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
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
Possible
If either
4
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.
Trigger
Action Taken
Check for:
- Clogged lint
screen.
- Restricted vent
system.
- Check Thermistor
resistance.
Check for:
- Low ambient
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.
WARNING
Code Description
10
No Wet
Clothes
Display Fault/Error Codes
Display Description
tS
Dryer
Thermistor
Short Sensed
do
Door Open
FE
Power source
frequency
Error
dC
Door Circuit
Failure
Heating Error Invalid
hE
5
Trigger
Action Taken
Sensor bar
Check for:
detects no wet
- Running dryer with
clothes while a
no wet clothes in
Sensor Dry
sensor dry cycle
Cycle
Trigger
Action Taken
The
Check for:
Thermistor
- Clogged lint
resistance is
screen.
very low.
- Restricted vent
system.
- Check Thermistor
resistance.
- Check for
diagnostic code 1
Running the
Check for:
dryer with
- Close the door,
door open
and run the dryer
- Loose or open
wire terminals in
Door Sense
circuit.
- Check for
diagnostic code 3
Invalid power
Check for:
source
- Not using regular
Frequency
power source
frequency
- Invalid power
frequency sense
circuit
Invalid state
Check for:
for more than
- Loose or open
256
wire terminals in
milliseconds
Door Sense
circuit.
- Check for
diagnostic code 3
Check for:
heating
- Restricted vent
temperature
system.
in running the
- Check
dryer
Thermistor
resistance.
W10162408
Need help?
Do you have a question about the NED7200TW and is the answer not in the manual?