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Gree Error Code dC: Indoor capacity DIP setting wrong (Heat Pump)

Updated · by Aurora Star Tech Inc.

Gree error code dC on a heat pump means: Indoor capacity DIP setting wrong. It is also called Gree diagnostic code dC.

Medium severityHeat PumpGree GMV6 Mini VRF

Homeowner? What Gree code dC means for you

Check, then call Your heat pump is reporting: Indoor capacity DIP setting wrong. This is often caused by something simple. Try the safe checks below; if the code returns, book a service call before it turns into a no-heat or no-hot-water emergency.

Safe things you can check yourself

  • Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
  • Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
  • Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
  • In winter, keep snow and ice off and away from the outdoor unit. A short defrost cycle with steam is normal.
  • Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.

Call (647) 657-2977Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Gree error code dC mean?

Capacity DIP switches are wrong, usually after a board replacement.

Applies to: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V..WL/C-T(U))

Common causes of Gree code dC

  • DIP switches not copied from old board
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Gree models that use code dC

GMV-V36WL/C-T(U)GMV-V48WL/C-T(U)GMV-V60WL/C-T(U)

Other Gree Heat Pump codes

CodeMeaning
d1Indoor main board fault
d3Indoor return air sensor open or shorted (15K)
d4Indoor coil inlet pipe sensor open or shorted (20K)
d5Indoor coil middle pipe sensor open or shorted (20K)
d6Indoor coil outlet pipe sensor open or shorted (20K)
d9Indoor jumper cap fault
ddWiring/EEV check running (status)
dHWired controller board fault
dLIndoor discharge air sensor open or shorted (15K)
dnWrong interconnect wiring or EEV fault
E0Outdoor unit fault (shown with another code)
E1High pressure protection

All Gree Heat Pump error codes →

Gree code dC: homeowner questions

What does Gree code dC mean?

Indoor capacity DIP setting wrong. Capacity DIP switches are wrong, usually after a board replacement.

Is it safe to keep using my heat pump with code dC?

It depends on the cause. This is often caused by something simple. Try the safe checks below; if the code returns, book a service call before it turns into a no-heat or no-hot-water emergency.

Can I reset Gree code dC myself?

You can try one reset (power off for 30 seconds, then on). If Gree code dC comes back, the cause is still there and a licensed technician should check it.

Who can fix Gree code dC near me?

Aurora Star Tech Inc. repairs Gree heat pumps in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

Homeowner help: AC Running But Not Cooling: What to Check · Heat Pump Not Heating or Blowing Cold Air

Troubleshooting guides

Source: Gree GMV6 Ultra Heat Mini VRF 36-60k (GMV-V36-48-60WL-C-T(U)) service.pdf - section Chapter 3 Faults, 4.1 Error Indication. Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency HVAC Service

647-657-2977