38
0.07
B
F12R L.C. 50 cc.
Signalling System
Chapter
paGe
ISSUe
If H
2
O temperature indicator is not working, check:
1) reSIStaNCe OF h
O teMperatUre prOBe
- NOTE: the LED and relative icon on the display will start flashing to signal that the probe is not
connected.
F. 4
1. Resistance of H
2
O temperature probe
- Measurement of h
O temperature is performed in accordance to the following table:
Liquid temperature alarm
When temperature of liquid reaches its threshold (the last segment of the bar graph comes on), the
relative alarm is activated.
The liquid temperature warning light will come on.
To avoid false alarms, this alarm is activated only if the contact remains grounded for a period of
more than ten seconds.
F. 46
L
H
°c
Resistance (
Ω
)
Segments
≤ 30
>2060
0
30 ÷ 39
09 ÷ 149
1
40 ÷ 49
10 ÷ 891
0 ÷ 9
890 ÷ 91
3
60 ÷ 79
90 ÷ 81
4
80 ÷ 94
80 ÷ 161
9 ÷ 99
160 ÷ 11
6
100 ÷ 104
10 ÷ 134
7
>105
≤ 133
8