Error codes › Diesel Air Heaters › Chinese generic diesel air heater (Vevor / Hcalory / VVKB and clones — shared mainboard) › E-04
Chinese generic diesel air heater (Vevor / Hcalory / VVKB and clones — shared mainboard) error code E-04
Air outlet temperature sensor failure. OEM-equivalent: Webasto EVO F14 (blow-out/hot-air-outlet temp sensor); Autoterm 31 (hot-air-outlet sensor, PLANAR-8DM).
What to check, and in what order, is in the app. The flow Diesel Air Heater — Overheat Shutdown 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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