Operating status and faults overview
MB LAN 2 – 6 720 805 490 (2018/12)
25
Constantly
orange
LAN connection established; no
access to Bosch server via
internet.
▶ Disconnect module from
power supply for 10 seconds
and recommission it.
-or-
▶ Establish internet
connection
1)
.
-or-
▶ If internet access for the
router is periodically blocked,
remove the timeout
1)
.
-or-
▶ Open ports 5222 and
5223
1)
.
Flashing
orange
Device not ready: firmware
update under way.
▶ Wait approx. 15 mins.
Flashing
green
Heat source switched off.
▶ Isolate the module, switch on
the heat source production
and switch the module on
again after approx. two
minutes.
BUS initialisation lost.
▶ Reset personal settings
(Reset).
Module not connected to BUS
system.
▶ Make BUS connection.
Maximum cable length for BUS
connection exceeded.
▶ Make shorter BUS
connection.
Short circuit or cable break in
the BUS connection.
▶ Check BUS connection and
repair if required.
Constantly
green
No faults.
Standard operation.
Flashing
alternating
green and
orange
No bus, no access to the Bosch
server via the Internet.
Establish the BUS connection,
then see “Constantly orange”.
1) See manufacturer's instructions.
Faults affecting the functionality of the app are also shown in the
app, (e.g. no connection to XMPP server, no connection to the
MB LAN 2, wrong password, etc.).
ON/OFF
indicator
Possible cause
Remedy
Table 3 Operating status and faults overview
