Instruction Manual 2

2
Diagnostic Mode Tests/Demo Mode
MODE
NUMBER
TEST NAME COMPONENTS UNDER TEST TEST CONDITIONS DISPLAYED FEEDBACK
pre-test
Lights, Buttons LED indicators
LCD screen
Button response
Number of key pressed.
Note: This number may not
necessarily correspond to key
number on table on page 1.
Motor, NO HEAT, HUM
ON
Motor relay
Door switch
Drum rotates for 10 mins
(if door closed)
Motor, NTC1 ctrl heater,
HUM ON, NTC1 temp on
display
Motor relay
Door switch
Heater relay
NTC1
Drum rotates for 10 mins
(if door closed), heater is on until NTC1
reads 44 C
NTC1 reading
Motor, NTC2 ctrl heater,
HUM ON, NTC2 temp on
display
Motor relay
Door switch
Heater relay
NTC2
Drum rotates for 10 mins
(if door closed), heater is on until NTC2
reads 120 C
NTC2 reading
(select models)
HUM ON, Mist valve ON Mist triac
Valve
Mist on for 10 mins
(if door closed)
on units with mist valve;
(400 models)
Moisture sensor circuit
open and short*
Moisture sensor Moisture sensor expects to read "open
circuit" condition and "short circuit"
condition*
(open) and (short circuit)
with nothing if sensor is between
(500 and 600
models)
Capacitive moisture
sensor circuit check
Capacitive moisture sensor Moisture sensor valve read by main
control board is inside the predefined
threshold
working correctly
Error history The last 3 errors in memory Errors are most recent first
(in order of history)
Note: Pressing temp + select (set)
keys together clears error history
precedes the 2 character alarm
code, alternating through the alarms
*The moisture sensor is to the lower left inside the door beside the lint screen. The technician may use metal to short sensor bars. The sensor is touch safe, some materials like dry fingers
or a 10k ohm resistor should have no displayed value.
Diagnostic Mode Tests
Demo Mode:
The Demo works in two ways: Interactive Mode and Automatic Loop.
The Interactive Mode enables the customer to use the interface with-
out activating the appliance. The machine behavior appears similar to
normal operation. Pressing the start button turns on the appliance. The
display will count down by the second from the maximum time displayed
with its respective cycle. The appliance turns off when it reaches “ ”.
The Automatic Loop will engage if no one interacts with the user inter-
face for 3 minutes, or the start button hasn’t been pressed. The machine
will simulate a cycle execution on the display only.
Entering Demo Mode:
1 Press power and look for console light up.
2 For Rotary Dial Cycle Select Dryer: Within 10 seconds select
casual and then simultaneously press and hold temp and select.
buttons for 3 seconds. Skip to Step 4.
3 For Push Button Cycle Select Dryer: Within 10 seconds select
delicates and then simultaneously press and hold temp and select
(set) buttons for 3 seconds. Continue to Step 4.
4 The message “ ” will blink 3 times in the center display.
5 If “ ” message does not appear, turn off machine and repeat
previous steps.
Exiting Demo Mode:
To exit Demo Mode, perform the same sequence used to enter
Demo Mode.
1 Press cycles to advance the cycle selection to Delicates.
2 Press start; then Press cancel.
3 Press power to turn the unit off.
4 Press power to turn the unit on. The unit will display will flash “ ”
3 times on the numeric display.
5 Press and hold temp and select (set) simultaneously. The appliance
will beep once, the numeric display will cycle off and on. The appli-
ance will then beep with the normal power on sequence.
You may also perform a Factory Default Reset - see below.
Factory Default Reset:
1 Press power and look for console light up.
2 Wait at least 10 seconds, then simultaneously press and hold the
dryness (dry level) and options buttons for 3 seconds. Audible
signal will indicate that the settings have been reset.
Recalling Last Error Code:
1 Press power and look for console light up.
2 Wait at least 10 seconds, then simultaneously press and hold temp
and select (set) buttons for 3 seconds.
3 The display will show the last error in memory.
4 Clear the display and return to normal operation by touching any
button or by pressing the power button.
on units without mist valve
NOTE
Once Demo Mode is activated, every time the machine is turned on,
Demo Mode is automatically recalled; this occurrence is signaled at
the start-up by the text “ ” flashing 3 times in the center display.
Unplugging the unit will not clear Demo Mode. See “Exiting Demo
Mode” for more information.