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UH

UH - Current sensor error

Mitsubishi Heavy Industries · R410A Systems

What does UH mean?

A fault has been detected in the current sensor, which monitors the electrical current within the system. This can lead to incorrect readings or safety shutdowns.

Common Causes

  • Malfunctioning current sensor.
  • Wiring issue to the current sensor.
  • Faulty control board.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power cycle the unit by turning off the dedicated circuit breaker for 30 seconds.

  2. 2

    Restore power and observe if the error clears.

  3. 3

    If the error continues, it indicates a component failure that requires diagnosis by a professional technician.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

E0E0 - Transmitting/receiving signal errorE12E12 - Auto address setting error or unit addressed at factory settingE14E14 (Flashes 3 times) - Master/slave system control wiring error
Source: Mitsubishi Heavy Industries R410A Systems
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