JLG ES series scissor lifts (1930ES, 2030ES, 2630ES, 2646ES, 3246ES)
JLG error code 006 — LIFT UP PREVENTED - MAX HEIGHT ZONE A
Message on the display: LIFT UP PREVENTED - MAX HEIGHT ZONE A
Code 006 occurs in machines: JLG ES series, 4045R, R4045.
blocking fault
The vehicle has reached the maximum height and further lift up motion is not possible. Applicable to 2630ES or 3246ES.
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
- Check that the zone is set appropriately for the platform load.
- Check that the platform height is at the rated maximum height specification (20’ for 2630 or 26’ for the 3246).
- Check that the elevation angle sensor is securely mounted.
- If there are any elevation sensor faults (DTC 251, 252, 2511, or 2512), troubleshoot those first.
- Check that ANALYZER -> MACHINE SETUP -> MODEL setting is correct.
- Check that ANALYZER -> MACHINE SETUP -> MARKET setting is correct.
- Check ANALYZER -> DIAGNOSTICS -> ELEV SENSOR -> ZEROED is about 1.53V for the 3246 or about 1.22V for the 2630 when at full height. If not, repair or replace the elevation angle sensor.
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 006 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.