CCU_SR PHY4 Fault

What does LED_PHY4_OFF mean?

The PHY4 LED on the CCU_SR module of the KUKA KRC4 Sunrise Cabinet Med Controller is OFF, indicating a fault condition. This typically relates to the physical layer transceiver for network communication, suggesting a problem with a network connection or the transceiver itself.

• Internal malfunction of the PHY4 transceiver.
• Network cable not properly connected or damaged.
• Faulty CCU_SR module.

Click steps to track your progress.

1. 1

   Check all network cables connected to the CCU_SR module for proper seating and physical damage.

2. 2

   Power cycle the KUKA KRC4 Sunrise Cabinet Med Controller to reset the network transceivers.

3. 3

   Observe other network-related LEDs (e.g., L/A KSB) for additional diagnostic information.

4. 4

   If the fault persists after these checks, prepare to exchange the CCU_SR module.