103
Battery is draining
Kone · Elevator Control
What does 103 mean?
The battery is currently experiencing a discharge event. This is a warning only, indicating that power is being drawn from the battery.
Common Causes
- Normal battery discharge during machine operation.
- Unexpected discharge current when machine should be idle (parasitic load).
- Charger not active or charging at an insufficient rate during operation.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the presence and stability of the main AC power supply to the Kone Elevator Control system, ensuring no intermittent power loss.
- 2
Measure the battery charging voltage and current at the battery terminals to confirm proper function of the charging circuit.
- 3
Inspect battery terminals, wiring, and connections for any signs of corrosion, damage, or looseness.
- 4
Check Kone Elevator Control system parameters related to battery management, such as charging setpoints and discharge thresholds, against manufacturer specifications.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kone Elevator Control