Service and Repair Manual
June 2021
Control System Fault Codes
84
S
®
-80 J, S
®
-80 J TraX
™
Part No. 1285307GT
Control System Fault Codes
ID Component ID Name
Cause
Effect
Solution
1 Engine Can
Bus
13 Not
detected
Engine CANBUS
CAN+ or CAN-
shorted to supply.
Disable engine start
for tier 4F engines
*Verify with a voltmeter that CAN+
and CAN- lines are not shorted.*
Measure the resistance between
(YL, TCON J9-3) and
D228CAN- (GR, TCON J9-4); should
be between 55 and 65 ohms.
* (YL, TCON J9-3) should
be between 1V and 5V.
* D228CAN- (GR, TCON J9-4) should
be between 1V and 5V. Remove
short(s) and cycle power.
7 Engine
Warning
21 Fault
The engine has
triggered the
Engine Warning
Lamp condition.
Machine will function
as normal.
* Check the engine fault codes with
an engine diagnostic tool.
8 Engine Stop 21 Fault
The engine has
triggered the
Engine Stop Lamp
condition.
Control system will
not allow engine
restart until power
cycle. Engine may
stop itself, depending
on the engine option.
* Check the engine fault codes with
an engine diagnostic tool.
Note: The control system shuts off the
engine immediately upon receiving
this fault from the engine.
10 Ground
Controls
Engine Start
Switch
27 Active at
startup
Engine start button
held at startup.
Engine start is
disabled
Release engine start button, check
DISCON overlay and ribbon cable if
issue persists.
11 Platform
Controls
Engine Start
Switch
27 Active at
startup
Platform controls
engine start switch
active at startup.
Engine start switch
will not operate.
*Verify with a voltmeter that the
Engine Start Toggle Switch (TS2) is
operating properly.
* C33STR (BK, PCON J16-3) should
be 0 V with the switch OFF and 12 V
with the switch ON.
*Cycle power to allow the machine to
re-test the fault.
12 Machine
CAN Bus
13 Not
detected
Machine CANBUS
CAN+ or CAN-
shorted to supply
Machine will not be
functional.
*Verify with a voltmeter that CAN+
and CAN- lines are not shorted.
*Measure the resistance between
(YL, TCON J5-3) and
D81CAN- (GR, TCON J5-4); should
be between 55 and 65 ohms.
* (YL, TCON J5-3) should
be between 1V and 5V.
*D81CAN- (GR, TCON J5-4) should
be between 1V and 5V.
*Remove short(s) and cycle power.
Summary of Contents for Genie S-80 J
Page 69: ...June 2021 Service and Repair Manual Manifolds Part No 1285307GT S 80 J S 80 J TraX 57 ...
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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