Viessmann Vitocom 100 - Page 15

15
Illuminates red Maintenance enabled. Your heating contractor enables this
function before carrying out maintenance work. The mainte-
nance function terminates automatically after 8 hours.
Flashes red slowly ■ Heating system fault
■ Digital input DI1 fault
■ SIM card fault (see page 38)
Flashes red quickly ■ Internal Vitocom 100 fault
■ SIM card fault (see page 38)
Flashes green for
longer than 5 min af-
ter being switched
on
Fault when initialising the Vitocom 100 (see page 37)
Illuminates green "Standard mode", no heating system or Vitocom 100 fault
Flashes green slow-
ly
The Vitocom 100 is initialised after the power supply unit is
plugged in or reset button "T4" is pressed
or
PIN entry (see page 27).
Flashes green
quickly
Software update is being installed. The device must not be
isolated from the mains.
Field strength (reception quality)
Continuous operation is only possible if
field strength indicator "2" illuminates
green.
Field strength indi-
cator "2"
Flash-
es red
Illumi-
nates
red
Flash-
es yel-
low
Illumi-
nates
yellow
Flash-
es
green
Illumi-
nates
green
Current field
strength
1 – 16 %
17 – 32 %
33 – 50 %
51 – 66 %
67 – 84 %
85 – 100 %
Operating the device
Display and control elements
(cont.)
5782 277 GB