Remote Troubleshooting - Eiki EK-620U Service Manual

3-6 Remote Troubleshooting

Start
Is the remote controller Change Remote
No No
Change Battery Is the problem solved?
function ok ? control
Yes
Replace IR sensor
No
Is the problem solved?
Board
Yes
Yes
Is the problem solved?
No
Replace M/B
Yes
No fault found
End
EK-620U/EK-621W 3-7