TCM FB30-8 - Troubleshooting by Problem

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3. TROUBLESHOOTING GUIDE
3.6 TROUBLESHOOTING BY PROBLEM
(1) The LCD panel is blank.
101(RY)
F4
F4
101(RY)
100(RL)
100(RL)
5(R)
R5
RY101
RL100
F4
CN1-11
LCD panel
Key switch ... Turn it ON.
Below10 V
40 V or
more
LCD panel
Key switch
Key switch
Key switch
Below10 V
Below10 V
Below10 V
Below10 V
40 V or
more
40 V or
more
40 V or
more
40 V or
more
Key switch ... Turn it ON.
Key switch ... Turn it OFF.
Key switch ... Turn it OFF.
Key switch ... Turn it OFF.