Service Guide
1.2.4. LED indicators no light when working
Problem
Analyze and
identify the
causes
Solutions
All manuals and user guides at all-guides.com
LED indicators no light when working
1. LED1 damaged or PCB copper foil broken
2. LED1 , R7 defective or dry-soldered
Check and replace
Version 1.0
SP-S110
Page 10 of 19