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Operating Instructions Booster WA 121545
Fault
The voltage rises to far above 15V.
No LEDs are on (light up) on the boo-
No LEDs are on (light up) on the boo-
ster.
ster
After a longer period of inactivity, the
leisure area battery and the starter
battery are fully discharged although
the battery has been disconnected.
After switching on the LED "Error"
lights. The booster has no function.
The "Error" LED lights, the other LEDs
indicate the current status of the boo-
ster.
The "Error" LED lights, all other LEDs
always remain off.
The device is not working.
The fuse on the output side (located
very close to the positive terminal on
the leisure area battery) keeps trip-
ping.
The "Error" LED flashes at 1 Hz.
The "Error" LED flashes at 3 Hz, all
other LEDs always remain off.
th
LED
l
i
ff
11
Cleaning
24
All manuals and user guides at all-guides.com
Possible cause
Booster defective.
Vehicle engine idle -- no battery char-
Vehicle engine idle -- no battery char-
ging.
ging
Vehicle engine running: No input vol-
tage due to defective fuse or defective
cabling.
Vehicle engine running: No D+ signal
from the generator due to defective
fuse or fault in vehicle or in cabling.
The leisure area battery voltage sen-
sor or the starter battery voltage sen-
sor is connected incorrectly or with the
wrong polarity. In this case, a current
of about 80 mA continually flows from
the leisure area battery or a current of
about 40 mA continually flows from the
starter battery.
The temperature sensor cable is
short-circuited.
The device has an excessively high
temperature.
Maximum output current "Max. Output"
set too high or fuse with too low a ra-
ting.
The leisure area battery voltage sen-
sor has the wrong polarity or is short-
circuited.
Overvoltage at the input.
Overvoltage at the output.
Booster defective.
Maintenance
The WA 121545Booster requires no maintenance.
Clean the device with a soft, slightly moistened cloth. Never use spirit, thin-
ners or similar substances. Do not allow liquids to enter the device. If requi-
red, clean the ventilation slots with a soft brush.
No part of this manual may be reproduced, translated or copied without ex-
E
press written permission.
Date: 21.09.2017
Remedy
Immediately disconnect the "Starter
battery" and "Leisure area battery"
connectors from the booster.
Contact customer service or your dea-
ler as required.
No fault -- start vehicle engine as re-
No fault -- start vehicle engine as re-
quired.
quired
Replace fuse as necessary.
Cabling: Call customer service.
Replace fuse as necessary.
Cabling/fault in vehicle: Contact custo-
mer service.
Correctly connect the leisure area bat-
tery voltage sensor.
Contact customer service or your dea-
ler as required.
Check the temperature sensor; the
booster continues to work with the va-
lues for 25 C.
Contact customer service or your dea-
ler as required.
Improve the ventilation; clean dirty fan
as required.
Set the maximum output current lower
or change the fuse value.
Ensure to observe the
information in Section 8.4.3.
Check the connectors and cabling.
Contact customer service or your dea-
ler as required.
Check the generator.
Check the booster and generator.
Check the booster.
8200510 BA / EN
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