:
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
18
DIAGNOSIS AND SOLUTION (CONT.)
Zero Crossing Detection Error (EL02)
Troubleshooting
Error Code EL02
Malfunction decision conditions
When the PCB does not receive a zero crossing signal feedback for 4 minutes or the zero crossing signal
time interval is abnormal.
Supposed causes
Connection mistake
PCB Faulty
Check if the connections and
the power supply is normal.
Correct the connections. Turn on the
unit when the power supply is good.
No
Yes
Indoor main PCB is
defective. Replace the
indoor main PCB.
To Next Page
Loading...
