Troubleshooting Guide

Table Of Contents
8.4.2.7 E8 (Outdoor fan speed has been out of control) diagnosis and solution
Error Code E8
Malfunction decision
conditions
When outdoor fan speed keeps too low (300RPM) or too
high(2400RPM) for certain time, the unit will stop and the LED will
display the failure.
Supposed causes
Wiring mistake
Fan ass’y faulty
Fan motor faulty
PCB faulty
Trouble shooting: