CHAPTER 13 Troubleshooting
Lithium battery
The messages shown in Table 13.5 are displayed when the voltage of the lithium battery has
dropped. Also, an alarm message notifying initialization of the calendar information will be
displayed when the power is turned on after replacing the lithium battery. If these messages are not
cleared after replacing the lithium battery, a poor battery cable connection is the probable cause.
Table 13.5 Lithium Battery Error Messages
Message
(1st line)
Message
(2nd line)
Cause
LiBATT
The voltage of the lithium battery has dropped.
Calendar Initial The calendar information has been reset.
This message is displayed immediately after
the lithium battery is replaced.
SCF:alarm
SCF:warning
Other error messages
Table 13.6 Other Error Massages
Message
(1st line)
Message
(2nd line)
Cause
SCF:idling... xxx min. POWER xxx minutes passed since the power was
restored.
RCI Mainte Mode
The RCI mode has changed for maintenance.
I/O Power on Waiting for I/O units to power up.
Please Levelup Firmware upgrade processing failed.
Please try again.
SCF:warning
0x-CPU Config
Mixed CPU types detected.
SCF:stop
RCI Timeout
Time-out detected by RCI communications.
FMEM Protected
Mounted flash memory is write-protected.
Syshalt xxxxxxxx
System HALT detected.
I2C#x
I2C diagnostics (x: I2C bus number).
SCF Watchdog
SCF watchdog detected.
BUSerr xxxxxxxx
Bus error detected.
ADRerr xxxxxxxx
Address error detected.
SCF:alarm
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