CITIZEN CLP-2001 - Manual (Page 45)

LCD indication Description Corrective actions
ROM Err ROM checksum errorTurn off the power and reset the printer. If this
recurs, contact our service personnel.
RAM Err RAM checksum errorTurn off the power and reset the printer. If this
recurs, contact our service personnel.
System error (such as
timer, or CPU running
out of control) System
is protected and the
printer is reset
First protect the system, then reset the printer.
4.2 Power Troubleshooting
Pfoblëm Cause and remedy
No power éveil with
power switch turned ON.
Power cord is not
properly connected to
the outlet.
Power cord is not
properly connected to
the power inlet.
Input voltage is hot
correct; input voltage is
greater or less than the
rated voltage.
Proper RS-232C cable is
not used.
-> Turn off the power switch and
properly reconnect the power
, cord to the outlet.
Turn off the power switch and
properly reconnect the power
cord to the power inlet.
Set input voltage within the
rated voltage (puncture voltage
may occur. Contact our senrice
personnel).
Turn off the power switch and
unplug the Interface cable.
Check that power is delivered by
turning on the power switch and
use the proper RS- 232 C cable.
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