June 2021
Service and Repair Manual
Control System Fault Codes
Part No. 1285307GT
S
®
-80 J, S
®
-80 J TraX
™
85
ID Component ID Name Cause
Effect
Solution
13 Jib
Up/Down
Switch
27 Active
at
startup
Toggle switch input
was detected as
HIGH at start-up.
The Jib Up or Down
functions will not
operate.
*Verify with a voltmeter that the Jib
Up/Down Toggle Switch (TS8) is
operating properly.
* C43JU (BL, PCON J17-6) should be
0 V with the switch OFF and 12 V with
the switch held in the UP position.
* C44JD (BL/BK, PCON J17-8)
should be 0 V with the switch OFF
and 12 V with the switch held in the
DOWN position.
*Cycle power to allow the machine to
re-test the fault.
15 Foot Switch 27 Active
at
startup
Foot switch input
was detected as
HIGH at start-up, or
the footswitch was
held for too long
and caused the
footswitch timer to
elapse.
Machine will not be
functional.
* Release foot switch and cycle
power.
* If problem persists, with a voltmeter
verify that C24FS (WH, PCON J12-2)
is LOW when foot switch is released
and 12 V when held down.
28 Timeout Foot switch
depressed too long
without action
Machine will not be
functional.
17 Aux Pump
Coil
11 Shorted
to
supply
voltage
TCON detected that
C27AUX circuit is
shorted to 12V.
Machine will not be
functional.
*Check C27AUX (RD, TCON J3-3)
wiring. *With a voltmeter verify that
C27AUX (RD, TCON J3-3) is 0 V
when the Auxiliary Power toggle
switch is OFF and 12 V when switch
is ON.
*Verify the terminals of the APU
solenoid have a resistance greater
than 5 ohms. If not, replace the
solenoid.
19 Aux Enable
Switch
27 Active
at
startup
Aux button held at
startup.
Machine will not be
functional.
Release Aux button, check DISCON
overlay and ribbon cable if issue
persists.
20 Pri Boom
Ext / Ret
Joystick
11 Shorted
to
supply
voltage
Circuit C163PER is
above 4.5 V.
Boom Extend and
Retract functions will
not operate.
* Leave joystick in neutral position
and cycle power.
* If fault persists, with a voltmeter
check that C163PER (BL/WH, PCON
J18-4) is at 2. 5V +/- 0.2 V at startup
and does not go above 4.5 V or below
0.5 V when fully stroked in each
direction.
* Replace joystick if voltage check
fails.
27 Active
at
startup
Circuit C163PER
voltage was not
within the startup
voltage range of 2.5
V +/- 0.2 V.
Summary of Contents for Genie S-80 J
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Page 71: ...June 2021 Service and Repair Manual Manifolds Part No 1285307GT S 80 J S 80 J TraX 59 ...
Page 78: ...Service and Repair Manual June 2021 Manifolds 66 S 80 J S 80 J TraX Part No 1285307GT ...
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