ERR27 after pressing the horn button
Fault Causes:
1.Horn wiring short circuit
2.Horn failure
Troubleshooting Methods:
Turn off the Stacker and disconnect horn wiring harness.
Power on the Stacker and press horn button.
If ERR27 persists: Confirmed horn wiring short circuit.
If ERR27 cleared: Horn itself failure (replace horn).
Warranty Period:
One year (not applicable for human - caused damages such as water ingress or collisions).