Technical data

3.5 LED Hand iron flashes

Symptom

The fault occurs in the operating mode: Program stop, cooling air phase, buzzer

sounds intermittently for 2 minutes.

Fault code F 3 or F 4 in the fault memory: NTC temperature sensor drying air

(1R30) short circuit or open circuit.

Cause

Temperature sensor heating/drying (2R30) open circuit (< 68 °F), evaluation only

af ter the heater has been run for at least 1 minute.

Remedy

A Check the lines and plugs of temperature sensor heating/drying (2R30) for

shor t circuit and open circuit.

A Temperature sensor heating/drying (2R30) characteristic curve, refer to 030

Table 3.

Cause

Heater bank is not heating. Unheated, the sensor is below the measuring

threshold of 68 °F.

Remedy

A Electric: Check the heater element (R1) for short circuit and open circuit.

Cause

Electric: Defective heater relay (K1/1).

Remedy

A Check the heater relay (K1/1).

Cause

Electric: Temperature limiter with manual reset (F1) has tripped.

Remedy

A Reset the temperature limiter (F1).

A Find the cause for the temperature limiter tripping, and rectify it.

Descriptive Technical Documentation

DTD no. 12-9800 090-9