Hints on handling batteries
IU6, IU8, IU12
46
How to avoid deep discharge (during longer periods of dis-
use)
z
Always switch off consumers that are not in use
.
z
Take silent consumers into account when calculating your
energy requirements
.
I
Note
Recharge batteries once a month to balance out power loss caused
by self-discharging.
Load batteries for at least 48 hours after deep discharge
.
Checklist of causes for battery failure
In many cases, the failure of the on-board electronics are due to
causes that you can determine and rectify yourself. In the event of
problems, please check the following:
z
Charging voltage on the battery terminals too low (under 14.1 V)
z
Defective lighting system
z
Charging voltage too high (above 14.4 V) due to defective volt-
age regulator (if the charging voltage is too high, this destroys
the battery)
z
Loose v-belt
z
Oxidised or loose connection terminals
z
Defective switching relay on an electrical consumer
z
Short circuit in the on-board electronics
z
Leakage currents in the on-board electronics
I
Note
Check the state of the battery by measuring the no-load voltage
(see table below).
Only measure this voltage at least 24 hours after the battery was
last charged. Do not use the battery between charging and meas-
uring.
No-load voltage in V
> 12.8
12.55
12.3
12.2
< 12.0
Charging condition in %
100
75
50
25
0
_IU6_IU8_IU12_BA_10s.book Seite 46 Mittwoch, 16. Januar 2008 2:06 14
Summary of Contents for PerfectCharge IU6
Page 3: ...IU6 IU8 IU12 3 1 2 5 3 4 _IU6_IU8_IU12_BA_10s book Seite 3 Mittwoch 16 Januar 2008 2 06 14...
Page 4: ...IU6 IU8 IU12 4 A B 6 _IU6_IU8_IU12_BA_10s book Seite 4 Mittwoch 16 Januar 2008 2 06 14...
Page 5: ...IU6 IU8 IU12 5 1 2 3 7 1 2 8 _IU6_IU8_IU12_BA_10s book Seite 5 Mittwoch 16 Januar 2008 2 06 14...
