Mitsubishi FR-A800 Error Code E.P24

Mitsubishi PLC & VFD Major Power Supply

Model: FR-A800 | Code: E.P24

Applicable Systems
MELSEC FX3U MELSEC FX5U FR-A800 FR-A700 MR-J4 iQ-R Motion Controller (R32MTCPU/R16MTCPU)

Symptoms

DC 24V power supply anomaly detected.

Possible Causes

  • 24V supply overloaded
  • 24V supply short circuit
  • Internal power supply fault

Troubleshooting Steps

  1. Step 1: Check 24V load
    Current within rated range
  2. Step 2: Inspect 24V wiring for shorts
    No short circuits
  3. Step 3: Verify internal 24V supply
    Voltage within spec

How to Reset

Reset via parameter unit after 24V supply repair.

Related Mitsubishi Fault Codes

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Source: Mitsubishi FR-A800 Instruction Manual, Mitsubishi Electric

Category: PLC & VFD