Error codes for Diesel Heater

Diesel Heater is a heater that is designed to heat air and keep it warm. This heater has been designed to provide better performance than other heating systems since it is efficient and durable. It comes with an affordable price tag that makes it affordable for almost every homeowner.

This heater is considered as one of the best heaters that are available in the market today. The performance of this heater has been proven by numerous consumers who have purchased this product for their personal use. It is also considered as one of the most efficient heaters that are available on the market today. It uses advanced technology to maintain its efficiency and delivers exceptional results every time you use it.

However, there are also some common issues that homeowners have with their Diesel Heater editions that can lead to inconvenient situations and even expensive repairs. The purpose of this article is to provide a comprehensive guide on how to identify these common issues so that you can be able to solve them quickly and effectively. Let’s check out some of the common problems and their possible solutions.


You can prevent the heat exchanger from overheating. As soon as the sensor sends a signal, it shuts down the heater. It is currently very hot in the sensor zone, and the temperature of the heat exchanger is over 250°C. Check that the intake and outlet of the heating unit are clear so that heated air can enter and exit. Check the fan’s integrity and its performance. Check the temperature sensor and replace it if you find that it needs to be replaced. Check for carbon deposits that are on the inside of the heat exchanger. If necessary, remove them from the heat exchanger.


There is a possibility of overheating at the intake temperature sensor. As for the sensor temperature (control unit), it is more than 55 degrees. One of the reasons why the control unit is insufficiently cool for five min. Purging prior to startup or overheating the control unit during operation.  Check that the intake and outlet of the heater are open, so that air can enter and exit. Then re-start the heater to cool it down. Change the control unit if needed to.


A bad temperature sensor (PLANAR-2D) or flame indicator. There may be short circuits in the wiring of the sensor.  Check that the sensor has the correct rating, as in 5.3 or 5.5, and replace it if it is damaged.


Sensor for overheating – open circuit. A faulty sensor. The terminal block is made by oxidizing the contacts in the terminal block.  Check the circuit of the overheat sensor for being open. Take care of the oxidation from the connector contacts.


You have a very defective glow plug. There is a short circuit, there is an open circuit, a faulty control unit. Check the control unit, and if necessary, replace it.


The motor of the air blower is not able to develop the necessary speed.  There is a friction in the bearings, and there is often a contact between the impeller and the fan shroud in the blower. A faulty electric motor.  If possible, check your electric motor to correct the fault. Replace your air blower if necessary.

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