JLG ES series scissor lifts (1930ES, 2030ES, 2630ES, 2646ES, 3246ES)
JLG error code 998 — EEPROM FAILURE - CHECK ALL SETTINGS
Message on the display: EEPROM FAILURE - CHECK ALL SETTINGS
Code 998 occurs in machines: JLG ES series, 1932RS, 6RS, 3248RS, 10RS, 4045R, R4045.
blocking fault
The control system detected an EEPROM failure.
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
- Replace ground board.
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 998 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
- 995POWER MODULE FAILURE - PERSONALITY RANGE ERROR
- 996POWER MODULE FAILURE - INTERNAL ERROR
- 997POWER MODULE FAILURE - CHECK POWER CIRCUITS OR MOSFET SHORT CIRCUIT
- 999FUNCTION LOCKED OUT - POWER MODULE SOFTWARE VERSION IMPROPER
- 2210TRIGGER CLOSED TOO LONG WHILE IN NEUTRAL
- 2211FOOTSWITCH CLOSED TOO LONG WHILE IN NEUTRAL