If Power Supplies do not light up LED

If do not light up LED supply power

The power supplies have triggered a safety mechanism, due to Cytron board failure or 5KP24CA diode failure or power module LRS-350-24 failure.

Please follow these steps to diagnose the issue with your power modules:

1. For power modules where the green LED is off:

   • Disconnect Diode #1→ Does the green power LED turn on?

     • Yes → The issue is with this diode. Replace diode 5KP24CA (available from us or locally).

     • No → Proceed to step 2.

2. Disconnect Citron MD13S wire #2 → Does the green power LED turn on?

   • Yes → The issue is with the Cytron MD13S (replace it, available from us or locally).

   • No → Replace the power module LRS-350-24 (replace it, available from us or locally).

If the steps above are not successful, then the motherboard is not supplying 115V/230V to the power supply. Since the power supplies are connected in parallel, all power supplies will be de-energized.

Let me know your findings, and I’ll assist with the necessary replacements.