Service and Repair Manual
November 2016
Fault Codes
94
GS-2669 DC • GS-3369 DC • GS-4069 DC
Part No. 1272220GT
About This Section
When a malfunction is discovered, the fault code
charts in this section will help a service
professional pinpoint the cause of the problem.
To use this section, basic hand tools and certain
pieces of test equipment are required — voltmeter,
ohmmeter, pressure gauges.
Definitions
GSDS – Genie SmartLink™ Diagnostic System
ECM – Electronic Control Module
DCON - Drive Controller
GCON – Ground Controls
PCON – Platform Controls
OIC – Operational Indicator Codes
DTC – Diagnostic Trouble Codes
GCON LCD Diagnostic Readout
The diagnostic readout displays alpha numeric
codes that provide information about the machine
operating status and about malfunctions.
The codes listed in the Diagnostic Trouble Code
Charts describe malfunctions and can aid in
troubleshooting the machine by pinpointing the
area or component affected.
Models are listed below each code to assist in the
troubleshooting codes for a specific model.