6.TROUBLESHOOTING AIDS

6.1.ERROR HANDLING

The timer allows the full control of the washing machine. When an error occurs then automatically the machine will go over to a safe state. With the diagnostic program you can determine the problem (See „Programming manual"). This program will test all the functions of the washing machine.

If a failure occurs then the computer will display a diagnostic message. The message is a number that correspond with a typical problem.

If a failure occurs and the timer gives no message you can consult chapter 6.2.

6.2. PROBLEM CHECK LIST

Problem

Cause

Solving the problem

When the power is switched on :

• no external power

• verify the external tension of the

the display is not lighting up

 

machine

 

• the emergency button is activated

• deactivate the emergency button

Remark :

• the power connector is not

• connect the power connector

The display must always light up

connected on the board

 

when the power connector is

• the power connector is inverse

• check the wiring and connect the

connected to the power board

connected

connector as it must be

(EPROM with software must be

• the fuse on the PWR board has

• if the transformer is deformed replace

implemented)

jumped

the PWR board

 

 

 

Check the wiring and the tension at the

 

 

power Connector

 

 

If the transformer is still OK change the

 

 

Fuse

 

• the input connector is disconnected

• if the display is lighting up: verify that

 

the input signals or the + 16 V signal are

 

 

 

 

not touching the cabinet

 

• the EPROM that contains the

• put the right EPROM with software into

 

software is not implemented

the socket on the board.

 

 

 

The machine is not starting up when

• the key switch stands in Program

• set the Key switch to Run mode

the start button is pressed.

mode

 

 

• the correct amount of coins is not

• the start button must be pressed when

 

inserted

 

00 is flashing on the lower display

 

• the door is not closed properly

 

• close the door

 

 

 

 

 

Coins are inserted but the displayed

• the micro contact mounted on the

• verify the well functioning of the micro

program price is not counting down

coin drop is not functional

contact of the coindrop :

 

 

positive pulses should be generated

 

• the optocoupler mounted on the

• verify the well functioning of the

 

coindrop is not functional

optocoupler positive pulses should be

 

 

generated

 

• check the wiring to the coindrop

• if the wiring is broken: repair the wiring

 

• insert the correct coin value in the u-

 

• verify if you have entered a coin

 

submenu

 

value in the u-submenu for the

 

 

 

corresponding coindrop

 

 

 

 

Coindrop is accepting coins but does

• the start button is not pushed after

• push the start button

not start the washer

the amount is flashing on ‘00’

 

 

• the right amount is not reached

•Put the right amount in the coindrop

 

• the door is not closed properly

 

• close the door

 

 

 

 

 

The machine is not responding on

• the key switch is not functional (no

• check if the input connector A is well

pressing the keyboard buttons

dot is displayed when switching in

connected and check the wiring between

 

Program mode)

the input connector and the keyswitch

 

• the START button is not functional

• set the Key switch to Run mode

 

(the key switch stands in Program

 

 

mode)

• set the Key switch to Program mode

 

• the SET button is not functional (the

 

 

 

key switch stands in Run mode)

• check if the connector K of the keyboard

 

• no button is functional and the key

 

is well connected

 

switch is in the right position

 

 

 

 

 

The dot to indicate that the software is

• the key switch is not functional

• check if the input connector A is well

in program mode can not be enabled

 

connected and check the wiring between

or disabled

• the infrared key is not functional

the input connector and the keyswitch

 

• set the menu-item, Ir = On

 

 

24

INSTALLATION AND MAINTENANCE MANUAL

PUBLICATION DATE Sep 05 100646

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Maytag MFS 25-35 manual Troubleshooting Aids, Error Handling, Problem Check List
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MFS 25-35 specifications

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Overall, the Maytag MFS 25-35 brings together practicality, efficiency, and style. Its combination of innovative technologies and thoughtful design makes it an outstanding choice for anyone looking to upgrade their kitchen appliances. With this refrigerator, users can expect a reliable and enjoyable experience for years to come.
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