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If the input voltage exceeds the 20% of the operating voltage, the Frequency display will indicate
“HIdc” and the alarm will sound, since the input voltage has reached above the requirement
range of operating voltage for this AC Power Source. Consequently, the “FAIL” indicator will blink
while the “PROTECT” indicator will light up. The Voltage and Current displays will show the
overloaded voltage and current respectively.
If the input voltage cuts off for a short period and return as normal, the Frequency display will
indicate “AcLP”. This shows that an abnormal input voltage has occurred and thus the alarm will
sound. Consequently, the “FAIL” indicator will blink while the “PROTECT” indicator will light up.
The Voltage and Current displays will show the overloaded voltage and current respectively.
If the fuse is blown, the Frequency display will indicate “FUSE”. This shows that the input voltage
has exceeded the fuse protection rating and causes the fuse to blow and thus the alarm will
sound. Consequently, the “FAIL” indicator will blink while the “PROTECT” indicator will light up.
The Voltage and Current displays will show the overloaded voltage and current respectively.
If the IGBT is overloaded, the Frequency display will indicate “IGbt” and the alarm will sound.
Consequently, the “FAIL” indicator will blink while the “PROTECT” indicator will light up. The
Voltage and Current displays will show the overloaded voltage and current respectively.
If the heat sink of the instrument itself has exceeded 110℃, the Frequency display will indicate
“OtP”. This shows that the heat sink is overheated and thus the alarm will sound. Consequently,
the “FAIL” indicator will blink while the “PROTECT” indicator will light up. The Voltage and Current
displays will show the overloaded voltage and current respectively.
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