12. Error codes
12
Service
manual
487 05 40 31
12.6
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.
(Section 27)
Go to step 2.
NO
YES
YES
Replace the PCB.
(Section 21)
1. Defective
PT100 sensor or
harness?
Alternativ
Measure voltage on T2
0
50
100
150
200
250
0
C
1 2 3 4 5 T2 (V)
To Next Page
Loading...
