44
Troubleshooting
E 03 - Inlet air - Sensor has short-circuited
Error description
This error code indicates that the inlet air thermistor connected to the PCB or the
harness from the PCB to the thermistor, has short circuited.
A defective detection circuit in the PCB can also cause this error.
The dryer stops operating.
Error analysis
2. Defective
NTC interface
on PCB?
Measure the resistance
of the PT100 sensor and
harness between P18-3
and P18-4 on the PCB.
Is the resistance 110 Ω at
20°C (68°F)?
Replace PT100
sensor or harness.
Go to step 2.
NO
YES
YES
Replace the PCB.
1. Defective
PT100 sensor or
harness?
Alternative
Measure voltage between GND and T2
0
50
100
150
200
250
0
C
12345T2 (V)
T2 T1 GND
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