Hedson IRT 4-1 PCAUTO Mode D'emploi page 9

Test 1: Push Button Test
All buttons on the control unit are tested. The corresponding
symbols are displayed by pressing the buttons. Press enter
for approx. three seconds in order to continue to the next
step of the test program.
Test 2: Display Test
Verify that all pixels light up on the display. Press enter*
and check that all pixels go out. Press enter* to continue.
* or upper left software button
Test 3: Buzzer Test
Check that the buzzer sounds. Press enter or next to
continue.
Test 4: Cassette IR Test
The IR cassette lamps light up. Check that all the IR lamps
are lit. For safety reasons this test is limited to 10 seconds.
Press enter or next to continue.
Test 5: Ventilator Test/cassette
The ventilator in the cassette now starts. A sound from the
ventilator confirms that it is working. If the dryer is equipped
with two cassettes, you will have to repeat test no. 4 and 5
for the other cassette. Press enter or next to continue.
Test 6: Laser Test
Direct the laser towards the object. Check that a red, dot-
ted circle is visible on the object. Press enter or next to
continue.
Test 7: Temperature Sensor Test
Direct the temperature sensor towards an object that is at
room temperature. The temperature on the display should
not deviate from room temperature by more than ±3 °C or
±5 °F. Press enter or next to continue.
Note! Temperature measurement is made as an
average of a surface according to chapter 8.1.
713687 rev 9
Test 8: Distance Sensor Test
Direct the distance sensor towards the object at a distance
of 0,3 -1 m. Check that the distance shown on the display
matches the manually measured distance. A deviation of
±3 cm is acceptable. Press enter or next to continue.
Test 9: Temperature Guards
The computer card has a temperature measuring device that
is seen on the display.
The temperature is shown in ºC or ºF depending on the set-
tings you have made.
The computer lifetime will be shortened if temperatures are
above 70 ºC/158 ºF during operation. If this happens during
drying a new window will appear after the completed drying
cycle saying "warning High temp Pc".
Test Completed
Automatic testing is now complete. Press enter or next to
finish.
9.4.20 48 Program Time Scale
Possibility to change between minutes and seconds.
9.4.21 49 Proc. Alarm Temp.
Possitbility to set maximum temperature difference between
current and requested temperature (5-99 °C). This function
is activated in 9.4.2.
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