Maintaining And Cleaning The Device; Troubleshooting - Dometic SMP439 Installation And Operating Manual

SMP439, 439-08
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Maintaining and cleaning the device

A
NOTICE!
Do not use any sharp or hard objects for cleaning since they may
damage the device.
1. Disconnect the device from the power supply.
2. Disconnect the device from the battery.
3. Prevent the device from being switched on.
4. Occasionally clean the device with a damp cloth.
5. Regularly clean the vents.
6. Check the electrical wiring at least once a year.
7. Repair any defects such as loose connections or burnt cables.
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Troubleshooting

Status LED
fig. 1 5, page 3
and fig. 2 6,
page 4
Red, slowly flashing
Red, quickly flashing
Red, permanently lit
EN
Cause
Battery undervoltage or
battery overload
Defective battery
Overheating
Short circuit, reversed
polarity or broken internal
fuse
Maintaining and cleaning the device
Remedy
Check the battery.
Switch the battery charger off and
on again.
Replace the battery.
Improve the ventilation of the
battery charger or battery.
Make sure that no ventilation
openings are covered.
If necessary, reduce the ambient
temperature.
Connect the battery charger with
the correct polarity.
Remove the short circuit.
Contact the customer service for
replacing the internal fuse.
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