User Manual
26 
The following table shows the various messages that may alert the user: 
System message 
Description 
IAC TOO HIGH! 
AC input current too high 
VBUS NO CHARGE! 
Internal PFC VBUS is not charged 
VAC TOO LOW! 
AC input voltage too low 
VAC TOO HIGH! 
AC input voltage too high 
MEMORY CHECK ERROR! 
Cannot read or write the internal non-
volatile memory 
OVER TEMPERATURE 
PROTECTION! 
Internal temperature is too high and the 
protection mechanism is activated 
FAN ERROR! 
FAN not functioning 
EXCEED OVP! 
Output voltage  exceeds  maximum OVP 
setting point 
EXCEED OCP! 
Output current exceeds maximum OCP 
setting point 
CALIBRATION ERROR! 
Calibration cannot be done 
AC FREQUENCY ERROR! 
AC input frequency is out of range 
PFC ERROR! 
PFC not functioning correctly 
POWER OFF 
Power supply is powering off 










