When the stove’s pellet function does not ignite, it can be due to several reasons. The following is required to get a good ignition and a stove that continues to burn properly:

• An igniter that works.
• Augers that work so the correct amount of pellets are moving up to the brazier.
• A fan that works so enough air is supplied to the combustion.
• There must be no ash blocking the air pathways or ash blocking new pellets coming up to the brazier.
• The grey air damper for wood, which controls primary, secondary and tertiary air supply must always be closed when you burn in pellet mode (see picture below).

If you have checked, that these things are working correctly, then a failed ignition may be due to a lack of chimney draft. Check if the draft is optimal by heating the chimney with small wood sticks before turning on the pellet function of the stove. We recommend the following procedure:

Step 1

Start with cleaning under the brazier and the hole of the igniter (on the left side) for ash. After prolonged use, the ash can become hard and block the hole of the igniter either on the outside or inside and thereby prevent the igniting of the pellets. Check for both.  
It might be necessary to use a sharp metal part to loosen hardened ash and soot, e.g., a screwdriver. See pictures below:

  
Before cleaning                                                 After cleaning

Step 2

Turn the stove on and check if the hole for the igniter becomes red/glows after few minutes (see illustration below). If you have cleaned for ash waste and it does not glow, the igniter is either defect, or the cable is not properly connected. Check for both.



Remove the square cover located on the left side of the stove (see picture 1) to find the igniter.

Check if the wires are properly connected (picture 2) and if there is pellet waste in the hole where igniter is placed and inside the igniter itself (picture 3). When inserting the igniter, push it fully in and pull it 1 mm back again. Turn on the stove and check if the igniter now glows and if it does not glow, replace the igniter with a new one. If the igniter glows and stove still cannot ignite the pellets, then read step 3 in this guideline. 

Dismount the square cover located on the left side of the stove (see picture 1) to find the igniter.
Check if the wires are properly connected (picture 2) and if there is pellet waste in the hole where igniter is placed and inside the igniter itself (picture 3). When inserting the igniter, push it fully in and pull it 1-2 mm back again. Turn on the stove and check if the igniter now glows and if it does not glow replace the igniter with a new one and check if the stove can ignite now. If the igniter glows and stove still cannot ignite the pellets, then continue to follow this guideline to step 3.

Picture 1: Remove the square cover which is placed on left side
Picture 2: Check if the wirers are connected correctly.
Picture 3: Check for pellet waste in the igniter tube


This video shows how easy it is to find and replace the igniter and how the wires should be connected: 

Step 3

Air and draft are crucial for the ignition to work properly. You can hear when the fan is working, but you can also check if it works properly by holding a piece of paper in front of the fan nozzle and check if the paper is being sucked in. Measure the draft and see if you have the required 12 PA when stove/chimney is cold. You can heat up the chimney with small wood sticks and turn on the stove once the chimney is heated up. If this helps the pellet ignition, then we know you have a deficient chimney draft. Then, a Draft Optimizer will solve your ignition problem. 
 

Step 4

If the ignition still does not work even when the stoves is cleaned, the igniter glows and is functional, and the draft/fan works, then the problem may be due to one of the following reasons:

• There are not enough pellets at the top of the brazier. Fill up with pellets and turn on the stove again. Make sure that there are enough pellets in the pellet container, and some times pellets may be on the edge so that the auger cannot reach them. Check the amount of pellets underneath the brazier. It is not always enough to see visible pellets. If both augers are functioning correctly, it should be possible to create a pile of pellets. Check if you can create a pile of pellets the size of a molehill. If you cannot, one of the augers is not working correctly. 
   
• If new pellets are not coming up to the brazier, even if the pellet container is full of pellets, then you must examine the gear motors and the two augers through a manual operation. See our FAQ: “How do I solve noise problems from my Aduro Hybrid?”, in which we show how to perform a manual operation and activate the two augers without turning on the stove itself through the Hybrid app. This way, you can check if the augers are rotating. You can also examine if the augers are rotating by pressing and holding down the “auger logo” button on the display of the stove. Are both augers rotating correctly? Are pellets moving up to the brazier? Can you create a large pile of pellets? 
   
• If one of the augers does not rotate or does not turn in the correct direction, then the fault may be due to a defect gearmotor/auger, a piece of plastic/metal that came with the pellet bag, or that the cable is not connected correctly. First, check the cables for the gearmotor of the auger that does not work properly. If this does not help, then change the gearmotor for the auger that does not rotate properly and change the black box "capacitor" located close to the gearmotor as well.

Step 5

In very rare cases, the control board may be defective, causing a gearmotor to work incorrectly and thus not supplying enough pellets to the brazier. The control board can be found by opening the lower left panel and taking it slowly out (see pictures on the next page). The control board has several inputs (L1-L7) and each have their own LED light, which lights up when the input is activated. Check if the L4 led light is on when the igniter is turned on. If output L4 does not light up when the cables are properly connected, the control board must be replaced. Also, check if the LED for inputs L1 (long auger gearmotor) and L3 (short auger gearmotor) light up when you activate them by holding the auger button down on the display down. 

Picture 1: Unscrew the cover to reach control board
Picture 2: Control board