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Setting the night mode
In night mode the display panel is darkened. All
LEDs on the display panel except the “Current”
LED are switched off.
➤
To activate or deactivate the night mode press
the On/Off button on the display panel once.
✔
The “Current” LED lights up dimly red.
Cleaning and maintenance
A
➤
Occasionally clean the device with a soft, damp
cloth.
➤
Regularly check live cables or lines for insulation
faults, breaks or loose connections.
Troubleshooting
NOTICE! Damage hazard
• Never clean the device under running
water or in dish water.
• Do not use sharp or hard objects, abra-
sive cleaning agents or bleach during
cleaning as these can damage the
device.
Fault
Possible cause
Suggested remedy
The charging booster
does not work. The
red “Power” LED
does not light up.
Insulation faults, breaks or loose connec-
tions at the live cables.
➤
Check live cables for insulation faults,
breaks or loose connections.
➤
If you cannot find an error, contact an
authorized service agent.
Short circuit has been generated.
The device fuse must be replaced by an autho-
rized service agent after it has been triggered
by excess current.
The battery terminals are not connected
correctly.
➤
Check the connections.
➤
Check the cable cross-sections, cable
lengths and fuses (see chapter “Determine
the cable cross-section” on page 20).
➤
Check the stripped cable ends.
➤
Check the voltages directly at the termi-
nals.
The charging booster
does not work. The
yellow “Main
Charging” LED
flashes.
Over voltage protection of the house bat-
tery. Battery voltages too high (> 15.5 V).
➤
Reduce the connected voltages.
The charging booster restarts automatically
when the voltage drops to the restart value
(< 13.2 V).
Only LiFePO4 batteries: Temperature sen-
sor is not connected.
➤
Connect the temperature sensor.
Содержание BUTTNER MT LB2412-25
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Страница 5: ...4445103799 5 2 1 3 90 6 2 3 5 m 4 5 5 m 1 5 m 7...
Страница 7: ...4445103799 7 START Sense START D Kl 15 EBL Start In BORD Sense BORD Temp Sensor D Kl 15 10 A 3 A A 1 c...
Страница 8: ...8 4445103799 B START Sense START D Kl 15 EBL Start In BORD Sense BORD Temp Sensor 3 A 10 A D 2 1 d...
Страница 11: ...4445103799 11 223 270 5 74 g...