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Maytag MFS Series Programming Manual

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MCG WASH COMPUTER
PROGRAMMING MANUAL
PROGRAMMING FOR WASHING MACHINES MODELS
PUBLICATION DATE: 1 Jun 2007
MFR 18/25/30/40/50/60/80
516532 B
MFS 18/25/35/50

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  Summary of Contents for Maytag MFS Series

  • Page 1 MCG WASH COMPUTER PROGRAMMING MANUAL PROGRAMMING FOR WASHING MACHINES MODELS PUBLICATION DATE: 1 Jun 2007 MFR 18/25/30/40/50/60/80 516532 B MFS 18/25/35/50...
  • Page 3: Table Of Contents

    1. TABLE OF CONTENTS 1. TABLE OF CONTENTS ....................1 2. WARNINGS AND SYMBOLS ..................2 2.1. WARNINGS ............................2 2.2. SYMBOLS USED..........................3 3. BASIC DESCRIPTION OF MCG WASH COMPUTER ........... 4 3.1. GENERAL............................4 3.2. SERVICE - SET-UP MODE.......................5 3.3. THE STRUCTURE OF A WASH PROGRAM..................6 3.4.
  • Page 4: Warnings And Symbols

    2. WARNINGS AND SYMBOLS 2.1. WARNINGS BEFORE OPERATING A MACHINE CONTROLLED BY AN ELECTRONIC PROGRAMMER, READ THIS MANUAL. INCORRECT USE CAN RESULT IN SERIOUS INJURIES OR DAMAGE TO THE MACHINE CONTROLS. IGNORING INSTRUCTIONS CAN CAUSE AN INCORRECT MACHINE FUNCTION, WHICH MAY RESULT IN INJURIES OR MACHINE AND/OR LINEN DAMAGE.
  • Page 5: Symbols Used

    2.2. SYMBOLS USED BUTTONS * BUTTONS in Run Mode work as WASH CYCLE BUTTONS * BUTTONS in Service – Set-Up Mode work as PROGRAM BUTTONS ARROW RIGHT ARROW UP ESCAPE - Increase value - Go to previous menu item - Return to previous Menu - Select next list element - Edit : Keep old settings ARROW LEFT...
  • Page 6: Basic Description Of Mcg Wash Computer

    3. BASIC DESCRIPTION OF MCG WASH COMPUTER 3.1. GENERAL THE CONTROL OFFERS : • 6 Standard Programs that can be adjusted 1. Whites 2. Color 3. Bright Colors 4. Permanent Press 5. Quick Wash 6. Delicates & Knits • Automatic temperature balance during the water fill process •...
  • Page 7: Service - Set-Up Mode

    3.2. SERVICE - SET-UP MODE • Turn the Service key to switch from RUN mode to SERVICE - SET-UP mode. • In Service – SET-UP mode, the Main Menu Screen appears. • In the Main Menu we can select the Category Based Menu’s. Each Menu is explained in detail in the following chapters.
  • Page 8: The Structure Of A Wash Program

    3.3. THE STRUCTURE OF A WASH PROGRAM a Wash Program is built up step by step. each step always consists of a Wash/Rinse sequence and a Drain/Spin sequence. Programmable Functions Wash/Rinse sequence : The available functions are : Temperature Water Level Supplies (bulk dispensing) Prewash Time Wash Time...
  • Page 9: Programming The Functions

    3.4. PROGRAMMING THE FUNCTIONS Limits To ensure the correct functionality of the washing machine you have to program values within certain limits. You can not program a value that is out of the limits range. Programming the Water Temperature Limits (depends sequence : see 6 Standard Wash Tables) - Minimum value : 34 °F - Maximum value : 120°F for the PREWASH and 180°F for the WASH sequence.
  • Page 10 Programmable water level units related to the amount of water (l = liters) in the tub Machine Size units 12 l 13 l 14 l 19 l 13 l 14 l 14 l 16 l 21 l 14 l 15 l 19 l 15 l 19 l...
  • Page 11 Normal Low Level Normal High Level Default Programmable Water Level (units) Minimum Normal Low Normal High Maximum Machine size programmable Level Level programmable level level Default value Default value MFR 18 MFR 25 MFR 30 MFR 40 MFR 50 MFR 60 MFR 80 MFS18 MFS25...
  • Page 12 Programming Extraction speed - Speed Limits Check table 3.4.B for the minimum and maximum speed limits. The limits differ depending on the maximum allowed g-force at high spin for each washing machine size. Programming Supplies 1 Soap Supply Signal can be programmed for each of the following: prewash, wash and final rinse. If Liquid soap pumps have been installed on the washing machine, then a pulse signal has to be sent to the external control system to activate the pumps.
  • Page 13: Pricing Menu

    4. PRICING MENU In the PRICING MENU you can make settings for Coin Selection and Debit Card Reader. General Pricing Menu General… • General Price settings are stored at the General Menu. Special Pricing… Enhanced Pricing… None EXIT Menu Item Default Info Limits...
  • Page 14 Default MFR18 MFR25 MFR30 MFR40 MFR50 MFR60 MFR80 MFS18 MFS25 MFS35 MFS50 Prices Regular Cycle $1.75 $2.50 $3.00 $4.00 $5.00 $6.00 $8.00 $1.75 $2.50 $4.00 $5.00 Price Special Cycle $1.50 $2.25 $2.75 $3.75 $4.75 $5.75 $7.75 $1.50 $2.25 $3.75 $4.75 Price SPECIAL PRICING Special pricing functions as a second price.
  • Page 15 Enhanced Pricing : TEMPERATURE BASED Pricing Menu • Temperature Based, Enhanced Pricing is stored in General… Special Pricing… the Temperature Based Pricing Menu. Enhanced Pricing… Temp. Based EXIT Menu Item Default Info Limits Regular Hot Price x.xx Temperature Based Price 0.00 –...
  • Page 16 Enhanced Pricing : UPGRADE BASED Pricing Menu • Upgrade Based, Enhanced Pricing is stored in General… Special Pricing… the Upgrade Based Pricing Menu. Enhanced Pricing… Upgr. Based EXIT Menu Item Default Info Limits Upgrade Value 0.25 Upgrade Reference Value 0.00 – 12.75 Super Cycle Display ? Show Super Cycle Upgrade.
  • Page 17 Ult.Cycle Extend.Spin? Ultimate cycle Extra Function No / Yes Ult.Cycle + Detergent? Ultimate cycle Extra Function No / Yes Ult.Cycle + Softener? Ultimate cycle Extra Function No / Yes Ultimate Cycle Price 0.75 Price for an Ultimate Cycle Upgrade 0.00 – 99.95 Upgrade Based Prices allows the customer to select extra wash cycle functions.
  • Page 18: Machine Set-Up

    5. MACHINE SET-UP Machine SET- UP has four step (steps 2, 3 and 4 are not required if factory default settings are acceptable): 1. Install the machine mechanically. (See Installation Manual) MCG Wash Computer only : 2. Select the machine specific settings in the Configuration Menu. 3.
  • Page 19 Menu Item Default Info Limits Language English Language selection: English, Spanish, French List Compart. Flush Pre-Wash Makes sure that the first soap dispenser No / Yes Compartment is always Flushed at the end of the Wash Sequence. Hot water Heater Temp. 140°F It is recommended to set temperature of Hot water 122°...
  • Page 20: Configuration Menu

    5.2. CONFIGURATION MENU This electronic managing system has been specially constructed for a wide range of washing machines. For that reason it must be individually set up with important parameters for various machine sizes. Basic machine adjustments were made at the factory. WARNING ! ONLY A QUALIFIED TECHNICIAN SHOULD CHANGE THE CONFIGURATION SET UP.
  • Page 21 Service Faults • All the Initialization and Configuration Menu settings will be Reset Factory Settings ? cleared and the default Factory settings will be re-installed. • This function should only be used at the initialization of a new Graphic Control Wash Computer. Menu Item Default Info...
  • Page 22: Wash Cycle Menu

    5.3. WASH CYCLE MENU HOW TO GET INTO THE WASH CYCLE MENU Turn the Service Key from Run into Service - Set-up Mode. „Main Menu“ is displayed. With the arrow DOWN button select the Wash Cycle Menu and Press ENTER button. Main Menu Cycle &...
  • Page 23 EDIT A WASH CYCLE Program Original STEP Info Number Value action Wash Spin part Prog 1 Spin Wash Time: 8.0 Min STEP 2 [4.0-20.0] Position Step Menu Value Limits Menu Item Menu Item Menu Item Number Item Each program step contains a Wash-Rinse part and a Drain-Spin part. (see labels at top of the screen) By the arrow buttons UP and DOWN, without making changes, you can scroll through the menu items.
  • Page 24 4. Liquid Soap Supply - for machines equiped with external Liquid Soap Supply, the time value for the Liquid Soap Signal can be set to activate the corresponding pump, or to give a pulse to start the external liquid Soap Supply computer. 5.
  • Page 25: Operation Menu

    6. OPERATION MENU 6.1. STARTING UP ATTENTION !!! BEFORE STARTING UP THE FIRST TIME, BE SURE THAT THE MACHINE IS PROPERLY INSTALLED. SEE INSTALLATION MANUAL. ATTENTION !!! WASH CYCLES CAN ONLY BE STARTED WHEN THE KEY SWITCH IS IN RUN MODE. 6.2.
  • Page 26: Advancing Or Stop A Wash Cycle

    For each Wash program Step : - first you will see the Wash / Rinse Sequence - then you will see the Drain / Extraction Sequence Program Wash Cycle Units Name Sequence Upgrade Whites - SUPER CYCLE Minutes Wash Door Remaining Time Door Temperature...
  • Page 27: Wash Time

    The Door Lock will be released. You can open the Door when UNLOCK picture appears on the Display. Open the door and unload the machine. The Message THANK YOU FOR USING MAYTAG WASHERS is shown and when it disappears, the machine is ready to start a new wash cycle. 6.11. WATER FILL PROCESS Depending on the target water temperature, the cold and hot inlet valves will be opened.
  • Page 28: How To Handle Failure Messages

    6.13. HOW TO HANDLE FAILURE MESSAGES When a failure has been detected by the MCG Wash Computer, a failure message is generated, to inform the operator about the problem. UNLOAD Out Of Order (Pr XX St YY) Ask For Service (D ZZZ : Fault Message) The Program number The Step number...
  • Page 29: Cycle - Status

    When a power interruption occurs while the machine is washing or spinning, after the power interruption, the wash computer will show a message to restart the interrupted wash cycle. PRESS the button of the interrupted wash cycle to restart the cycle. 6.15.
  • Page 30: Pre-Programmed Programs

    7. PRE-PROGRAMMED PROGRAMS THE MCG WASH COMPUTER CONTAINS 6 PRE-PROGRAMMED STANDARD WASH PROGRAMS. 7.1. LEGEND WATER INLET VALVES 101008 - Valve 1 Cold Flush softener dispenser during final rinse - Valve 2 Cold Flush pre-wash compartment - Valve 3 Direct Inlet at soap dispenser - Valve 4 Flush main wash soap compartment - Valve 5...
  • Page 31: Wash Programs

    7.2. WASH PROGRAMS TABLE 1: WHITES CYCLE Steps Valves Preset Water Water Time Soap Temperature Level Action Signal (RPM) 113°F (45°C) (10 min) hot 3 Soap 1 100°F (38°C) 0 min (Normal) Pre-Wash cold 2 [10 sec] 90°F (32°C) (0 min) (0.5 min) 0 min (Normal)
  • Page 32 Table 2: Color Cycle Soap Steps Valves Preset Water Water Time Signal Temperature Level Action (RPM) 113°F (45°C) (10 min) hot 3 Soap 1 100°F (38°C) 0 min (normal) cold 2 [10 sec] Pre-Wash 70°F (21°C) (0 min) (0.5 min) 0 min (normal) Drain...
  • Page 33 Table 3: Bright Colors Cycle Soap Steps Valves Preset Water Water Time Signal Temperature Level Action (RPM) 75°F (24°C) (10 min) Soap 1 cold 2, 6 34°F (1°C) 0 min (normal) Pre-Wash [10 sec] 34°F (1°C) (0 min) (0.5 min) 0 min (normal) Drain...
  • Page 34 Table 4: Permanent Press Cycle Soap Steps Valves Preset Water Water Time Signal Temperature Level Action (RPM) 113°F (45°C) (10 min) hot 3 Soap 1 100°F (38°C) 0 min (normal) Pre-Wash cold 2 [10 sec] 70°F (21°C) (0 min) (0.5 min) 0 min (normal) Drain...
  • Page 35 Table 5: Quick Wash Cycle Soap Steps Valves Preset Water Water Time Signal Temperature Level Action (RPM) 113°F (45°C) (10 min) Hot 3, Soap 1 100°F (38°C) 0 min (normal) Pre-Wash cold 2 [10 sec] 70°F (21°C) (0 min) (0.5 min) 0 min (normal) Drain...
  • Page 36 Table 6: Delicate & Knits Cycle Soap Steps Valves Preset Water Water Time Signal Temperature Level Action (RPM) 113°F (45°C) (10 min) hot 3 Soap 1 100°F (38°C) 0 min (Gentle) Pre-Wash cold 2 [10 sec] 70°F (21°C) (0 min) (0.5 min) 0 min (Gentle)
  • Page 37: Troubleshooting

    8. TROUBLESHOOTING 8.1. DISPLAY MESSAGES Various messages may appear on the display at the start, during or at the end of a washing cycle. When an error occurs the machine will automatically go over to a safe state. With the diagnostic program you can determine the problem.
  • Page 38: How To Handle Fault Messages

    8.3. HOW TO HANDLE FAULT MESSAGES ATTENTION !!! CHECK IN THE MANUAL FOR WHAT PROBLEM THE DIAGNOSTIC OR HELP CODE CORRESPONDS TO. ASK THE ASSISTANCE OF AN EXPERIENCED TECHNICIAN TO SOLVE THE PROBLEM. ALL THE SAFETY PRECAUTIONS MUST BE FOLLOWED BEFORE EACH INTERVENTION. You can overrule and erase fault messages by: pressing the ENTER button (key switch in Service –...
  • Page 39 WHEN SAFETY IS NOT INVOLVED Full stop + request for continue : a request to Continue ? the program is displayed Skip + continue : the actual cycle step is skipped and the program continues with the next step Continue : the program continues SPECIAL CASES : D 1: Defective Water Level sensor...
  • Page 40: Overview

    8.4. OVERVIEW DIAGNOSTIC MESSAGES Code Diagnostic Failure Action Fault occurrence message Defective level sensor Continue + Don’t start Before start up Water Level Sensor Continue + Don’t start Before start up Temperature Defective temperature sensor Sensor Service Due Warning Symbol For Info only End cycle Service Due Door switch failure...
  • Page 41 HELP MESSAGES Code Help message Failure Action Fault occurrence Too Hot Full stop + tumble While heating Too Hot Overflow failure Full stop + tumble Wash step Overflow Input tilt must always be Don’t start Start Cycle Wrong Input MFR18 selected in case of Don’t start Start Cycle RS7 Select...
  • Page 42: Service Menu

    8.5. SERVICE MENU The Service Menu contains : Start a Cycle Credit. The Software Version Number. An overview of the 20 last failure messages. Statistics for 9 general Diagnostic messages Pulley ratio An overview of the input states Switching On the Motor Drive for a technical intervention Reset Cycle Counter and Statistics Diagnostic Messages HOW TO GET INTO THE SERVICE MENU Main Menu...
  • Page 43 Service Faults • Select View Fault Messages by the ENTER Button to see the View Fault Messages 20 Fault messages kept in memory. Service Faults • There are 20 Fault Messages kept in EEPROM memory. 1 Fault 1: D XXX: YYYYYYYYYYYY 2 Fault 2: D XXX: YYYYYYYYYYYY •...
  • Page 44 Service Menu • The purpose of the Toolbox Menu is to give support at Toolbox… technical intervention. Service Tool Box • Input states let you verify the electrical signals into the wash View Input States… computer. Service Statistics • Input 1 : the State that corresponds with Input 1. 1 Input 1 2 Input 2 Input 2 : the State that corresponds with Input 2.
  • Page 45: Diagnostic Cycle

    Service Tool Box • By selecting Yes, the Escrow will be reset to „0“. Reset Current Escrow • In the Escrow is kept the remainder that the customer has paid too much to start a wash cycle. Service Tool Box •...
  • Page 46 TEST SEQUENCE Display test and door lock test Sensor test Motor test Water fill and drain test BASIC Diagnostic Wash program Diagnostic Test Sequence Test Info Explanation N° Black display followed Door lock test (locks and unlocks 5 x the door) by a Text display.
  • Page 47 BASIC Diagnostic Wash program Sequence Supply Inlet Temp. Level Wash action Time R.P.M. Front Front Front Wash Wash 3-4-5 104°F A=12“ R=3“ 6 min Step 1 Drain Drain 30 sec Rinse 1 Rinse 1 2-5-6 A=12“ R=3“ 1.5 min Step 2 Spin Spin 1 min...
  • Page 48: Problem Check List

    8.7. PROBLEM CHECK LIST Problem Cause Solving the problem • no external power • Switch on the external power supply When the power is switched on : the display is not illuminated • verify the external power to the machine Remark : •...
  • Page 49: Explanation Error Messages

    8.8. EXPLANATION ERROR MESSAGES DIAGNOSTIC CODE D1 : DEFECTIVE LEVEL SENSOR If the level sensor is broken then Diagnostic Code D1 will be displayed. The fault is only generated when the machine is in standby mode and no program is active. The fault can only be erased by switching off and on the power.
  • Page 50 DIAGNOSTIC CODE D5 : COIN BLOCKING 1 When the input for coin drop 1 is blocked for more then 15 seconds, diagnostic D5 will be displayed. When the problem disappears, the Diagnostic message will be cleared automatically. Most likely the coinbox will get filled up completely with coins until they interrupt the infrared signal of the coin sensor.
  • Page 51 9. Check the continuity of the wiring If the wiring is not continuous: repair the wiring 10. Check the output relay that powers inlet If the relay receives a command signal but is not closed, replace the wash computer valves and the drain valve DIAGNOSTIC CODE D8: DRAIN FAILURE Diagnostic Code D8 occurs when the electronic timer detects that the water is not drained after 3 minutes in...
  • Page 52 6. Check if the connectors on both sides of the Connect the connectors on the electronic timer board and the inverter. communication cable are still connected 7. Check if the wiring is still continue Repair the wiring 8. Check if the output relays that activates the If the relay is broken, replace the wash computer safety inverter contactor is functional DIAGNOSTIC CODE...
  • Page 53 DIAGNOSTIC CODE D14 : DOOR LOCK CHECK AT START FAILURE The washing machine will not start a new process when the door is not locked after pressing the START button. The Message DOOR is displayed. When you open the door : the fault message is erased. Exception : If the „DOOR SWITCH“...
  • Page 54 DIAGNOSE: 1. Check if the Gen 2 Debit Card Reader is Connect the Gen 2 Debit Card Reader to the wash connected to the wash computer computer 2. Check that the wash computer is setup to Adjust the wash computer settings so that Enhanced work with a Gen 2 Debit Card Reader Debit is selected at the Pricing menu.
  • Page 55 HELP CODE H51 : OVERFLOW FAILURE When the water level is raising above the hole of the overflow tube: Help Code H51 will be displayed. DIAGNOSE(ERR21): 1. Check if the overflow hole and tube isn’t If the overflow tube is blocked: repair the tube blocked 2.
  • Page 56 motor drive. 6. Check the contactor power supply motor If the contactor is broken, replace the contactor. drive. (contactor is not available on all machine types) HELP CODE H58 : LOCK ACTIVE Help Code H58 occurs when at standby the door lock is locked nevertheless the door is open. Before further usage of washing machine, door lock must be unlocked first by technical intervention.
  • Page 57 HELP CODE H63 : INITIALIZATION FAULT INVERTER While the parameter set of the frequency inverter is written to the EEPROM memory of the inverter and a fault occurs during this action then Help Code H63 will be displayed. IT IS NOT RECOMMENDED TO USE THE WASHING MACHINE AS THE INVERTER WILL FUNCTION WITH THE WRONG PARAMETERS SETTINGS.
  • Page 58 HELP CODE H66 : WRONG VOLTAGE RANGE SELECTION Help Code H66 occurs when the wrong Voltage Range has been selected in the Configuration menu. Depending on the machine type and the inverter type, certain Voltage ranges are not allowed. DIAGNOSE(ERR43): 1.
  • Page 59 HELP CODE E95 : WATCH DOG If the watch dog has been activated, Help Code H53 is logged in the Error log register. If this occurs often, ask the help of a technician. DIAGNOSTIC CODE ERROR CODES 300-353: MITSUBISHI INVERTER ALARM MESSAGE If a Mitsubishi Inverter Alarm occurs, check the trouble shooting in the Mitsubishi inverter manual.
  • Page 60: Service Information

    9. SERVICE INFORMATION ATTENTION !!! PROFESSIONAL REPAIRS IN INSTALLATION CAN BE CARRIED OUT ONLY BY SERVICE ORGANIZATION WITH PERMISSION GIVEN BY PRODUCER / SUPPLIER. IN CASE OF ANY MAINTENANCE OR REPAIR DISCONNECT THE MACHINE FROM SOURCE OF ENERGY AND WAIT UNTIL THE MACHINE COOLS DOWN OR DRAINS WATER. PLEASE FOLLOW ALL INSTRUCTIONS IN THE MANUALS AND THE LABELS AND AS WELL AS VALID BASIC SAFETY LAWS IN ORDER TO PREVENT BURNS AND INJURIES CAUSED BY ELECTRICITY.
  • Page 61: Programmer Circuit Board

    9.3. PROGRAMMER CIRCUIT BOARD Picture 8.3 WARNING ! CONNECTION TO THE WRONG VOLTAGE SUPPLY MAY CAUSE SERIOUS BODILY INJURY AS WELL AS DAMAGE TO THE ELECTRONIC PARTS AND TO THE WASHING MACHINE ITSELF. - Voltage 200-240 Vac, 50/60 Hz - Power max 16 VA - Memory Flash Memory (contains the software)
  • Page 62: Instructions For Installing New Software

    9.5. INSTRUCTIONS FOR INSTALLING NEW SOFTWARE Switch off the main power. Open the cover plate of the washing machine. Take the combination support plate - electronic timer out of the machine. See also paragraph 9.4. The Flash Memory with the implemented software is the only IC on the logic board that can be removed.
  • Page 63: Specification Of Your Machine

    10. SPECIFICATION OF YOUR MACHINE MACHINE DATA type :……………………. phases ……………………. serial number :……………………. frequency ……………………. voltage :……………………. output ……………………. water supply cold soft cold hard hot soft ELECTRONIC DATA Programmer type : serial number …………………………… software version …………………………… software date ……………………………...
  • Page 64: Index

    11. INDEX DIAGNOSTIC MESSAGES..... 38 ACTUAL WATER TEMPERATURE ..26,36 INFORMATION FOR SERVICE....57 DISPLAY MESSAGES......35 ADVANCE...........4,5,24 INITIALISATION FAULT INVERTER..54 DISPLAY TEST........44 ADVANCING OR STOP A WASH CYCLE INITIALISATION MENU ......5,16 DISTRIBUTION SPEED..... 28,44 ..............24 INSTRUCTIONS FOR INSTALLING DOOR............25 ALARM FREQUENCY INVERTER..50 NEW SOFTWARE.........59 DOOR LOCK CHECK AT START...
  • Page 65 PRE-PROGRAMMED PROGRAMS..28 SET-UP MODE........3,5 TROUBLE SHOOTING ....4,26,56 PREWASH TIME ........6 SIGNAL ....4,5,10,22,29,30,31,32,33, TROUBLESHOOTING ......35 PRICE DISPLAY........11 ........34,42,48,49,50, 46 TUB ACTION - RPM........ 28 PRICE MENU........5,23 SOFTWARE ERRORS.......52,56 TUESDAY SPEC PRICE......12 PRICING MENU....11,12,13,14,52 SPEC PRICE START HOUR....12 TUMBLE SEQUENCE......
  • Page 68 IMPORTANT ! MACHINE TYPE: PROGRAMMER: GRAPHIC CONTROL TIMER(MCG AC) INSTALLATION DATE: INSTALLATION CARRIED OUT BY: SERIAL NUMBER: ELECTRICAL DETAILS: .....VOLT....PHASE....HZ NOTE: ANY CONTACTS WITH YOUR DEALER REGARDING MACHINE SAFETY, OR SPARE PARTS, MUST INCLUDE THE ABOVE IDENTIFICATION. MAKE CERTAIN TO KEEP THIS MANUAL IN A SECURE PLACE FOR FUTURE REFERENCE.