Girard GSWH-2 error code E9
Flame sensor short — flame sensed BEFORE ignition attempt (buzzer sounds). Indicates short in the flame sensor circuit — probe touching burner, wires shorted to ground, or wiring pinched.
What to check, and in what order, is in the app. The flow Girard GSWH-2 / GSWH-1 / GSWH-2S — error code / symptom diagnostic walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Girard_GSWH-2_Service_Manual.txt
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