How do I test my Eberspacher heater?

How do I test my Eberspacher heater?

Check voltage on heater’s harness on the heater’s side (pins 1 and 10 on Airtronic connector). Turn the heater ON and make sure that the voltage is still OK. Repair harness and connections if necessary. Being turned on, heater just blows cold air, never stops and never performs a start attempt.

How do I reset my airtronic?

Also how to perform an Espar heater reset….For Airtronic D2/D4 heaters using the DIGI-DIAGNOSTIC TOOL/CONTROLLER:

  1. While in diagnostic mode push and hold both arrow buttons until “EE” is displayed on the screen.
  2. To exit diagnostic mode hit the ON / OFF button.
  3. To shut the unit down hit the ON / OFF button again.

Why does my eberspacher smoke?

White smoke is unburnt fuel so some fuel was getting to the heater. Shut down after about 10 minutes confirms the Eberspacher has tried to start twice in the normal manner but the fuel has not ignited. Once an Eberspacher gets close to the point of failure and needs a service it usually gets worse rapidly.

How does an Eberspacher heater work?

Eberspacher air heaters are independent both of the engine and of the vehicle’s own heat balance. They draw in cool room or outside air, heat this up and then deliver it to the interior of the vehicle. Air heaters are an excellent solution for commercial vehicles of every type.

How do I turn off my Eberspacher diesel heater?

Switching off the Heater (Manually) The heater may be switched off at any time by pressing the key. The heater cooling down cycle of 3 minutes will then be initiated. Wait for blower fan to stop before isolating batteries (if isolator is fitted).

How do I reset my eberspächer 801?

With the heater switched on, press and hold key until the display shows ‘dA’. The blue LED will briefly illuminate. Release the key. After a short time the LED flickers momentarily during diagnostic data transfer then goes off.

What is Eberspacher heating?

Why do Chinese diesel heaters smoke?

The main reason for a thick smoke at the beginning of combustion cycle is accumulation of soot on interior walls of heat exchanger. Diesel models are more susceptible to smoke problem than gasoline models due to presence of paraffin and other additives.

How much power does an eberspacher diesel heater use?

Although the heater uses minimal power while operating, it does draw around 10A for approx 30-60 seconds during the start up and shutdown period – this is to heat the glow pin to approx 1200 degrees C in order to ignite the diesel on start up, or burn off any combustion residue before shutdown.

Where is the fuel pump on an eberspacher heater?

The fuel dosing pump is mounted inline between the fuel source and the heater. It comes with a special rubber holder which dampens the pump noise. It is very important that the fuel pump sits at a 15-30 degree horizontal incline.

What should I do if my eberspacher fan does not start?

† If the heater does not ignite within 90 seconds after the fuel starts to pump, the start is repeated. If the heater still does not ignite after another 90 seconds of pumping fuel, the heater is switched off, i.e. the fuel supply is off and the fan runs on for approx. 4 – 5 minutes.

What does glow plug on eberspacher diesel heater do?

Carbon build up in diesel heaters can be a problem and Eberspacher have thought of a solution. They run their glow plug at the beginning and end of each run cycle to ensure the combustion chamber is cleared of any excess fuel and carbon. A small amount of smoke is produced during this burn off, but it’s barely noticeable.