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SV0439, SP9011 alarm on Fanuc 30iB control with Alpha i-B amplifiers (Fanuc Manual B-65285EN)

Alarm Code 07 (SV0439, SP9011)
(1) Meaning
In the main circuit, the DC voltage at the DC link is abnormally high.
(2) Cause and troubleshooting
(a) Excessive regenerative power
The capacity of the Power Supply is insufficient.
→ Check the specifications of the Power Supply and review the operation of the motor.
(b) The impedance of the power supply is high.
→ Check the impedance of the power supply. (Normal if the voltage variation at maximum
output time is within 7%)
(c) The main circuit was disconnected with emergency stop canceled
→ Check the sequence or magnetic contactor.

SV0439, SP9011 (Fanuc Manual B-65285EN)

This alarm is applicable for the following units

A06B-6200-H003 αiPS 3-B
A06B-6200-H008 αiPS 7.5-B
A06B-6200-H011 αiPS 11-B
A06B-6200-H015 αiPS 15-B
A06B-6200-H026 αiPS 26-B
A06B-6200-H030 αiPS 30-B
A06B-6200-H037 αiPS 37-B
A06B-6200-H055 αiPS 55-B

A06B-6202-H003 αiPS 3-B
A06B-6202-H008 αiPS 7.5-B
A06B-6202-H011 αiPS 11-B
A06B-6202-H015 αiPS 15-B
A06B-6202-H026 αiPS 26-B
A06B-6202-H030 αiPS 30-B
A06B-6202-H037 αiPS 37-B
A06B-6202-H055 αiPS 55-B

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