Service manual

9. Trouble Shooting the Code 8 Error
6. Disconnect one motor connector from the Trio controller at a time and
disconnect the batteries for 1 minute and restart the machine. If the code
8 disappears and is replaced by a different code, the circuit disconnected
should be considered suspect. For example the brush was disconnected.
The code 8 is replaced by code 3. Code 3 indicates the brush motor is
disconnected Check for a loose or broken connection at the brush deck
disconnected
.
Check
for
a
loose
or
broken
connection
at
the
brush
deck
.
Check to see if water has gotten inside the brush motor. Check for a
shorted motor.
7. Static electricity. Check both the ground chains; there is one on the brush
d
ec
k
an
d
one on
th
e rear o
f
th
e mac
hi
ne.
Th
ey s
h
ou
ld
b
e con
t
ac
ti
ng
th
e
floor. The one on the deck should touch the floor when the deck is down.
They also should have continuity between the end of the chain and the
fr
a
m
e
o
f
t
h
e
m
ac
hin
e
. R
epa
ir
o
r
c
l
ea
n if n
eeded
if n
eeded
.
a e o t e ac e epa o c ea eeded eeded
8. If everything checks OK, replace the Trio Controller.
Note controllers can be damaged by loose connections on inputs and outputs, static
electricity and water on electrical components such as on or in the controller and motors.
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