FANUC aiPS Alarms

Fanuc Alpha I Power Supply Alarms and Error Codes

Fanuc Alpha I Power Supply Alarms. These apply to : PSM-5.5i, PSM-11i, PSM-15i, PSM-26i, PSM-30i, PSM-37i

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Alarm Code Description of Alarm/Error
1 ( For PSM-5.5i to 15i)
The main circuit power module (IPM) has dedected an abnormal condition.
1 ( For PSM-5.5i to 37i)
Over current flowed into the input of the main circuit.
2 A cooling fan for the control circuit has stopped.
3 The temperature of the main circuit heat sink has risen abnormally.
4 In the main circuit the DC voltage (DC link) has dropped.
5 a. The input power supply is abnormal.

b. The main circuit capacitor was not recharged within the specified time.

6 The control power supply voltage decreases.
7 In the main circuit the DC voltage at the DC link is abnormally high.
A A cooling fan of external cooling has stopped.
E The input power supply is abnormal (open phase)