Mitsubishi Electric E.IAH

Brand: Mitsubishi ElectricModel: FR-A800Error code: E.IAH

What the Fault Means

Abnormal internal temperature (IP55 compatible models only)

Likely causes

  • Check for too high surrounding air temperature.
  • Check if the internal air circulation fan or the cooling fan stops due to a fault.

Solution and Safe First Checks

  1. Install an inverter suitable for the installation environment. (Refer to the Instruction Manual (Hardware).)
  2. Replace the internal air circulation fan or the cooling fan.

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Mitsubishi Electric error codes

Source: the Zeror.ai industrial fault database and Mitsubishi Electric technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.