Cleaning And Maintenance; Troubleshooting - Dometic BUTTNER MT LB30 Installation And Operating Manual

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.

Troubleshooting

Fault
The charging booster
does not work. The
red "Power" LED
does not light up.
The charging booster
does not work. The
yellow "Main
Charging" LED
flashes.
Possible cause
Insulation faults, breaks or loose connec-
tions at the live cables.
Short circuit has been generated.
The battery terminals are not connected
correctly.
Over voltage protection of the house bat-
tery. Battery voltages too high (> 15.5 V).
Only LiFePO4 batteries: Temperature sen-
sor is not connected.

Cleaning and maintenance

A
NOTICE! Damage hazard
• Never clean the device under running
• Do not use sharp or hard objects, abra-
➤Occasionally clean the device with a soft, damp
cloth.
➤Regularly check live cables or lines for insulation
faults, breaks or loose connections.
Suggested remedy
➤ Check live cables for insulation faults,
➤ If you cannot find an error, contact an
The device fuse must be replaced by an autho-
rized service agent after it has been triggered
by excess current.
➤ Check the connections.
➤ Check the cable cross-sections, cable
➤ Check the stripped cable ends.
➤ Check the voltages directly at the termi-
➤ Reduce the connected voltages.
The charging booster restarts automatically
when the voltage drops to the restart value
(< 13.2 V).
➤ Connect the temperature sensor.
4445103799
water or in dish water.
sive cleaning agents or bleach during
cleaning as these can damage the
device.
breaks or loose connections.
authorized service agent.
lengths and fuses (see chapter "Determine
the cable cross-section" on page 20).
nals.
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