JLG boom lifts (450AJ, 600AJ, 800AJ, 460SJ, 660SJ, 860SJ, 1250AJP, M450AJ, M600JP)
JLG error code 2221 — LIFT/SWING LOCKED - JOYSTICK MOVED BEFORE FOOTSWITCH
Message on the display: LIFT/SWING LOCKED - JOYSTICK MOVED BEFORE FOOTSWITCH · flash code 2/2
Code 2221 occurs in machines: JLG 860SJ, 800S, 600AJ, 600S, 660SJ, 800AJ, 800A, 460SJ, 400S, 1250AJP, M450AJ, E450AJ, M600JP, E600JP, 1100S, 1100SJP, 340AJ, 600SC, 600SJC, 660SJC, 450AJ SII, 510AJ.
blocking fault
A lift / swing function was selected with Footswitch open.
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
- If triggered by the Lift and/or Swing joystick not being in the neutral position at Startup, the UGM shall prohibit Lift and Swing. If triggered by Lift and/or Swing joystick is not in the neutral position when Footswitch becomes active or while DTC 2212, 2213 or 2223 is active, the UGM shall not Enable the Machine.
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 Manuals: 600AJ (3121201), 800AJ (3120858), 460SJ, 860SJ, 1250AJP (3122581800), M450AJ (3121829), M600JP (3121711), Diagnostic Trouble Codes tables.
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 2221 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.