What does Gree error E1 mean?
E1 means the pressure in the AC's refrigerant system went too high, so the AC stopped the compressor to protect itself. In summer this usually happens when the outdoor unit cannot get rid of heat.
Why does code E1 appear?
- The outdoor unit's coil (condenser) is clogged with dust.
- The outdoor fan is not running or is running slowly.
- The outdoor unit sits in a tight or hot spot with no airflow.
- Too much refrigerant was filled, or something blocks the system inside.
What can you safely check for E1?
- Switch the power off for 5 minutes, then start the AC again.
- Clear anything around the outdoor unit so air can flow freely.
- Watch whether the outdoor fan turns when the AC runs. Don't put your hand or anything inside.
Safety: never reach into an electrical panel, board, gas pipe or the inside of an inverter yourself. You can get a shock or release gas. This is a mistri's job.
When should you call a mistri?
If the code comes back or the outdoor fan doesn't run, call a mistri. Washing the condenser, checking the fan motor and measuring gas pressure are a mistri's job. Never open a gas pipe or valve yourself.