47
P.
No heat (for GAS MODELS ONLY)...Direct Spark Ignitor lights, but there is no flame at burner...
1. Direct Spark Ignition (DSI) probe is out of adjustment...
a. Reposition ignitor assembly closer to the burner ribbon area. Also, check to make sure ribbon in burner
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 the top of the burner. Gap
must be
set 1/8” ± 1/32” (3.175
mm ± 0.792 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.
Q. No heat...ignitor sparks, but burner goes on and off right away...
1. Flame sensor (probe) is out of adjustment...reposition closer to the flame area.
2. Failed 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.
R. 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) of water column.
2. Low and/or inconsistent gas pressure.
3. Insufficient make-up air.
4. Poor air/gas mixture at burner...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.