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M. Microprocessor controller (computer) locks up and L.E.D. (light emitting diode) display reads
erroneous messages or only partial segments
1. Transient power voltage (spikes), disconnect power to dryer, wait one (1) minute, and reestablish
power to dryer. If problem is still evident.
a. Failed microprocessor controller (computer).
b. Failed keyboard label (touch pad) assembly.
N. Dryer stops during a cycle and L.E.D. (light emitting diode) display returns to "FILL"
1. Fault in microprocessor heat sensor circuit.
a. Loose connection in wires between temperature sensor and microprocessor controller (computer).
2. Loose connection somewhere in main power circuit to microprocessor controller (computer).
O. Gas heating unit is not operating (no heat), no spark at burner area when dryer is first started,
and heat indicator is on
1. Fault in sail switch circuit
a. Sail switch is out if adjustment or had failed.
b. Sail switch damper is not closing or is fluttering
1. Lint screen is dirty.
2. Restriction in exhaust.
2. Fault in burner hi-limit circuit or thermostat.
3. Fault in lint chamber sensor bracket hi-heat protector thermostat.
4. Failed Direct Spark Ignition (DSI) module.
5. Failed DSI (Direct Spark Ignition) ignitor and flame probe assembly.
6. Failed microprocessor controller (computer).
P. No heat, ignitor sparks, burner goes on and off right away
1. DSI (Direct Spark Ignition) ignitor or flame-probe out of adjustment, reposition closer to the flame area.
2. Sail switch is fluttering
a. Lint screen dirty.
b. Restriction in exhaust duct work.
3. Insufficient makeup air.
4. Failed ignitor and flame-probe assembly.
5. Failed Direct Spark Ignition (DSI) module.
6. Failed gas valve.