TCM FB20-8 - Page 229

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3. TROUBLESHOOTING GUIDE
(2) MC contactor does not work. (The travel, load handling, and EPS systems are inoperative.)
11(RW)
216(RG)
216(RG)
101(RY)
101(RY)
RW11
11(RW)
11(RW)
11(RW)
RW11
RG216
RY101
100(RL)
F4
100(RL)
RL100
F4
5(R)
R5
F4
CN1D-7,8
Drive motor
inverter
CN1D-7,8
Pump motor
inverter
PS1E-17
EPS motor
controller
All of these are
below 10 V.
All of these are
40 V or more.
Any of these is
below 10 V.
Drive motor inverter
or
Pump motor inverter
or
EPS motor controller
PO relay
40 V or
more
Below 10 V
PO relay
PO relay
Key switch
MC contactor
Key switch
Key switch
40 V or
more
40 V or
more
40 V or
more
40 V or
more
40 V or
more
40 V or
more
40 V or
more
MC
contactor
MC
contactor
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it ON.
Key switch ... Turn it OFF.
Key switch ... Turn it OFF.
Key switch ... Turn it OFF.
Below 10 V
Below 10 V
Below 10 V
Below 10 V
Below 10 V
Below 10 V
Below 10 V