Midea · Mini-split

dE Demand response input error

Menu / mode display Midea DLFSHBH wall indoor (DLCM multi-zone)

What the display is showing

The demand response input signal is in error. No fix steps given.

Applies to: DLFSHBH high wall indoor units 09-24K (Midea / Carrier / Viessmann) on DLC multi-zone or single-zone outdoor units

Models that show this code

5 models in Midea DLFSHBH wall indoor (DLCM multi-zone)

DLFSHBH09XAKDLFSHBH12XAJDLFSHBH12XAKDLFSHBH18XAKDLFSHBH24XAK

Other codes on the same units

LL Controls locked
Off Timer off
On Timer on
SC Self clean running
SD Power abnormal detection
dF Defrost
nA No fault
nF Filter replacement reminder

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Source: Midea DLFSHBH09XAK indoor display table (photo, 2026-10-16); Carrier MS-DLFSHB-01 High Wall Ductless Service Manual (04/2021), Display Function p.12. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.