Cummins/Onan — Test With or Without Load

Operation · Transfer Switch Control Panel

From a Cummins/Onan service manual covering: GT30160EQ5KA000, GT40063XN52A000, GT40063YN52A000, GT40063ZN52A000. Check it applies to your exact model before use.

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Procedure

1. Verify that the transfer switch is set to test with or without load, as desired.
2. To start a test, press and hold the Test Pushbutton for two seconds or ground the Remote Test input.
3. To end the test, momentarily press the Test pushbutton or remove the ground from the Remote Test input.

Source: Cummins/Onan service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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