6.1 Error Messages
CA5350
6-2
6.1 Error Messages
An error in the self-diagnosis at the power on or a failure in the panel operation or
remote control causes an error message to be displayed.
This chapter describes the content, cause, and corrective action of main error messages.
When the repair is required, please contact NF Corporation or one of our
representatives.
When you request the repair of
CA5350
, please let us know the content of an error
message if it is displayed. An error message not listed in this instruction manual may be
displayed due to a malfunction caused by strong external noise.
A special message not listed here may be displayed, for instance, when the firmware is
updated. If other manual are supplied, refer to such manual.
6.1.1 Errors at Power ON
At the power on, the self-diagnosis is conducted and if an error is found, an error
message as listed below is displayed on the LCD.
Table 6-1 Error message list at Power ON
Error message
Content and Cause
Corrective action
ROM ERROR
Internal memory (ROM) error Turn off the power once, and
turn it on again.
If the error occurs again, the
device is defective, requiring
the repair.
If either of these errors is
detected, the error message is
kept displayed, and the device
cannot proceed to usual
operation.
RAM ERROR
Internal memory (RAM) error
NVRAM1 ERROR
Correction values have been
lost.
An error is found in the
contents of the calibration
data memory.
Defective memory
HARDWARE
ERROR
Hardware error
NVRAM2 ERROR
Settings have been lost.
An error is found in the
contents of the setting
memory.
Defective memory
Temporary failure due to
power off, etc. during setting
change
Re-set the lost data.
When lost is detected, contents
will initialize to the factory
default settings, and the device
will proceed to usual operation.
If this error message is
displayed
every time when the power is
turned on, the device is
defective, requiring the repair.