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16. Diagnostic System (For Models 617, 517 and 417 Series)
This information is intended for the use of Qualified Technicians only.
CAUTION
Disconnect electric current before servicing.
16.1 Enter Diagnostic Mode
• Press power to turn machine ON.
• Set cycle to normal.
• Press the start button.
• Power OFF machine by pressing the power button.
• Power ON machine by pressing the power button again.
• Within 7 seconds, simultaneously hold temp + set buttons together for 3 seconds.
• Diagnostic Mode is set when LEDs start blinking in sequence, which is the ‘Lights / Buttons’ test position.
16.2 Scroll Through the Tests
• Tests are selected by using the same method used to select cycles, that is, cycles button on 400 Series, and
the rotary knob on 500 Series and 600 Series. For 400 Series, press the temp key to go back to the previous
test.
• Test numbers are briefly displayed when each test is selected. The test numbers also correspond to the
selector LEDs numbered from 1 at the top going down.
400, 500 and 600 series
Test No. Test Name
Components under
Test
Test Conditions Displayed Feedback
00 Lights / Buttons test
LEDs, LCD, touch
buttons
-- -- # of touch key pressed
01
Motor, NO HEAT,
HUM ON
Motor Relay, Door
Switch
Drum rotates for 10 mins if
door closed
-- --
02
Motor, NTC1 ctrl
heater, HUM ON,
NTC 1 temp on
Display
Motor Relay, Door
Switch, Heater
Relay, NTC1
Drum rotates for 10 mins if
door closed, heater is ON till
NTC1 reads 44 °C
NTC1 reading
03
Motor, NTC2 ctrl
heater, HUM ON,
NTC 2 temp on
Display
Motor Relay, Door
Switch, Heater
Relay, NTC2
Drum rotates for 10mins if door
closed, heater is ON till NTC2
reads 120 °C
NTC2 reading
04
HUM ON, Mist Valve
ON
Mist TRIAC and
Valve
Mist on for 10 mins if door
closed
-- --
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