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4. SEN
Displayed when attempting
to use the Auto function.
5. SEN 3
Displayed when the
AA550 is operated manu-
ally. Auto does not work.
No sensor pulse.
6. SoL oL
Displayed when the Up or
Down button is pressed.
The windlass may operate
for a short period and then
stop.
7. SoL uP or SoL dn
Displayed briefly when the
AA550 is turned on. The
A550 will not operate the
windlass.
Use the AA550 up and down manually and
check for the specific sensor error. Refer to the
note below.
No signal from the sensor to the AA550.
Either there is no magnet, the gap between
the magnet and sensor is too big or the sen-
sor signal is out of tune because of testing
during installation. AA550 will operate the
windlass up and down but there will be no
count displayed on the LCD. Try resetting the
AA550 by running the windlass up and down
for 10-15 seconds. If the message still appears
check the magnet and the gap and alignment
between the magnet and sensor. Check sensor
wiring and installation and check for damage
to the sensor and magnet. When fixed reset
the AA550 as above. To reset manually the
anchor must be docked and the AA550 reset
to zero twice. To reset to zero - press and
hold the ON/OFF button. Release when the
display shows 0.0.
The solenoids could be exceeding the maxi-
mum 4 Amps or a solenoid wire is shorted to
ground. The AA550 is designed to turn the
solenoids off if these events occur. Check the
solenoids and the wiring and fix as necessary.
SoL uP - The Up (orange) wire is not
connected to the solenoid. SoL dn - The
Down (yellow) wire is not connected to the
solenoid. These messages also appear if the
up or down button is pressed on the AA550
when the windlass is already in operation us-
ing a deck switch. Diodes or interlock devices
between the AA550 and the solenoid will
also cause these messages. The AA550 has
internal diode protection. External diodes
will cause the system to fail.
15
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