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⚡ Genie Code Types

E-Codes (E1-E20):

Common error codes for GS series

OIC Codes:

Operation indicators (LL, OIL, CH, PHS)

DTC Codes:

Diagnostic trouble codes (01-59)

H-Codes:

Hydraulic coil faults (H102, H103)

Genie Scissor Lift Error Codes: Complete Guide

Searchable database of 40+ Genie error codes for scissor lifts (GS series) and boom lifts. Find your code, understand the problem, and get back to work quickly.

Genie scissor lifts are widely used in various industries for their ability to reach high places safely and efficiently. Understanding error codes is essential for quick troubleshooting and getting back to work.

Showing 44 codes

Emergency stop activated

Emergency Stop

High

System: Emergency Stop

Symptom: All functions disabled

Causes: Switch pressed or faulty

Fix: Reset emergency stop button, check all e-stop switches for proper function

Platform overload

Platform Load

High

System: Platform Load

Symptom: Functions restricted

Causes: Excess weight, sensor fault

Fix: Reduce load below capacity (varies by model), check load sensors

Hydraulic oil temperature too high

Hydraulic

Medium

System: Hydraulic

Symptom: Performance degraded

Causes: Overuse, low fluid, cooling issue

Fix: Cool down unit, check hydraulic fluid levels, inspect cooling system

Low battery voltage

Battery Voltage

High

System: Battery Voltage

Symptom: Reduced performance or shutdown

Causes: Discharged battery, poor connections

Fix: Charge battery fully, check/clean battery connections and terminals

High battery voltage

Battery Voltage

Medium

System: Battery Voltage

Symptom: Charging issues

Causes: Overcharge, charger fault

Fix: Check charger settings, test battery health, verify voltage regulator

Tilt sensor activated

Tilt Sensor

High

System: Tilt Sensor

Symptom: Movement restricted

Causes: Uneven surface, sensor fault

Fix: Level machine on flat surface, calibrate tilt sensor, check sensor wiring

Drive function not permitted with raised platform

Drive Interlock

Low

System: Drive Interlock

Symptom: Cannot drive while elevated

Causes: Safety interlock engaged (normal operation)

Fix: Lower platform completely to enable drive function

Potentiometer out of range

Potentiometer

Medium

System: Potentiometer

Symptom: Control malfunction

Causes: Potentiometer fault or miscalibration

Fix: Check potentiometer wiring, recalibrate, replace if faulty

Joystick not in neutral position

Joystick

Medium

System: Joystick

Symptom: Functions disabled

Causes: Joystick stuck or fault

Fix: Return joystick to neutral, check for mechanical binding, test joystick module

E10

Hydraulic pump overcurrent

Hydraulic Pump

High

System: Hydraulic Pump

Symptom: Pump shuts down

Causes: Overload, pump fault, electrical issue

Fix: Reduce load, check pump motor current draw, inspect pump for mechanical issues

E11

Traction motor overcurrent

Drive Motor

High

System: Drive Motor

Symptom: Drive disabled

Causes: Overload, motor fault, electrical issue

Fix: Reduce load, check motor current, inspect drive motor and wiring

E12

Platform control not communicating with ground control

Communication

High

System: Communication

Symptom: Communication loss

Causes: Wiring fault, CANbus issue, control box fault

Fix: Check all communication wiring, CANbus connections; may need ground control box replacement

E13

Ground control not communicating with platform control

Communication

High

System: Communication

Symptom: Communication loss

Causes: Wiring fault, CANbus issue, control box fault

Fix: Same as E12; inspect ground control box and connections

E14

Platform control system error

Platform Control

High

System: Platform Control

Symptom: Platform controls malfunction

Causes: Control system fault, software issue

Fix: Reset system, check platform control module, update software if needed

E15

Ground control system error

Ground Control

High

System: Ground Control

Symptom: Ground controls malfunction

Causes: Control system fault, software issue

Fix: Reset system, check ground control module; may need Gen 6 ground control box replacement

E16

General sensor error

Sensor

Medium

System: Sensor

Symptom: Sensor fault detected

Causes: Faulty sensor, wiring issue

Fix: Inspect sensors, check wiring, replace faulty sensor

E17

Drive speed sensor error

Drive Speed Sensor

Medium

System: Drive Speed Sensor

Symptom: Speed monitoring fault

Causes: Speed sensor fault or wiring

Fix: Check drive speed sensor, test wiring, replace if needed

E18

Elevation limit switch error

Elevation Limit

Medium

System: Elevation Limit

Symptom: Height limit malfunction

Causes: Limit switch fault or misalignment

Fix: Check elevation limit switch, adjust/replace, verify wiring

E19

Hydraulic pressure sensor error

Hydraulic Pressure

Medium

System: Hydraulic Pressure

Symptom: Pressure monitoring fault

Causes: Pressure sensor fault or wiring

Fix: Test hydraulic pressure sensor, check connections, replace if faulty

E20

Steering angle sensor error

Steering Angle

Medium

System: Steering Angle

Symptom: Steering monitoring fault

Causes: Angle sensor fault or wiring

Fix: Check steering angle sensor, test wiring, calibrate or replace

Internal ECM error

ECM

High

System: ECM

Symptom: Complete system fault

Causes: ECM hardware or software defect

Fix: High criticality - stop immediately; contact technician for ECM replacement or reprogram

Communication error between ECM and controls

Communication

High

System: Communication

Symptom: Control failure

Causes: Wiring issues, loose connections, module fault

Fix: High criticality; check CANbus, wiring, reset; dealer diagnostic required

Software conflict or dip switch setting error

Configuration

Medium

System: Configuration

Symptom: Function limitations

Causes: Configuration changes, switch settings, pump wear, relief valve weak

Fix: Check dip switches, power cycle, inspect pump/relief valve

Pothole protection or emergency stop error

Emergency Stop

High

System: Emergency Stop

Symptom: Safety system engaged

Causes: Activated emergency stop, loose contacts

Fix: Check and reset all emergency stops, inspect switch contacts

Choke or glow switch fault

Choke/Glow Switch

High

System: Choke/Glow Switch

Symptom: Engine start issues

Causes: Defective switch or wiring

Fix: Inspect switch, test wiring, replace if needed

Engine switch fault

Engine Switch

High

System: Engine Switch

Symptom: Engine control issue

Causes: Defective switch or wiring

Fix: Test engine switch, check wiring, replace switch

Up/down function switch fault

Up/Down Switch

High

System: Up/Down Switch

Symptom: Lift control malfunction

Causes: Defective switch or wiring

Fix: Inspect up/down switches, test wiring, replace

Joystick calibration faulty or hardware defective

Joystick

Medium

System: Joystick

Symptom: Joystick malfunction

Causes: Calibration error, damaged module

Fix: Recalibrate joystick via service menu or replace joystick module

Traction drive circuit error

Drive System

High

System: Drive System

Symptom: Drive disabled or limited

Causes: Defective sensors, wiring, drive motor issues

Fix: Inspect drive sensors, check wiring, test drive motors, reset system

40-43

Hydraulic coil defective

Hydraulic Coils

High

System: Hydraulic Coils

Symptom: Hydraulic function loss

Causes: Defective coil, broken cable, short circuit

Fix: Test coil resistance, check wiring for shorts, replace coil if faulty

44-47

Engine overload

Engine

Medium

System: Engine

Symptom: Engine performance issues

Causes: Dirty cooling fins, overload condition

Fix: Clean engine cooling fins, reduce operational load, check air filter

49-51

Drive coils faulty

Drive Coils

High

System: Drive Coils

Symptom: Drive malfunction

Causes: Electrical defects, short circuit

Fix: Inspect drive circuit wiring, test coil resistance, replace faulty coils

Lift motor circuit issue or solenoid open circuit

Lift Motor

High

System: Lift Motor

Symptom: Lift function impaired

Causes: Wiring fault, solenoid failure

Fix: Power cycle, check wiring/solenoid; use Jaltest for root cause analysis

Joystick or control board communication issue (GS-1930)

Control Board

High

System: Control Board

Symptom: Lift lowers but stops, operates down but not up

Causes: Joystick/control board fault, low pressure (pump wear, weak relief valve)

Fix: Power cycle, check emergency lowering valve (ensure closed), test pump pressure, replace pump/relief valve if weak

H102

Relief valve coil fault - Short to BAT+ (GS-4047)

Relief Valve

Medium

System: Relief Valve

Symptom: Hydraulic control issue

Causes: Short circuit to battery positive, coil defect

Fix: Inspect relief valve coil/wiring for shorts, replace if shorted to positive

H103

Relief valve coil fault - Short to BAT- (GS-4047)

Relief Valve

Medium

System: Relief Valve

Symptom: Hydraulic control issue

Causes: Short circuit to battery negative, coil defect

Fix: Inspect relief valve coil/wiring for shorts to ground, replace coil

Lift is off level

Tilt Sensor

High

System: Tilt Sensor

Symptom: Movement restricted, tilt alarm

Causes: Uneven surface or tilt sensor activation

Fix: Move to level surface, calibrate tilt sensor if needed, contact service if persists

OIL

Platform overload indicator

Platform Load

High

System: Platform Load

Symptom: Weight limit exceeded

Causes: Load limit exceeded or incorrect sensor detection

Fix: Remove excess weight, verify actual load vs capacity, inspect load sensors

Chassis mode active

Chassis Mode

Low

System: Chassis Mode

Symptom: Operational mode indicator

Causes: Mode switch engaged

Fix: Verify correct mode for operation, check mode switches, reset if needed

PHS

Pothole protection system fault

Pothole Protection

High

System: Pothole Protection

Symptom: System not functioning or blocked

Causes: Faulty switch, sensor, improper installation of guards

Fix: Cease operation, inspect pothole guard system, ensure proper installation, repair/replace components

P100C

Engine coolant temp above threshold - PTO kill

Engine Coolant

High

System: Engine Coolant

Symptom: PTO disabled at >105°C

Causes: Overheating

Fix: Check cooling fan, airflow, coolant level; test temperature sender/wiring

P100D

Engine coolant temp above threshold - Engine kill

Engine Coolant

High

System: Engine Coolant

Symptom: Engine shutdown at >115°C

Causes: Critical overheating

Fix: Same as P100C; immediate shutdown for safety, let engine cool

3-2

Jib boom lift cylinder fault

Jib Cylinder

Medium

System: Jib Cylinder

Symptom: Jib function impaired

Causes: Cylinder leak, seal failure, wiring

Fix: Inspect jib cylinder for leaks, test seals, repair or replace

4-3

Main boom lift cylinder fault

Boom Cylinder

Medium

System: Boom Cylinder

Symptom: Boom function impaired

Causes: Cylinder leak, seal failure

Fix: Inspect boom cylinder, test hydraulic seals, repair or replace

Common Error Codes by Model

Genie GS-1930, GS-2032, GS-2632, GS-2646, GS-3246, GS-4047 Scissor Lifts

The searchable database above includes all codes for these popular GS series models.

Error Code	Description
E1	Emergency Stop activated
E2	Platform overload
E3	Hydraulic oil temperature too high
E4	Low battery voltage
E5	High battery voltage
E6	Tilt sensor activated
E7	Drive function not allowed when elevated
E8	Potentiometer out of range
E9	Joystick not in neutral
E10	Hydraulic pump overcurrent
E11	Drive motor overcurrent
E12	Platform control not communicating with ground control
E13	Ground control not communicating with platform control
E14	Platform control system error
E15	Ground control system error
E16	Sensor error
E17	Drive speed sensor error
E18	Elevation limit switch error
E19	Hydraulic pressure sensor error
E20	Steering angle sensor error

Troubleshooting Steps

When encountering an error code, follow these general troubleshooting steps:

Check the error code display and refer to the manual for specific meaning
Inspect the affected system or component
Check for loose connections or damaged wiring
Verify fluid levels and pressures where applicable
Test sensors and switches for proper operation
Clear the error code after resolving the issue

💡 Ground Control Issues (E12, E13, E15)?

If you're experiencing persistent ground control communication errors, the issue may be with your control box hardware. Consider our Genie Gen 6 Ground Control Box replacement - a reliable solution for Gen 6 series vehicles with $250 core credit available.

Reset Procedures

To reset error codes on a Genie scissor lift:

Turn off the machine and ensure it's safely on the ground
Engage override mode using the control panel
Turn the machine back on to reset the system

Safety Considerations

Always prioritize safety when troubleshooting scissor lift issues:

Never attempt repairs while the platform is elevated
Follow proper lockout/tagout procedures
Use appropriate personal protective equipment
Consult with qualified technicians for complex issues

Maintenance Tips

Regular maintenance can help prevent common error codes:

Check battery condition and connections regularly
Inspect hydraulic fluid levels and system integrity
Test safety features and sensors periodically
Keep control systems clean and free of debris
Follow the manufacturer's maintenance schedule

When to Seek Professional Help

Contact a qualified technician if:

Error codes persist after basic troubleshooting
Multiple error codes appear simultaneously
Safety systems are affected
You're unsure about the cause or solution
Control box replacement is needed (we stock genuine Genie ground control boxes for fast delivery)

Conclusion

Understanding Genie scissor lift error codes is crucial for maintaining safe and efficient operation. Regular maintenance, proper troubleshooting, and timely repairs can help minimize downtime and ensure reliable performance.

Having E12, E13, or E15 Communication Errors?

Persistent ground control communication errors often require control box replacement. We stock genuine Genie Gen 6 Ground Control Boxes with $250 core credit.

View Ground Control Box →Request Quote

Need Genie Scissor Lift Parts?

We stock sensors, control boxes, hydraulic components, and electrical parts for all Genie GS and boom lift models.

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Related Genie Resources

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Genie Serial Number Lookup

Identify your GS model and year

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Gen 6 Ground Control Box

Fix E12/E13/E15 errors - $250 core credit

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Genie Brand Hub

Parts, guides, and resources

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Expert Support

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