Maytag MEDB750YW0 Troubleshooting Guide download pdf (Page 6)

PAGE 6

FOR SERVICE TECHNICIAN’S USE ONLY

DO NOT REMOVE OR DESTROY

SOFTWARE VERSION DISPLAY

NOTE: The Software Version Display mode will

time out after 10 minutes of user inactivity and

return to standby mode.

Entry Procedure

To enter Software Version Display, press and

hold the 2

button used to activate the Service

Diagnostic mode for 5 seconds.

• CCU software revision code (C: major

revision number, C: minor revision number,

C: test revision number)

• UI code (U: major revision number, U: minor

revision number, U: test revision number)

• UI Hex ﬁle software revision code (H: major

revision number, H: minor revision number)

Exit Procedure

Pressing the “power” button will exit Software

Version Display and return dryer to standby mode.

FAULT/ERROR CODES

Refer to fault/error code chart on page 7.

Fault/Error Code Display Method

Fault codes are displayed by alternately

showing F# and E#. All fault codes have an

F# and an E#. The F# indicates the suspect

System/Category. The E# indicates the

suspect Component system.

Up to four Fault/Error codes may be stored.

When the oldest fault code is displayed,

additional presses of the 3

button will result

in a triple beep, then display of the most recent

fault code. If each press of the 3

button

results in a triple beep and the display shows

“8:88 ”, no saved fault codes are present.

Advancing Through Saved Fault/

Error Codes

Procedure for advancing through saved

fault codes:

Press and release g beep tone g most recent fault

the 3rd button code is displayed.

used to activate

Service Diagnostics

Repeat g beep tone g second most

recent fault code

is displayed.

Repeat g beep tone g third most

recent fault code

is displayed.

Repeat g beep tone g fourth most

recent fault code

is displayed.

Repeat g triple beep g back to the most

recent fault code.

Clearing Fault Codes

To clear stored fault codes, enter Service

Diagnostic mode. Then press and hold the

button used to enter Service Diagnostic

mode for 5 seconds. Once the stored fault

codes are successfully erased, the seven

segment display will show “8:88”.

EXITING SERVICE DIAGNOSTIC MODE

Use either of the two methods below to exit

diagnostic mode.

• Pressing and holding the 1

button

used to activate the Service Diagnostic

mode for 5 seconds.

• Pressing the “power” button once or

twice, depending on diagnostic procedure.

CODE DESCRIPTION EXPLANATION AND RECOMMENDED PROCEDURE

PF Power Failure

PF indicates that a power failure occurred while the dryer was running.

Press START to continue the cycle, or press POWER to clear the display.

L2 Low Line Voltage

L2 indicates low L2 voltage (less than 50 V) is detected at installation.

• Refer to Fault/Error Code “F4E4”, page 7, for recommended procedure.

CUSTOMER FAULT/ERROR CODES

1 2 3 4 5 6 7 8 9 10 11 ... 51 52

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Maytag MEDB750YW0 Troubleshooting Guide Page 6

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