6. The diagnostic display will illuminate the LED asso-
ciated with each of the inputs when that input switch is
closed. Check each switch (input) by opening and clos-
ing switch, then verifying that corresponding LED goes
on and off as switch position is changed. For example,
with traction pedal in neutral, “TR. NEUTRAL” LED
should be on, then go off, when traction pedal is moved
out of neutral. Check function for each switch that can
be changed manually.
7. If a switch is closed and correspond
ing LED does not
go on, check all wiring and connections to switch and/or
test switch with a continuity tester or ohm-meter. Re-
place any faulty switches and repair or replace any
faulty wiring or connectors.
To verify output functions:
8. Do steps 1 - 4 in above procedure to connect diag
-
nostic display, if not already connected.
9. If necessary, push input-output toggle switch on
diagnositic display so “
OUTPUTS DISPLAYED” LED is on.
NOTE: Red text on overlay decal refers to input
s
witches and green text to outputs.
NOTE: It may be necessary to toggle between “
INPUTS
DISPLAYED
” and “OUTPUTS DISPLAYED” several times
to do this procedure. To toggle back and forth, press
toggle button once. This may be done as often as
necessary. DO NOT hold button.
10. Sit on the seat and attempt to operate desired
function o
f machine – DO NOT start engine. Put input
switches in required position to allow desired functions
to occur as defined by Logic Chart on page 4. The
appropriate output LED’s should illuminate to indicate
that the ECU is turning on that function.
If any output LED is
FLASHING ON
and
OFF
, this
indicates and electrical problem with that OUTPUT. To
reset a flashing LED, turn the key switch OFF, then
back ON.
If no output LED’s are flashi
ng on and off, but the correct
output LED’s do not illuminate, verify that the required
input switches are in the necessary positions to allow
that function to occur. If input switches are correct, but
output LED’s are not correct, this indicates a controller
malfunction.
If output LED’s ar
e correct, but machine does not func-
tion properly, this indicates a hydraulic problem.
NOTE: Due to electrical system constraints, the output
LED’s for “
START”, “PREHEAT” and “ETR/ALT” may not
flash on and off, even though an electrical problem may
exist for one of those functions. If the machine problem
appears to be with one of these functions, see the
troubleshooting charts.
IMPORTANT: The diagnostic display must not re
-
main connected to the machine. When done using
diagnostic display, carefully disconnect it. Connect
loop-back connector to wire harness connector.
Machine will not operate without loop-back connec-
tor installed on wire harness. Store diagnostic dis-
play in dry, secure location in shop, not on machine.
1
Figure 8A
1. Diagnostic ACE
TM
Display
Troubleshooting Page 5 - 8 Reelmaster
®
5100-D
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