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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