23
DIAGNOSIS AND SOLUTION (CONT)
Fan speed is out of control diagnosis and solution (E3)
Error Code
E3
Malfunction decision conditions
When the indoor fan speed keeps too low (300RPM) for certain time, the unit stops and
the LED displays the failure.
Supposed causes
S
Wiring mistake
S
Fan assembly faulty
S
Fan motor faulty
S
PCB faulty
Fix the malfunction
causing the fan to be blocked
Fig. 29 – Troubleshooting