97
D2 Communication error, fault message module 2
Control mode
Cause
Measure
Communication error, plug-in adaptor 2 for external
safety equipment
■
Checking the plug-in adaptor: See chapter "Plug-in
adaptor for external safety equipment"
■
Without plug-in adaptor:
Set parameter "15" in the
"General"
group.
D3 Communication error, EA1 extension
Control mode
Cause
Measure
Communication error, EA1 extension
■
Check the connections: See chapter "EA1 extension"
■
Without EA1 extension:
Set parameter "40:0" in the
"General"
group.
D4 High limit safety cut-out, boiler
Boiler cools down.
Cause
Measure
The high limit safety cut-out or fuse F1 has blown.
Check the high limit safety cut-out, burner, burner loop
and fuse F1: See connection and wiring diagram
D6 Fault message at digital input 1, EA1 extension
Control mode
Cause
Measure
Input DE1 at EA1 extension reports a fault.
Remedy fault at appliance concerned.
D7 Fault message at digital input 2, EA1 extension
Control mode
Cause
Measure
Input DE2 at EA1 extension reports a fault.
Remedy fault at appliance concerned.
D8 Fault message at digital input 3, EA1 extension
Control mode
Cause
Measure
Input DE3 at EA1 extension reports a fault.
Remedy fault at appliance concerned.
E0 LON subscriber fault ...
■
Control mode
■
No communication via LON
Troubleshooting
Fault messages
(cont.)
5863679
Diagnosis
Содержание Vitotronic 11 CC1E
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