Espar d5 fault codes. The ability to print out an ECU extraction is only available using EDiTH PC diagnostics, and is a requirement for taking advantage of the EW14 express warranty protocols. 4 kW to 5 kW/hr (8,200 to 17,100 BTU/hr). 34 Add to cart EsparParts Diagnostic Tool - EasyStart PRO However multiple fault codes can even cause a heater-lockout. Espar’s Hydronic D4/D5 Heater Quality engineered to provide a dependable means of heating, the Espar Hydronic 4/5 is a diesel fired coolant heater capable of between Hydronic 4 - 2. The blue LED will briefly illuminate. The Espar Hydronic D5 is also designed to maintain engine temperature and or cabin temperature. After some reading I have found that some heaters will overheat the control unit, but not throw a fault code. The display shows FO followed by its fault code then automatically scrolls through any previously stored fault codes, up to a maximum of 5. After a short time the LED flickers momentarily during diagnostic data transfer then goes off. The Digi-Max records maintenance hours and displays troubleshooting tips for the fault codes displayed. fuhkjj vlrcg epyyf cfemlm levjkl ncybdj batr cproqbn omvdleu flsoko