JLG ES series scissor lifts (1930ES, 2030ES, 2630ES, 2646ES, 3246ES)
JLG error code 9917 — HIGH RESOLUTION ANALOG TO DIGITAL FAILURE - INTERRUPT LOST
Message on the display: HIGH RESOLUTION ANALOG TO DIGITAL FAILURE - INTERRUPT LOST
blocking fault
The ground board detected armature, field, or pump current while function was not commanded.
Description from the JLG service manual, in the original wording.
Possible causes
The manual does not list the causes for this code: the service technician establishes them during diagnosis of the machine.
Checks from the manual
- Pump Motor being turned backwards by a faulty check valve in the hydraulic system.
- Software issue on the controller. Update software.
What service does
A qualified service technician reads the code with the manufacturer's diagnostic tools, finds the cause, clears the code and carries out a function test.
Source: JLG Service and Maintenance Manual, ES series (Diagnostic Trouble Codes section).
The descriptions are quoted from the manufacturer's service documentation and are for guidance only. Clearing codes, calibrations and repairs are carried out by a qualified service technician according to the manual for the specific serial number. A machine with an active blocking code must not be used until the cause has been removed.
Does code 9917 not go away?
RK Rental services JLG lifts at our workshop or on site at the customer's premises (construction site, factory, warehouse). We read the code, remove the cause and select the parts by serial number.
Neighbouring JLG codes
- 9910FUNCTION LOCKED OUT - PLATFORM MODULE SOFTWARE VERSION IMPROPER
- 9911FUNCTION LOCKED OUT - LSS MODULE SOFTWARE VERSION IMPROPER
- 9912POWER MODULE FAILURE - SYSTEM MONITOR
- 9924FUNCTIONS LOCKED OUT - MACHINE NOT CONFIGURED
- 9950POWER MODULE FAILURE - INTERNAL ERROR
- 9951POWER MODULE FAILURE - INTERNAL ERROR