Alarm # Led Display Content of Alarms
8 4 2 1
1 o Motor Overheat
2 o Speed deviates from commanded speed
3 o o Fuse F7in DC link is blown out.
4 o Fuses F1,F2,F3 for AC input blown out.
5 o o Fuses AF2 or AF3 on PCB are blown out.
6 o o Excess Motor Speed Analog
7 o o o Excess Motor Speed Digital
8 o Voltage higher than specified (24v)
9 o o Radiator for power semiconductor overheat
10 o o +15Volt Supply is low
11 o o o DC Link voltage is high
12 o o DC Link current is high
13 o o o CPU and peripheral parts are defective
14 o o o ROM is defective
15 o o o o Option circuit fault.