: See "System overview".
.