YASKAWA FS100 Maintenance Manual page 133

Alarm Alarm Name Sub
Number Code
18
19
20
21
790 MEMORY BATTERY
WEAK
820 CNTR01R HARDWARE
ERROR
Meaning Cause
The number of operation Data error
instructions exceed the
permissible value.
Main CPU board failure
A syntax error was found in the Data error
CNT instruction or TMR
instruction.
Main CPU board failure
A syntax error was found in the Data error
JMP-LABEL instructions.
Main CPU board failure
The label of JMP destination does Data error
not exist.
Main CPU board failure
Main CPU board battery is Connection failure
weakening.
Connection failure
Sub Code: Option board. Number CNTR01R board failure
× 100 factor
factor:
1 ROM ERR
2 RAM ERR
3 CPU ERR
4 SHARED MEMORY ERR
5 CNTR ASIC ERR
Remedy
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, initialize the appropriate data in maintenance
mode, and then load the data saved in the external memory device.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, initialize the appropriate data in maintenance
mode, and then load the data saved in the external memory device.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, initialize the appropriate data in maintenance
mode, and then load the data saved in the external memory device.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, initialize the appropriate data in maintenance
mode, and then load the data saved in the external memory device.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the controller. Save the CMOS.BIN before
replacement to be safe.
(1)Confirm that the battery is appropriately connected to the main CPU board.
(1)Replace the battery in accordance with the instructions in FS100
MAINTENANCE MANUAL.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the CNTR01R board. Save the CMOS.BIN
before replacing the board to be safe.
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