PS2 Off

Power Supply 2 (Medium Battery Backup) Not Present / Controller Sleep State

Kuka · Sunrise Cabinet Med Controller

What does PS2 Off mean?

The PS2 Voltage Green LED is OFF, indicating either that Power Supply 2 (with medium battery backup) is not present or that the controller is in a Sleep state. This could mean the controller is not fully operational or is in a low-power mode, potentially affecting overall system responsiveness.

Common Causes

  • Power Supply 2 (PS2), potentially for medium battery backup, is offline.
  • Failure or disconnection of the PS2 unit.
  • The controller has entered a sleep state, deactivating PS2.
  • Battery backup for PS2 has failed or is disconnected.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the infeed at connector X1 for proper power supply.

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Verified technical data. Last updated: March 2026

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Source: Kuka Sunrise Cabinet Med Controller