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Motor will only
drive one way
Motor drives both
ways but lacks power
Motor drives but relay
repeatedly
Section C
.
not, suspect a fault in
.
drive circuit.
With a DVM, check the voltages on the
STBDU
lines. They are on
2
4. These are the drive commands to the FETs.
pins
and
Pin
ON
course
Port drive
Starboard drive
.
these voltages are not correct within
.
fault in the opt0 couplers or a component failure on the
a
.
main board.
If
they are correct, the current limit may
especially
if
setting on page
limit
12
.
Current limit may
.
setting on page
If
adjusting the current limit makes
more
may have failed. Replace the circuit board in
the distribution box.
13
Current limit may
limit setting.
Motor may
O n hydraulic systems, check
Motor cable or heavy-duty supply cable is
Rewire with heavier gauge wire.
14
Indicates excessive voltage drop in motor supply. Check
cable CoMectiow.
Make sure the terminal strip motor terminal screws are tight.
Insufficiently charged
Faulty
motor.
Faulty voltage regulator or alternator o n vessel.
the 8 V
If
this is missing, replace the b a r d .
2
+5V
a non Teleflex motor is used. See current
18 section C.
be
set too low. See current limit
C.
18
section
be set
low.
too
be
faulty. Check the brushes,
fluid
or
defective batrev.
Check
etc.
brushes,
FET
logic supply in the
and
optocoupler,
a
4
+5v
1
volt, then suspect
be
set tm low,
no
different one or
See the section o n current
etc.
level.
too
light.
and
Servicing
Troubleshooting
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