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Part No. 62401
Genie S-100 & S-105 & S-120 & S-125
5 - 9
First Edition • First Printing
Section 5 • Troubleshooting Flow Charts
Diagnostic code displayed
Condition
Possible Causes
Solution
FAULT CODE CHART
Continued on next page
TURNTABLE LEVEL SENSOR Y-
DIRECTION SHORTED TO 5V
Unit out of level LED, icon and alarm
active.
Short in turntable level sensor Y-
direction circuit wiring.
Repair short in circuit. Refer to
electrical schematic to troubleshoot.
TURNTABLE LEVEL SENSOR Y-
DIRECTION VALUE TOO HIGH
Unit out of level LED, icon and alarm
active.
Damaged circuit in turntable level
sensor Y-direction wiring or turntable
level sensor may need to be
replaced.
Repair damage in circuit wiring. Refer
to electrical schematic to
troubleshoot or consult Genie
Industries Service Department to
determine if turntable level sensor
needs to be replaced.
TURNTABLE LEVEL SENSOR Y-
DIRECTION VALUE TOO LOW
Unit out of level LED, icon and alarm
active.
Damaged circuit in turntable level
sensor Y-direction wiring or turntable
level sensor may need to be
replaced.
Repair damage in circuit wiring. Refer
to electrical schematic to
troubleshoot or consult Genie
Industries Service Department to
determine if turntable level sensor
needs to be replaced.
DCON CAN NO RESPONSE
All drive chassis functions
inoperative.
Open or shorted wires in CAN bus
circuits between DCON and TCON
control box’s.
Repair damage in circuit wiring. Refer
to electrical schematic to
troubleshoot or consult Genie
Industries Service Department.
CAN BUS NO RESPONSE
No functions from platform control
box and all platform functions
inoperative when using turntable
controls.
Open or shorted wires in CAN bus
circuits between PCON and TCON
control box’s.
Repair damage in circuit wiring. Refer
to electrical schematic to
troubleshoot or consult Genie
Industries Service Department.
SAFETY SWITCH P3 FAULT
All functions inoperative.
Open circuit in tether Emergency stop
wiring.
Repair damage in circuit wiring. Refer
to electrical schematic to
troubleshoot or consult Genie
Industries Service Department.
SAFETY SWITCH P6R1 FAULT
Boom extend and boom down
functions inoperative. This fault
creates Safety switch P9A,P10,P11,
and P18 fault.
Bad K4 relay inside turntable control
box.
Replace K4 relay or consult Genie
Industries Service Department.
SAFETY SWITCH P6R2 FAULT
Engine cranks but won’t start.
Bad K3 relay inside turntable control
box.
Replace K3 relay or consult Genie
Industries Service Department.
SAFETY SWITCH P7 FAULT
No boom functions. Fault creates
safety switch P7R,P22,P14,P12 and
P22R faults.
Bad K5 relay inside turntable control
box or bad K1 relay inside platform
control box.
Replace K5 or K1 relays or consult
Genie Industries Service Department.
SAFETY SWITCH P7R FAULT
No boom functions. Fault creates
safety switch P22,P22R,P14, and
P12 faults.
Bad K2 relay inside turntable control
box or bad K2 relay inside platform
control box.
Replace relays or consult Genie
Industries Service Department.
SAFETY SWITCH P9A FAULT
Boom extend and boom down
functions inoperative. This fault
creates Safety switch P10 and P18
faults.
Open in Boom envelope safety
circuits or operational limit switches
LSB3EO,LSB13AO,LSB4EO, or
LSB14AO have failed.
Refer to chart 18 or 19 to
troubleshoot.
SAFETY SWITCH P9B FAULT
Engine cranks but won’t start.
Open in Boom envelope safety
circuits or operational limit switches
LSB3EO,LSB13AO,LSB4EO, or
LSB14AO have failed.
Refer to chart 18 or 19 to
troubleshoot.
SAFETY SWITCH P10 FAULT
Boom extend inoperative.
Boom extension cables out of
adjustment or LSB6S limit switch is
bad or there is an open in the safety
circuit wiring.
Refer to chart 20 or 21 to
troubleshoot.
SAFETY SWITCH P11 FAULT
Boom up inoperative.
Open in axle safety switch circuit or
limit switch LSB7DS,LSAX1ES, or
LSAX2ES have failed or operational
limit switch LSB1DO has failed.
Refer to chart 18 or 19 and chart 20
or 21 to troubleshoot.
Summary of Contents for S-100
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