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Saturday, 7 December 2013

Problem: The roaster will not light or the flame goes out during the roast.

Troubleshooting roaster ignition

Originally From Diedrich's old site:

Resolution

Key locations for cleaning are:

  • The lower chaff compartment
  • The drum chaff tray
  • The cooling bin screen
  • The blower impeller
  • The rear chaff collector duct
  • the chimney (from the down pipe of roaster to the top of the chimney)

Tools Needed

  • One small Flathead Screwdriver
  • One small Philips Screwdriver
  • One Wire Brush
  • One Putty Knife
  • One small Pipe Cleaner or Paper Clip
  • Electrical meter

Details:

This is a classic symptom of an airflow issue. With this sheet you will be able to determine whether or not the symptoms are related to compromised air flow.

If your machine does not light, try making an air adjustment. With your machine turned on, move the air flow control from the cooling bin position to the 50/50 position. If the gas ignites you have proven there is an air flow or cleaning issue.

The burners going out during a roast and long roast times can also be signs of airflow problems.

With the burners lit, open one of your burner access doors. If this has either a positive or negative effect on the burners such as brighter burners (or dimmer) it is definitely airflow related.

From the roaster to the top of the chimney, all of these separate components combine into a balanced air flow system. Residue built up anywhere in the roasting system can affect the roaster’s function. This build up of residue will cause the airflow to be diminished, shutting the gas flow down to your burners. There can be a build-up of residue on impeller blades, air flapper, exhaust ports, etc.

Foreign objects in your chimney can also hinder the correct amount of air flow. Check for water dead birds, or other animals that may have got in there anything that impeeds airflow causes this problem.

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