6. 2 Errors which can not be checked on the LCD panel.
The recovery methods for the troubles that are not checked on the LCD panel
are described in the following.
<
Note
>
Do not fail to read before troubleshooting.
?
When performing the following works, turn OFF the power switch and plug off
the power cord from the outlet without fail.
·
Replacing the thermal head
·
Removing front and/or rear cover of the printer
·
Checking the connection and electrical contact of harness
·
Replacing the parts such as printed circuit board, sensor, motor, etc.
·
Removing or mounting the encoder unit into the printer unit.
·
Connecting the optional units
·
Removing covers of the optional units
Symptom
Condition
Check/Repair
AC power is not
supplied.
(
1
)
Check if the power supply matches
specification
(
voltage range
)
of the
product.
(
2
)
Check whether the cable is correctly
connected.
(
3
)
Check whether the circuit protector
is in normal condition.
Harness connection is
not normal.
(
1
)
Check the harness connections.
·
ASM- AC1
·
ASM- AC2
·
ASM-DC
·
ASM-OPERATION
LED does not
light when the
power is turned
ON.
Defective circuit
boards and/or power
supply
(
1
)
Replace the following and check
operation.
·
PBA-MAIN
·
PBA-OPEPANE
·
POWER SUPPLY
Nothing is
shown on the LCD
panel when power
is turned ON.
(
LED lights
)
Harness connection is
not normal.
(
1
)
Check the harness connection.
·
ASM-OPERATION