KFAS: Fanuc CNC Parts, Service, & Repair

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SV0437 SP9030 alarm on Fanuc 30iB control with Alpha i-B amplifiers (Fanuc Manual B-65285EN)

Alarm Code 01 (SV0437, SP9030)
(1) Meaning
The main circuit power module has detected an abnormal condition.
(2) Cause and troubleshooting
(a) Unbalanced input power supply voltage → Check the specifications of the input power
supply.
(b) Different AC reactor specifications
(c) Fault in the power module
→ Check the specifications of the Power Supply
and AC reactor.
→ Replace the Power Supply.

SV0437 SP9030 (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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