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Condition
Poor Cable Connection
Faulty micro switch
Faulty main power switch
Faulty control board
Blown fuse
Faulty relay
Carbon motor brushes
need to be replaced
Circuit breaker has tripped
Faulty actuator
circuit
breaker
or actuator
Faulty control panel
Faulty control board
Deck stays on floor after motor after motor stops
Deck height fluctuates excessively
Troubleshooting Chart
Corrective
Action
Clean battery cable clamps of any corrosion and tighten test
voltage at points A to B should be from
Test voltage
a t
points C to B should be from 34 to 38 VDC. If
there is no voltage check switch for continuity. Adjust or replace
as
needed
With the main power switch turned on, test voltage at points B to
should be from
D
34
leads and check switch for Continuity. Replace
voltage is good at L6
all the tests above have been done, replace the control board.
Replace fuse
Reset circuit breaker.
Unplug connector coming from main handle assembly. Squeeze
handle and test for continuity at handle end of connector E.
Adjust or replace switch
view of switch cover (F22) and drive control assemblies F22T.
With main power on, pad in operating position
squeezed: Test voltage
from
38 VDC. When the relay Is working it should make a
34 to
clicking noise
the drive handle is squeezed. Replace relay if
the
t e s t
not run.
the test voltages are not 34 to 38V DC, check wiring
If
and connections at points F , Q, D and B.
When the brush wear indicator light comes
put
a
new
set
of carbon motor brushes in.
until the brushes wear away completely
will cause motor damage.
Reset circuit breaker (M)
Check connections J1L J2
with all other connections to actuator.
With
main power switch turned on
the
switch depressed, test voltage
34 to 38 VDC.
the voltage is good at K4 to
If
is not operating it will need to be repaired or replaced.
Unplug the connector at J on the control board. Test
from control panel) for continuity when pad switch is pressed.
Replace control panel if necessary.
Test voltage
a t
to K7 should be from 34 to 38 VDC. If the
L6
a t
voltage is good
respond, all the tests above have been done, replace the control
board.
Check for worn out pad.
Check for worn out pad.
Rev.1 7 m 4
to 38 VDC.
34
to 38 VDC.
there is no voltage remove
If
necessary
if
to K7
but the machine still won't respond,
(N)
.
as
needed
See page 13 & 15 for exploded
and
a t
points
F
to Q and
F to B
on
is
it
and
and
the pad upldown
a t
should be from
K4
to
but the actuator still
but the lift mechanism still won't
Page 19 of 20
drive handle
should be
to
necessary
along
(coming
J
19
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