Mitsubishi FR-A800 Error Code E.OLT

Mitsubishi PLC & VFD Major Motor

Model: FR-A800 | Code: E.OLT

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

Symptoms

Stall prevention activated during operation.

Possible Causes

  • Motor stall detected
  • Excessive load torque
  • Motor undersized

Troubleshooting Steps

  1. Step 1: Check for mechanical obstruction
    No blockage
  2. Step 2: Verify load torque
    Torque within motor capability
  3. Step 3: Verify motor sizing
    Motor properly sized

How to Reset

Reset via parameter unit after stall condition is removed.

Related Mitsubishi Fault Codes

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Source: Mitsubishi FR-A800 Instruction Manual, Mitsubishi Electric

Category: PLC & VFD