HVACopediaMidea · Mini-split
LC05 Speed limited by voltage
What the display is showing
Compressor frequency limited because of supply voltage.
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)
Other codes on the same units
- LC01 Speed limited by condenser temperature
- LC02 Speed limited by discharge temperature
- LC03 Speed limited by current
- LC06 IPM high temperature / PFC frequency limit
- LH00 Speed limited by indoor coil temperature
- LH07 Speed limited by remote
- PC00 Inverter module (IPM) protection
- PC0A Condenser high temperature protection
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Source: Carrier MS-DLFSHB-01 High Wall Ductless Service Manual (04/2021), Table 9 p.17. 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.