Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 102

Troubleshooting
Fault messages
(cont.)
BC Communication error, remote control, HC 1
Control mode without remote control
Cause
Communication error, Vitotrol/Vitocomfort remote con-
trol, heating circuit 1 without mixer
BD Communication error, remote control, heating circuit 2
Control mode without remote control
Cause
Communication error, Vitotrol/Vitocomfort remote con-
trol, heating circuit 2
BE Communication error, remote control, heating circuit 3
Control mode without remote control
Cause
Communication error, Vitotrol/Vitocomfort remote con-
trol, heating circuit 3
BF Incorrect LON communication module
■ Control mode
■ No communication via LON
Cause
Incorrect LON communication module
102
Measure
Check connections, lead (see separate installation and
service instructions) and parameter "00" in the Heating
circuit... group.
With wireless remote control:
■
Place the remote control near the wireless base sta-
tion and check connection (see separate installation
and service instructions).
Without wireless remote control:
■
Set parameter "00:0".
Measure
Check connections, lead (see separate installation and
service instructions) and parameter "00" in the Heating
circuit... group.
With wireless remote control:
■
Place the remote control near the wireless base sta-
tion and check connection (see separate installation
and service instructions).
Without wireless remote control:
■
Set parameter "00:0".
Measure
Check connections, lead (see separate installation and
service instructions) and parameter "00" in the Heating
circuit... group.
With wireless remote control:
■
Place the remote control near the wireless base sta-
tion and check connection (see separate installation
and service instructions).
Without wireless remote control:
■
Set parameter "00:0".
Measure
Replace LON communication module.