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Technical Information
3.3
"Check Filter/Vent" LED Flashes Rapidly
Symptom:
Program stop, cooling phase, buzzer sounds intermittently for 2 minutes.
Fault code F66 (Leaking air fault) in the fault memory.
Cause:
Air paths are clogged.
Insufficient air measurement; refer to Section 090-2.7.
Remedy:
Clean air paths.
Delete the fault memory; refer to Section 090-4.3.
3.4
"Rotary Iron" LED Flashes
Symptom:
Program stop, cooling phase, buzzer sounds intermittently for 2 minutes.
Fault code F1 (Heater bank NTC short circuit) or F2 (Heater bank NTC open
circuit) in the fault memory.
Cause:
Heater bank NTC short- or open-circuited.
Remedy:
Check the wires and connectors of heater bank NTC 2R30 for a short or open circuit.
For heater bank NTC resistance values, refer to Table 030-3.
Delete the fault memory; see Section 090-4.3.
3.5
"Hand Iron" LED Flashes
Symptom:
Program stop, cooling phase, buzzer sounds intermittently for 2 minutes.
Fault code F3 (Drying air NTC (1R30) short circuit) or F4 (Drying air NTC
(1R30) open circuit) in the fault memory.
Cause:
Drying air NTC (1R30) open circuit (below 68°F); evaluation only after the
heater has been running for at least 1 minute.
Remedy:
Check the wires and connectors of drying air NTC 1R30 for a short or open
circuit.
For drying air NTC resistance values, refer to Table 030-3.
Cause:
Heater bank is not heating. Unheated, the sensor is below the measuring
threshold of 68°F (electric dryers only).
Remedy:
Check the heater element (R1) for a short or open circuit.
Cause:
Defective heater relay (K1/1) (electric dryers only).
Remedy:
Check the heater relay (K1/1).
54
T 9800/T 982x
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