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ALARM FUNCTION
1. Error Alarm Function
When you turn the power ON, the PS carries out self-diagnostics to check for any hardware errors.
If an error is found, an error number is displayed accompanied by an alarm to inform the operator.
The following three error numbers are displayed to indicate the error type:
Display Indication PS Status
A fatal error has occurred. Replace the PS.
Same as above
The battery is at the end of its life. Replace the battery.