E83

Emergency Stop of Indoor Unit

Mitsubishi Electric · Mitsubishi FR-D700 Inverter

What does E83 mean?

The indoor unit has initiated an emergency stop, indicating a critical safety or operational fault. This requires immediate attention to prevent further damage or unsafe conditions.

Additional Steps

Steps 1–2 are listed in Priority Fix.

  1. 3

    Check power supply to the indoor unit for stability, measuring input voltage at the main terminals.

Source: Mitsubishi FR-D700 Inverter
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