Direct electrical fault in the wiring to the net pressure transmitter. Internal BUS fault
Fault appears │ ▼ Is it temperature (E05-E08)? → Check oil level → Clean cooler → Test fan │ ▼ Is it pressure (E11-E15)? → Check unloader → Inspect pressure sensor → Check for leaks │ ▼ Is it motor/electrical (E20-E23)? → Reset thermal relay → Check phases → Measure voltage │ ▼ Is it oil/maintenance (E30-E33)? → Replace filter/separator → Refill oil → Reset counter │ ▼ Persistent? → Call Boge service (have serial number and error ready) Boge Compressor Fault Codes
For a full, model-specific list, download the for your controller from the official Boge website or contact an authorized distributor. Direct electrical fault in the wiring to the