Fanuc Alpha Power Supply Alarm Codes for 6081, 6083, 6077, 6087, 6091 And 6110 Series PSU Modules
AL01 The main circuit power module (IPM) has detected am Error (PSM-5.5,-11)
Overcurrent flows into the input of the main circuit (PSM-15 to –30)
AL02 A cooling fan for the control circuit has stopped
AL03 The Temperature of the main circuit heat sink has risen abnormally
AL04 In the main circuit the DC voltage (DC Link) has dropped
AL05 The main circuit capacitor was not recharged within the specified time
AL06 The Input Power Supply is abnormal (open phase)
AL07 In the main circuit the DC Voltage at the DC link is abnormally high
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