Saunier Duval 0010025651, Installation Instructions Manual, Page: 23 / 40

Appendix
0020282112_01 MiLink Plus Installation instructions
19
Appendix
A Condition (main display): Meaning of the main LED
Current status Meaning Explanation/required activity
Flashing green
Flashing blue
Flashing red
Start sequence
The LEDs
change colour
several times
until the start
sequence is
complete.
–
Wait until the start sequence is complete.
Flashing green
eBUS connection
is ongoing
–
Wait until the status changes before you in-
stall the communication unit (
→
section 8).
–
If the LED continues to flash for longer than
10 minutes.
Restart again (switch the heating system off
and on again).
–
If the LED then continues to flash for longer
than 10 minutes.
Agree with the authorised representative
about whether the communication unit should
be installed (risk of installing a communica-
tion unit in an incompatible heating system).
Steady on, green
eBUS connection
is established
–
Install the communication unit.
Steady on, yellow
Communic-
ation unit not
registered
–
Agree with the authorised representative
about whether the communication unit should
be installed (risk of installing a communica-
tion unit in an incompatible heating system).
–
Inform the authorised representative that re-
gistration is required.
Steady on, red
eBUS connection
failed
–
Repeat all of the steps of the electrical install-
ation (
→
section 7.1 and 7.2) and, when doing
so, pay particular attention to the cable con-
nection.
–
Ensure that the cable connection is not inter-
rupted.
–
Do not install the communication unit if the
LED continues to light up permanently red.
–
Inform the authorised representative about
the problem.