Button Activation & Encoder Test; Service Test Mode - Maytag MGD6500MBK Technical Manual

READING BINARY CODES
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LED ON means 1.
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LED OFF means 0.
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The status bar will blink 2x, to display a FxEx code.
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The first LEDs blinking will represent the F-number, and the
MUTE LED/LED 4 will be ON.
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The Second LEDs blinking will represent the E-number, and the
MUTE LED/LED4 will be OFF.
LED group 5
0 0
0 0
0 0
0 0
0 1
0 1
0 1
0 1
1 0
1 0
Sense Wet Cool Done
Example: F3E2
1.
Cool and Done are ON, Mute LED is ON.
2.
All are OFF
3.
Cool is ON, Mute LED is OFF.
4.
All are OFF
5.
Back to step 1.
Frame
Status LED
Number
1 2 3
1 1
2
3 1
4
Unsuccessful Activation
If entry into Diagnostic mode is unsuccessful, refer to the following
indications and actions:
Indication: None of the LEDs will turn on.
Action: Turn on the appliance by pressing the POWER button or rotating the knob and
select any cycle.
➢ If LEDs turn on after pressing the POWER button or turning the knob, then try to
enter Service mode again: be sure to complete the three key entry method within
8 seconds. Alternatively, you can try using 3 different keys to enter (excluding
POWER and START). If these re-entry procedures fail to enter into Diagnostic
mode, there is likely a faulty button in the HMI. Replace the HMI.
➢ If no LEDs come on after selecting the cycle, go to TEST #1, ACU Power Check,
page 18.
Activation with Saved Fault Codes
If there is a saved fault code, it will be flashing in the display. Review the Fault/Error
Codes table on page 15 for the recommended procedure. If there is no saved faul code.
All LEDs will turn OFF.
12
FOR SERVICE TECHNICIAN'S USE ONLY
LED group 6
Value
0 0 0
0 1 1
1 0 2
1 1 3
0 0 4
0 1 5
1 0 6
1 1 7
0 0 8
0 1 9
Mute Fault/ Frame Timing
LED Error code
4 5
F F2
1 E E5
Repeat
BUTTON ACTIVATION & ENCODER TEST
NOTE: The Service Diagnostic mode must be activated before entering the
Button Activation & Encoder Test; see procedure on
Entry Procedure
Press and release the 1
The following test will be available:
DIAGNOSTIC: Button Activation & Encoder Test
The Encoder Test will be active immediately after successfully entering into
the Button Activation & Encoder Test:
➢ When the Encoder Test starts, the WET LED will be turned ON.
➢ Rotate the knob CW/CCW from the current position until a full knob
rotation is completed. Notice that the LEDs will turn ON/OFF while the
knob is rotated. After the Encoder Test is completed, all the LEDs will be
turned ON and the Button Activation test will be active. Pressing each
button will toggle ON/OFF its corresponding LEDs:
➢ Temperature LEDs will toggle ON/OFF with TEMP button.
➢ Time LEDs will toggle ON/OFF with TIME button.
➢ Static Reduce (in some models only) and Wrinkle Shield LEDs will toggle
ON/OFF with OPTIONS button.
➢ SENSE LED will toggle ON/OFF with MUTE button.
➢ WET and COOL LEDs will toggle ON/OFF with START button.
➢ DONE and MUTE LEDs will toggle ON/OFF with POWER button.
➢ If LEDs do not toggle ON/OFF after pressing buttons and rotating the
cycle selector knob go to
Exit Procedure
To exit Button Activation & Encoder test, press and hold the 1
Service Diagnostic mode.

SERVICE TEST MODE

NOTE: The Service Diagnostic mode must be activated before entering Service
Test Mode; see procedure on
NOTE: If, at any point, the user presses the POWER button or opens the door
when not requested by the test sequence during Service test mode, the dryer
(second)
exits to standby mode.
NOTE: Door must be closed to perform test. Dryer must be cool before test
0.5
to run correctly.
0.5
Active Fault Code Display in Service Test Mode
0.5
If the display begins flashing while in Service test mode, it is displaying an
active fault code. Active fault codes are codes that are currently detected. Only
1
one active fault code can be displayed at a time.
Entry Procedure
To enter Service Test Mode, press and release the 2
activate the Service Diagnostic mode then press and release the START
button. All LEDs will turn ON indicating that the Service Test Mode entry
was successful.
Perform All Tests: Run all tests indicated in the chart on
Exit Procedure
When the test is complete, press the POWER button to exit Service test mode
and return to Standby mode.
page
button used to activate Service Diagnostic mode.
st
Test 6 HMI, page 24.
# :
page 11.
button used to
nd
11.
used to activate
st
page 13.