9.4.
Description of the display
9.4.1.
Description of icons and leDs
mV_pH
tempc
ERR
Red LED: shows
an error
Yellow LED: shows that transis-
tor 1 is switched
32
1423 mV
23.8 °c
not used
Yellow LED: shows that transistor 2
is switched
English
Type 8202/8222
Adjustmentandcommissioning
Yellow LED: shows that
transistor 1 is switched
Yellow LED: shows that
transistor 2 is switched
Fig. 27: Position of the icons and description of the LEDs
The LEDs of the display module are duplicated on the elec-
tronic board that is located under the display module: these
LEDs become visible when the transmitter is not equipped
with the display module.
Green LED: shows that
the device is energized
Red LED: shows an error