Charging current
+/-10 %
Recommended
battery capacity
Recommended
battery capacity
(24h comfort)
Recommended
battery capacity for
maintenance
Power Supply mode
Ambient tempe-
rature
Type of batteries
Housing protection
Trouble shooting
Error/Problem
Possible cause
Error indicator
Defective battery:
(Er 1)
• Battery voltage is under 1.5 V and over
0.5 V
• Battery voltage is under 5 V for a 6 V
battery, or under 11 V for a 12 V battery,
after charging the battery for 4 minutes
• Battery voltage is under 6 V or 12 V 2
minutes after fully charging
• unable to fully charge within 24 h
Battery incorrectly/not connected
Error indicator
Incorrect battery voltage
(Er 2)
(6 V/12 V/24 V) selected
Battery cannot
No power supply, charger not plugged in.
be charged
Long charging
Only a very low charging current is used
time
in very low temperatures (below 0 ºC).
This will extend the charging time. As the
battery warms up, the charging current is
adjusted accordingly.
Battery capacity too high for the charger
being used.
6 V: 2 A
12 V: 4 A
6 V: up to 40 Ah
12 V: up to 80 Ah
74 Ah
130 Ah
13,6 V
max. 4 A
Lead-acid batteries (WET, MF, EFB, AGM, GEL, LFP)
Battery Charger BC240, BC260, BC280
6 V: 3 A
12 V: 6 A
6 V: up to 50 Ah
12 V: up to 110 Ah
92 Ah
160 Ah
13,6 V
max. 6 A
-20
C to +40
C
º
º
IP 65
Solution
Have the battery checked
by a speciality repair shop.
Replace battery.
Unplug charger and check
the connections.
Unplug charger and wait
until the display goes out.
Reconnect the charger and
select the correct battery
voltage.
Verify the charger is con-
nected to a
230 V mains socket and the
display lights up. Battery
may be defective
Charge battery in normal
conditions.
Explosion hazard!
Never charge frozen
batteries.
Use a suitable charger.
EN
12 V: 8 A
24 V: 4 A
12 V: up to 150 Ah
24 V: up to 70 Ah
129 Ah
225 Ah
13,6 V
max. 8 A
19