JLG Scissor Lift 822 Fault Code: LSS Cell #2 Error
Also called Platform Load Sense - LSS Cell #2 Error
LSS Cell #2 Error · ai-assisted, editor-reviewed · Last updated 2026-07-13
TL;DR
Fault 822 means the JLG Load Sensing System (LSS) has detected an error with load cell #2 on the platform. The machine treats this as a platform overload condition and locks out lift, telescope, rotate, and level functions until power is cycled and the fault clears.
High severity. This code disables nearly all platform motion functions and shows a platform overloaded screen. It is a functional lockout, not a slow-developing wear item, so the machine is effectively down until the load sense circuit is verified good.
What does JLG Scissor Lift error code 822 mean?
Fault 822 is triggered by the JLG Load Sensing System, which uses load cells under the platform to detect how much weight is on board. This code specifically points to an error being reported by load cell #2, one of the sensors used to calculate total platform load.
When the UGM (the machine's control module) sees the platform station active, the platform option enabled, a platform attached, and the LSS module reporting an error on load cell #2, it assumes it cannot trust the load reading and reacts as if the platform is overloaded.
Because the system cannot verify the load is within safe limits, it shuts down the functions that could make an overload worse or create instability: lift up and down, telescope in and out, platform rotate left and right, and platform level up and down. The cabin LCD displays a platform overloaded screen, and the fault stays active until the machine is power cycled.
What triggers a JLG Scissor Lift 822 code?
The fault sets when the UGM detects all of the following at once: the platform station is active, the platform option is enabled, a platform is detected as attached, and the LSS module is reporting an error specifically on load cell #2.
Common causes of 822
- A fault or internal error within the LSS module itself related to load cell #2's signal.
- A wiring or connection problem between load cell #2 and the LSS module, including damaged, corroded, or loose connectors.
- A failed or out-of-range load cell #2 sensor.
- A platform detection or configuration mismatch that causes the system to flag the load reading as invalid.
How to troubleshoot JLG Scissor Lift 822: first checks
- Inspect the wiring harness and connectors running to load cell #2 for visible damage, corrosion, or loose pins.
- Confirm the platform is properly attached and seated, since the fault logic depends on the platform being correctly detected.
- Check the LSS module for any other active faults or error indications that might point to a broader load sense system problem rather than just cell #2.
- Look for physical damage or interference around the load cell #2 mounting area that could be affecting its readings.
- Power cycle the machine after inspection to see if the fault clears, since this fault latches until a power cycle.
How the code clears
This fault latches until a power cycle. There is no separate reset procedure listed beyond cycling machine power after the underlying load cell #2 issue has been inspected and corrected. No specific check procedure is listed for this code beyond the described trigger conditions.
Frequently asked questions
What does JLG fault code 822 mean?
It means the Load Sensing System has detected an error with load cell #2 on the platform. The machine responds as if the platform is overloaded and disables lift, telescope, rotate, and level functions.
Can I still drive the machine with fault 822 active?
The listed actions for this fault deactivate lift, telescope, rotate, and level functions and disable the platform module function enable relay, along with showing a platform overloaded screen. No driving-specific outputs are listed as affected, but always treat the machine as down until the load sense error is resolved and verified safe.
How do I clear fault code 822 on a JLG scissor lift?
The fault latches until the machine is power cycled. There is no other reset procedure listed, so a technician should inspect the load cell #2 wiring and connections before cycling power to see if the fault returns.
Why does the platform overloaded screen show up when the platform isn't actually overloaded?
Because fault 822 is triggered by an error reported by load cell #2 itself, not necessarily an actual overload. The system cannot distinguish between a real overload and a faulty sensor reading, so it defaults to the safe overload response.
Is fault 822 related to the platform being attached?
Yes. The trigger conditions require the platform station to be active, the platform option enabled, and a platform detected as attached, in addition to the load cell #2 error being reported.
What is the difference between load cell #2 and other load cell errors on JLG machines?
This description is specific to load cell #2 within the LSS module. Other load cells in the system would have their own separate fault codes, and this code should not be confused with issues on a different cell.