Owner manual

12-23
AC zero cross signal error
Indoor display
ሱلሱ
Outdoor error
Outdoor display
ممሱ
AC zero cross signal error
1.Checklist :
1) Check the power condition at customer's house (Is there any power noise?)
2) Have been there power failure?
2. Troubleshooting procedure
Is the AC line zero cross signal error
appeared again?
YES
Terminate the
service
NO
Exchange the Outdoor PBA
Restart aŌer power oī