Amana NED7200TW Informations Techniques page 5

Troubleshooting
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless
testing requires power.
Diagnostic Codes
Code Description Trigger
1 Dryer The
Thermistor Thermistor
Short Sensed resistance is
very low.
2 Thermistor The
Open Sensed Thermistor
resistance is
very high
3 Door Circuit Invalid state
Failure for more
than 256
milliseconds
4 Possible If either
motor motor
transistor transistor is
error seen open or
shorted
during startup
Stuck Key A key is
8
sensed to be
pressed
more than
75 seconds,
the key shall
be assumed
to be stuck.
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WARNING
Action Taken
Check for:
- Clogged lint
screen.
- Restricted vent
system.
- Check Thermistor
resistance.
Display Fault/Error Codes
Check for:
- Low ambient
Display Description
temperature in
room (Below
50°F/10°C).
- Outside vent
damper is stuck
open in wintertime.
- Loose or open
wire terminals.
- Check Thermistor
resistance.
Check for:
- Loose or open
wire terminals in
Door Sense circuit.
Check for:
- Loose connections
in motor circuit.
- Run System
Check Mode and
check the motor
relay function.
- If relay functions,
disregard the
diagnostic code.
- If relay does not
function, replace
machine control
board.
Run membrane pad
check and replace
console w/membrane
pad if necessary.
5
Code Description Trigger
10 No Wet Sensor bar
Clothes detects no wet
clothes while a
Sensor Dry
Cycle
Trigger
tS Dryer The
Thermistor Thermistor
Short Sensed resistance is
very low.
do Door Open Running the
dryer with
door open
FE Power source Invalid power
frequency source
Error Frequency
Door Circuit Invalid state
dC
Failure for more than
256
milliseconds
Heating Error Invalid
hE
heating
temperature
in running the
dryer
Action Taken
Check for:
- Running dryer with
no wet clothes in
sensor dry cycle
Action Taken
Check for:
- Clogged lint
screen.
- Restricted vent
system.
- Check Thermistor
resistance.
- Check for
diagnostic code 1
Check for:
- Close the door,
and run the dryer
- Loose or open
wire terminals in
Door Sense
circuit.
- Check for
diagnostic code 3
Check for:
- Not using regular
power source
frequency
- Invalid power
frequency sense
circuit
Check for:
- Loose or open
wire terminals in
Door Sense
circuit.
- Check for
diagnostic code 3
Check for:
- Restricted vent
system.
- Check
Thermistor
resistance.
W10162408