Mitsubishi FR-A800 Error Code E.IPF

Mitsubishi PLC & VFD Major Power Loss

Model: FR-A800 | Code: E.IPF

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

Symptoms

Instantaneous power failure detected.

Possible Causes

  • Mains power interruption
  • Input phase loss
  • Transient voltage dip

Troubleshooting Steps

  1. Step 1: Check input voltage stability
    Voltage stable
  2. Step 2: Verify input phases
    All phases present
  3. Step 3: Configure power ride-through if needed
    Ride-through configured

How to Reset

Reset via parameter unit after power stabilizes.

Related Mitsubishi Fault Codes

Source: Mitsubishi FR-A800 Instruction Manual, Mitsubishi Electric

Category: PLC & VFD