Readjust the positioning of the key or check the antenna ring wiring. Faulty DLA cable or key is in the "OFF" position.
Re-copy your Machine ID and verify the key code generator matches your software version exactly. Wrong computer system date.
The process for "installing" or setting up a key code on a JCB machine involves either pairing a physical transponder key programming a digital PIN into the immobilizer system. Digital Key Code Installation (PIN Programming)
For most standard JCB backhoes, telehandlers, and excavators, follow these steps to program a new key code:
For mechanics needing to reset or activate an immobilizer after an ECU update:
Insert the Red Master Key into the ignition. Turn the ignition to the "ON" position (do not crank the engine) for 5 seconds. The dashboard immobilizer light will begin flashing rapidly, indicating the system is open for programming.
Turn the key to the second position and hold for 5–10 seconds to prime the engine. Start: Turn the key fully to start the engine.