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10
MAINTENANCE SERVICE AND TROUBLE SHOOTING
If you replace the sequencer without checking the other components carefully, the
sequencer may be damaged again. Therefore, please first check if the other
components working normally before replacing the sequencer in maintenance.
No action
Confirm that there's no power failure,
and the power plug is inserted reliably.
The power switch is at "On" mode.
Measure the
voltage of the two ends of the
power input of the sequencer
Measure
the resistance
between the inner terminal of the
black(or blue) wire connected to the red twin-
core plastic part of the wire unit and the
power receptacle
Measure
the resistance
between the black(or blue) wire
inner terminal connected to the red twin-
core plastic part of the wire unit and the
black(or blue) wire (connecting to
power cord) of the wire
unit
Measure
the resistance between
the blue single-core plastic part
inner terminal of the wire unit and the white(or
brown) wire (connecting to power cord)
of the wire unit
Replace the sequencer
Replace
the power cord
Replace the wire unit
Replace the wire unit
The resistance is 0
The resistance is 0
The resistance
is 0
infinite
infinite
infinite
Pull off the power plug
Not exist
N
Y
Exist
Y
N
Replace the fuse
Connect the fuse and the
wires of the two ends
Check if the fuse is burnt
Check if the
connection between the fuse
and the wires of the two ends are
well
At the same time please check if the
other electric components are normal
Содержание XQBM22-C
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