SECTION 8 - DIAGNOSTIC TROUBLE CODES
3121222
– JLG Lift –
8-19
9911 FUNCTION LOCKED
OUT - LSS MODULE
SOFTWARE VERSION
IMPROPER
The load sensing system mod-
ule software version is not com-
patible with the rest of the
system.
•
Replace LSS module to clear fault.
9912
POWER MODULE FAIL-
URE - SYSTEM MONITOR
The ground board detected
armature, field, or pump current
while function was not com-
manded.
•
Refer to Drive Motor Electrical Evaluation in Section 3.5.
•
Refer to Pump Motor Electrical Evaluation in Section 4.8.
•
Refer to Power Module Electrical Evaluation in Section 3.6.
9924
FUNCTIONS LOCKED
OUT - MACHINE NOT
CONFIGURED
The control system's memory
indicates that the vehicle has
not been configured (new con-
trol system components).
•
Use the JLG analyzer to adjust all machine setup and personality settings,
refer to 5.7 Machine Configuration Programming Information.
9950
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s armature power circuitry is driven without PWM
command for 100mS.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9951
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s pump power circuitry is driven without enable from
the interface PCB for 100mS.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9952
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s pump power circuitry is driven without PWM com-
mand for 100mS.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9953
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s field power circuitry is driven without enable from
the interface PCB for 100mS.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9954
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s field power circuitry is driven without reverse direc-
tion from the power PCB for 100mS.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9955
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s field power circuitry is driven without forward selec-
tion from the power PCB for 100mS.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9956
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s field current control or MOSFET’s are malfunction-
ing.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9957
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s hardware that generates an interrupt at 36V and
12V did not respond properly at power-up.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9958
POWER MODULE FAILURE -
INTERNAL ERROR
Drive, Steer, & Lift Prevented
•
The System Module’s pump current measurement or MOSFET are mal-
functioning.
•
Pump current measurement >2.74V or <2.26V for 200mS while idle.
•
Cycle machine, if error still exists, replace System Module.
•
ZAPI - HEALTH (Status LED) - FLASHING
9-9 Hardware
DTC
FAULT MESSAGE
DESCRIPTION
CHECK
Summary of Contents for 1230ES
Page 1: ...AS NZS Service and Maintenance Manual Model s 1230ES P N 3121222 June 22 2017 ...
Page 2: ...NOTES ...
Page 24: ...SECTION 1 MACHINE SPECIFICATIONS 1 12 JLG Lift 3121222 NOTES ...
Page 32: ...SECTION 2 GENERAL SERVICE INFORMATION 2 8 JLG Lift 3121222 NOTES ...
Page 78: ...SECTION 4 BASE COMPONENTS 4 40 JLG Lift 3121222 NOTES ...
Page 104: ...SECTION 5 CONTROL COMPONENTS 5 26 JLG Lift 3121222 NOTES ...
Page 158: ...SECTION 8 DIAGNOSTIC TROUBLE CODES 8 22 JLG Lift 3121222 NOTES ...
Page 198: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 9 40 JLG Lift 3121222 ...
Page 199: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 3121222 JLG Lift 9 41 ...
Page 200: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 9 42 JLG Lift 3121222 ...
Page 202: ...SECTION 9 GENERAL ELECTRICAL INFORMATION SCHEMATICS 9 44 JLG Lift 3121222 NOTES ...