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Q. No heat (GAS MODELS ONLY) ... ignitor sparks but there is no flame at burner ...
1. Direct Spark Ignition (DSI) ignitor probe out of adjustment ...
a. Reposition ignitor assembly closer to the burner ribbon area. Also check to make sure ribbon is flush
ALL around the top of the burner tube (ribbon should not stick up at any area).
b. Check gap between ignitor assembly and top of the burner. Gap must be set 1/8” +/- 1/32” (3.175 mm
+/- 0.79248 mm).
2. Failed ignitor flame-probe assembly or problem with wiring connections to the assembly.
3. No gas (check shutoff valves) or insufficient (low water column [W.C.] pressure) gas supply.
4. Failed DSI module.
5. Failed gas valve.
R. No heat (GAS MODELS ONLY) ... ignitor sparks, burner goes on and off right away...
1. DSI flame sensor (probe) out of adjustment ... reposition closer to the flame area.
2. Failed DSI flame sensor (probe).
3. Sail switch is fluttering ...
a. Lint drawer/screen is dirty or clogged.
b. Restriction in exhaust ductwork.
4. Insufficient make-up air.
5. Failed DSI module.
S. Dryer operates, but is taking too long to dry...
1. Exhaust ductwork run is too long or is undersized ... back pressure must be no less than 0 and cannot
exceed 0.3 inches (0.74 mb) W.C..
2. Low and/or inconsistent gas pressure (GAS MODELS ONLY).
3. Insufficient make-up air.
4. Poor air/gas mixture at burner (GAS MODELS ONLY) ... yellow or poor flame pattern. Adjust gas
burner air adjustment shutters.
5. Lint drawer/screen is not being cleaned out on a regular basis or often enough.
6. Extractors (washers) are not performing properly.
7. Sail switch is fluttering...restriction in exhaust ductwork.