Maytag MDG-75 User Manual
Page 59
55
c. Ignitor does not spark and module locks out (RED indicator stays on).
1) Fault in high voltage (HV) wire ... break or loose connection.
2) Failed ignitor probe assembly.
3) Failed direct spark ignition (DSI) module.
J.
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) water column (W.C.).
2. Restriction in ductwork...
a. Dryer back draft damper is sticking partially closed.
b. Restriction and obstruction in ductwork...
1) Check ductwork from the dryer ALL the way to the outdoors.
3. Insufficient make-up air.
4. Impellor (fan and blower) is rotating in the wrong direction (for 3-phase [3ø] Models ONLY).
5. Lint screen is dirty or is not being cleaned often enough.
6. Inadequate airflow...
a. Impellor (fan and blower) failure.
GAS MODELS...
1) Low or inconsistent gas pressure.
Natural Gas pressure - must be a consistent 3.5 inches (8.7 mb) of water column.
Liquid propane (L.P.) gas pressure - must be a consistent 10.5 inches (26.1 mb) of water
column.
2) Poor air and gas mixture at burner (too much or not enough air) at the burner...yellow or poor
flame pattern...
a)
Not enough make-up air.
b)
Restriction in the exhaust ductwork.
3) Sail switch is fluttering...
a)
Lint screen is dirty or is not being cleaned often enough.
b)
Restriction in the exhaust ductwork.