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PROBLEM ERROR DISPLAYED FOR CUSTOMER ERROR DISPLAYED IN SERVICE MODE POSSIBLE CAUSE(S) POSSIBLE REPAIR REQUIRED
Flash ROM
EEPROM
No error displayed. Dryer will continue to
operate normally unless checksum errors
are found on parameters critical to safe
operation of the unit. Standard problem
screen will be displayed if unsafe
condition exists.
Screen will display "FLASH ROM is
reading or writing improperly"
Checksum errors have been
found. Data is not being
stored correctly in control.
1.) Main control board
Inlet
Thermistor
No error displayed. Dryer will default to
controlling temperature using the inlet
thermostat and cycling the heater on and
off.
Screen will display "There is a problem
with the inlet thermistor. Please check
and replace if necessary"
Thermistor reading is out of
expected range.
1.) Check wiring connections
between inlet thermistor and
inverter board
or
2.) Inlet thermistor
or
3.) Inverter board
Outlet
Thermistor
No error displayed. Heater will be limited
to 60% of maximum power.
Screen will display "There is a problem
with the outlet thermistor. Please check
and replace if necessary"
Thermistor reading is out of
expected range.
1.) Check wiring connections
between outlet thermistor and
inverter board
or
2.) Outlet thermistor
or
3.) Inverter board
Moisture
Sensor
No error displayed. Dryer will operate
using timed drying for all cycles.
Screen will display "There is a problem
with the moisture sensor. Please check
and replace if necessary"
Control has determined the
moisture sensor rods are
shorted.
1.) Check wiring connections
between moisture sensor and
inverter board
or
2.) Moisture sensor
or
3.) Inverter board
Heater
No error displayed. Dryer will operate
using Air Dry for all cycles.
Screen will display "There is a problem
with the heater. Please check and
replace if necessary"
After each of the thermistors
have been checked and no
heating is detected by either
thermistor, even though the
control turned the heater on,
the error will be displayed.
1.) Check wiring connections
or
2.) Heater
or
3.) Thermostats
or
4.) Inverter board
Error Charts