
1.2.1
Power LED (indicator) unlight
Attention
Please follow the numbered sequence marked withing parenthesis given in individual
flow chart, in that this is the best-recommended sequence to rectify the problems.
Resolder or replace defective component(s)
Problem
Power LED (indicator) unlight
Analyze and
Identify the
Causes
Solutions
Page 6/17
Version:
.0
2
G
uide
S
ervice
Diode D1-D4
burnt
Defective power
switch or LED
Secondary wire
of transformer is
disconnected or
defective
SP-HF1100X