Gree Air Conditioner
Gree AC E7 error
Mode conflict (multi-split)
Most people can clear this with the simple steps below.
What it means
Indoor units connected to one outdoor unit are set to opposite modes (for example one cooling, one heating).
Common causes
- Different modes selected on different indoor units
Try this at home first
Tick each step as you go
When to call a technician
Only if it continues with the same mode on all units.
Safety first
Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.
Frequently asked questions
What does E7 mean on a Gree Air Conditioner?
Mode conflict (multi-split). Indoor units connected to one outdoor unit are set to opposite modes (for example one cooling, one heating).
Can I fix Gree Air Conditioner error E7 myself?
Usually yes. Start with: Set all indoor units to the same mode.
Is it safe to keep using the Air Conditioner with E7?
Yes, once the cause is fixed.
Other Gree AC codes
Same code on other brands
Sources
We write every explanation in our own words from these references.
Last checked: 2026-10-20