Daikin FTXN-LV - Error Code E3: High Pressure Protection

TS13-01 Troubleshooting manual 29
E3
Description
High Pressure protection
Supposed Cause
1) faulty high pressure switch , connector or wire harness
2) Indoor filter, outdoor coil dirty.
3) Outdoor fan not running, unit overcharge, stop valve is closed.
Troubleshooting