FANUC Alpha Power Supply Errors and Alarm Codes

Please refer to the following alarm codes pertain to the FANUC 200VAC and 400VAC PS modules with codes PSM HV, PSM, and PSM-R (part numbers started from A06B-6077, A06B-6081, A06B-6087, A06B-6091). Knowing your error code could help us provide you with the fast and precise evaluation for FANUC power supply repair or exchange services.

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Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC power supply. Call 630-616-0039 or fill up a contact form.

Alarm CodeDescription of Alarm/Error
1Overcurrent flowed into the input of the main circuit.
2A cooling fan for the control circuit has stopped.
3The temperature of the main circuit heat sink has risen abnormally.
4In the main circuit the DC voltage (DC link) has dropped.
5The main circuit capacitor was not charged with the specific time.
6The control power supply voltage decreases.
7In the main circuit the DC voltage at the DC link is abnormally high.
8There is excessive short-term regenerative power
AA cooling fan of external cooling has stopped.
EThe input power supply is abnormal (open phase)
HThe temperature of the regenerative resistor has risen abnormally.

PSM-5.5i, PSM-11i, PSM-15i, PSM-26i, PSM-30i, and PSM-37i Alarm / Error Codes

Alarm CodeDescription 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.
2A cooling fan for the control circuit has stopped.
3The temperature of the main circuit heat sink has risen abnormally.
4In the main circuit the DC voltage (DC link) has dropped.
5a. The input power supply is abnormal.
b. The main circuit capacitor was not recharged within the specified time.
6The control power supply voltage decreases.
7In the main circuit the DC voltage at the DC link is abnormally high.
AA cooling fan of external cooling has stopped.
EThe input power supply is abnormal (open phase)

Request a Free Consultation

Please contact us for free consultation about any of the following error codes, or any other problems with your FANUC power supply. Call 630-616-0039 or fill up a contact form.