45
Troubleshooting
E 04 - Outlet air - Sensor has short-circuited
Error description
This error code indicates that the outlet air thermistor, connected to the PCB, or the
harness from the board to the thermistor, has short circuited.
A defective PCB can also cause this error.
The dryer stops operating.
Error analysis
2. Defective
NTC interface
on PCB?
Measure the resistance
of the NTC sensor and
harness between P18-5
and P18-6 on main circuit
board.
Is the resistance between
4 to 6 kΩ at 20°C (68°F)?
Replace NTC sensor
or harness.
Go to step 2.
NO
YES
YES
Replace the PCB.
1. Defective
NTC sensor or
harness?
Alternative
Measure the voltage between GND and T1
0
10
20
30
40
50
60
70
80
90
100
0
C
12345T1 (V)
T2 T1 GND
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