KEBA charger housing becomes unusually hot to the touch during normal charging, even at moderate current

Safety first: Overheating can lead to fire. If the housing is too hot to touch comfortably, stop using the charger and switch off power.

Steps:

• 1. Verify installation conditions: Ensure the charger is installed according to KEBA's clearance and ambient temperature requirements.
• 2. Check cable sizing: Have an electrician confirm that the supply cable cross-section is adequate for the configured charging current and run length.
• 3. Tighten all power connections: With power off, tighten terminals at the input block, main contactor, and Type 2 socket.
• 4. Inspect for discoloration: Look for brown or blackened plastic around hot spots, indicating chronic overheating. Replace affected components.
• 5. Reduce current limit: Temporarily lower the maximum charging current in the KEBA configuration and monitor temperatures during a test charge.

If overheating persists, replace any heat-damaged parts and consider relocating the charger to a cooler, better-ventilated area.