3.3 Running Mode
3-8
3.3.3 Monitoring warnings
The FRENIC-MEGA identifies abnormal states in two categories-- Alarm and Warning. If a warning occurs, the
running status monitor (frequency display, etc.) and warning code
*
display alternately on the LED monitor.
Which abnormal states are categorized as a warning (“Warning” object) should be defined with function codes H81,
H82, and H83 beforehand. Furthermore, by assigning the warning “L-ALM” (data = 98) to a general-purpose output
terminal, “L-ALM” signals are out to that terminal when a warning occurs.
* -- is added to the first 2 digits of the alarm code.
Example) “--0H1” is displayed if cooling fin overheating 0H1 is assigned to a warning.
Running status monitor display
For details of the warning objects, refer to Chapter 6 “TROUBLESHOOTING.”
■ Checking the content of past warnings
The content of warnings in 5_37 (Warning content (previous)) to 5_39 (Warning content (3rd last)).
For details on the menu transition of the maintenance information, refer to “3.4.5 Reading maintenance
information “Maintenance Information: 5.CHE”””.
■ Resetting light warnings
Refer to function codes H81, H82, and H83, and Chapter 6 “6.4 If a Warning Code is Displayed” , and eliminate
the cause of the warning.
Once the cause has been eliminated, the warning code will no longer be displayed, and the general-purpose
output “L-ALM” will also turn OFF.
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