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d3 (DRM3 - 75%)

d3 display — Demand Response Mode 3 (DRM3) activated, 75% energy cap

Haier · Air Conditioners

What does d3 (DRM3 - 75%) mean?

This indicates Demand Response Mode 3 (DRM3) is active, capping the air conditioner's energy consumption at 75% while continuing to cool or heat at a slightly reduced capacity.

Common Causes

  • Activated during peak demand events by the energy provider

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    No action is required from the user, as this is an automatic energy-saving mode.

  2. 2

    The unit will continue to provide cooling or heating at a slightly reduced capacity.

  3. 3

    Wait for the demand event to conclude, upon which the unit will return to normal operation.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

CL displayCL displayed on panel & remote — Self-Clean operation activatedE1E1 — Indoor temperature sensor failureE14E14 — Indoor fan failure
Source: Haier Air Conditioners
Open Manual (Page 48)Search more codes in this manual