Alarm Code 03 (SV0431, SP9058)

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SV0431 SP9058 alarm on Fanuc 30iB control with Alpha i-B amplifiers (Fanuc Manual B-65285EN)

Alarm Code 03 (SV0431, SP9058)
(1) Meaning
The temperature of the main circuit heat sink has risen abnormally.
(2) Cause and troubleshooting
(a) Failure in the heat sink cooling fan
Check the rotation state of the heat sink cooling fan.
→ Replace the heat sink cooling fan.
(b) Degradation of the cooling capacity due to dust in the heat sink
→ Clean the heat sink and cooling system using factory air or a vacuum cleaner.
(c) Overloaded operation
→ Review the operating conditions.
(d) The control printed circuit board is not correctly attached.
Push in the control printed circuit board in the front section of the Power Supply as far as it will
go. If it does not go in easily, pull it out and then push it in again.

SV0431 SP9058 (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