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ErrorLib — Industrial Fault Code Library

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HOLD

Operation panel lock

Mitsubishi Electric · Mitsubishi FR-E800 Variable Frequency Drive

What does HOLD mean?

The operation panel is in a locked state, disabling all operations except pressing the STOP/RESET key. This feature is typically used to prevent unintended changes to inverter operation parameters or commands.

Common Causes

  • Operation panel is locked.
  • The control panel is disabled or in a locked state.
  • Security lockout activated on the HMI.
  • User privilege level does not allow operation.
  • Key switch is in the 'locked' position.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Press and hold the MODE key for 2 seconds to release the operation panel lock.

Browse all codes in this manual (55)
Verified technical data. Last updated: April 2026

Related Faults

CFContinuous operation during communication faultDIPDuplicate IP addressE.1Option Fault / Internal Contact Failure
Source: Mitsubishi FR-E800 Variable Frequency Drive
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