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I-Modell - 13/14 - Ausgabe 08/13 - 2354644 - BUE-0056-07EN
Electrical system
8
8.7.2
V/tank gauge for battery voltage and water or waste water
levels
Battery voltage
The V/tank gauge is for the indication of the battery voltage of the starter bat-
tery or the living area battery.
With the V/tank gauge (Fig. 151,2), note the top scale. The gauge automati-
cally lights up as soon as a switch is pressed.
Displays:
Press switch (Fig. 151,11) "
": The battery voltage of the starter battery
is displayed.
Press switch (Fig. 151,10) "
": The battery voltage of the living area bat-
tery is displayed.
The following tables will help you correctly interpret the battery voltage of the
living area battery displayed on the panel IT 96.
Battery voltage
(values during
operation)
Mobile operation
(vehicle moving,
no 230 V con-
nection)
Battery opera-
tion
(vehicle station-
ary, no 230 V
connection)
Power operation
(vehicle station-
ary, 230 V con-
nection)
Danger of total
discharge (battery
alarm)
11 V or less
1)
1)
The battery guard switches all the appliances off (at 10.5 V).
12 V power sup-
ply overload
If appliances are
switched off: Bat-
tery flat
If appliances are
switched on: Bat-
tery overload
12 V power sup-
ply overload
The battery is not
charged by the al-
ternator, the alter-
nator's regulator
is defective
The battery is not
charged by the
transformer/rectifi-
er, the transform-
er/rectifier is
defective
11.5 V to 13.2 V
12 V power sup-
ply overload
2)
2)
If the voltage does not exceed this range for several hours.
Normal range
12 V power sup-
ply overload
2)
The battery is not
charged by the al-
ternator, the alter-
nator's regulator
is defective
The battery is not
charged by the
transformer/rectifi-
er, the transform-
er/rectifier is
defective
13.3 V to 13.7 V
Battery is being
charged (main
charge)
Occurs only brief-
ly after charging
Battery is being
charged (main
charge)
13.8 V to 14.4 V
Battery being
charged (float
charge)
–
Battery being
charged (float
charge)
Over 14.5 V
Battery is over-
charged, defec-
tive alternator
control
–
Battery is over-
charged, defec-
tive transformer/
rectifier
Summary of Contents for I 690 G
Page 2: ...I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Instruction manual ...
Page 8: ...Contents 8 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN ...
Page 18: ...18 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Safety 2 ...
Page 120: ...120 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Gas system 7 ...
Page 254: ...254 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Wheels and tyres 13 ...
Page 268: ...268 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Troubleshooting 14 ...
Page 272: ...272 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Special equipment 15 ...
Page 290: ...290 I Modell 13 14 Ausgabe 08 13 2354644 BUE 0056 07EN Helpful notes 17 ...