Asko TL751 XXLW Service Manual page 25

2-6. Error Mode
1) H1 error - Humidity sensor error
1 This occurs when there is a short defect in the humidity sensor (the indicated value is lower than 22)
2 The unit buzzes, indicating the error, every 10 minutes for 10 seconds.
3 The error display goes off when the power is switched on/off.
2) H2 error - Drying temperature sensor open/short error
1 This occurs when there is a defect in the drying temp sensor or disconnection.
2 The unit buzzes, indicating the error, every 10 minutes for 10 seconds.
3 The error display goes off when the power is switched on/off.
3) H5 error - Heater overheated
1 This occurs when the temp sensor indicates 185°F (85°C) or higher.
4) Heater disconnection check and H4/H6 error
1 No error is indicated in case of actual consumer use, for this mode checks heater defects through
the following steps.
2 The defect must be checked without any load.
3 How to enter the test mode: Push the power button while Dry Beep and More buttons are pressed
at the same time.
4Heater 1, Heater 2, and the motor are turned on.
5 Check the temp initially and 2 minutes later. Measure the difference.
If the difference is 20°C or greater, "OK" is indicated in the display.
If between 5°C~19°C, "H6" is displayed in the display, indicating disconnection of one heater.
If 5°C or below, "H4" is displayed in the display, indicating disconnection of two heaters.
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