1. List of Alarms
1.5 System Alarms
I - 29
The bold characters are the messages displayed on the screen.
Message Details
Remedy
Z51 EE
ROM
ERROR
000x
This occurs when the parameters
were not correctly written into the
EEROM.
Formatting of the machine
manufacturer macro program area did
not end correctly.
The machine manufacturer macro
program was not written into the
FROM correctly.
<Type>
Z51 ROM error 0001: Open error
Z51 ROM error 0002: Erase error
Z51 ROM error 0003: Write error
Z51 ROM error 0004: Verify error
• If the same alarm is output by the same
operation, the cause is an H/W fault.
Contact the Service Center.
• Reformat the area.
• Write to the FROM again.
Z52 BATTERY
FAULT
The voltage of the battery inserted in
the NC control unit has dropped. (The
battery used to save the internal data)
• Replace the battery of the NC control unit.
• After treating the battery‚ check the
machining program.
Z53 TEMP.
OVER
The controller or operation board
temperature has risen above the
designated value.
(Note 1)
• Cooling measures are required.
Turn OFF the controller power‚ or lower
the temperature with a cooler‚ etc.
Z55 RIO
NOT
CONNECT
This occurs when an error occurs in
the communication between the
controller and remote l/O unit.
• Cable breakage
• Remote l/O unit fault
• Power supply to remote l/O unit fault
(Note 2)
• Check and replace the cables.
• Replace the remote I/O unit.
• Check the power supply. (existence of
supply‚ voltage)
Z57 SYSTEM
WARNING
The program memory capacity setting
value cannot be formatted.
The expansion cassette (HR437) is
not mounted after formatting.
An expansion cassette different from
the expansion cassette (HR437)
mounted during formatting is
mounted.
(Note 3)
Check the state of the following items.
• Program memory capacity
• Status of expansion cassette (HR437)
mounting
• APLC open option
Z58 ROM
WR
UNFIN
The machine manufacturer macro
program was not written to the FROM
after being registered, edited, copied,
condensed, merged, the number
changed, or deleted.
• Write the machine manufacturer macro
program to the FROM.
* If the operations, such as editing, done
while the NC power was OFF can be
invalidated, the program does not need to
be written to the FROM.
Summary of Contents for MELDAS 60 Series
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