Error codes › Diesel Air Heaters › Chinese generic diesel air heater (Vevor / Hcalory / VVKB and clones — shared mainboard) › E-03
Chinese generic diesel air heater (Vevor / Hcalory / VVKB and clones — shared mainboard) error code E-03
Abnormal voltage. OEM-equivalent: Webasto EVO F03 (under/over-voltage); Espar D2 010/011 (over/under-voltage cut-off); Autoterm 12/15.
What to check, and in what order, is in the app. The flow Diesel Forced-Air Heater — entry diagnostic (Espar / Webasto / Autoterm / Chinese) 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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