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Maytag Commercial MYR20, Руководство по обслуживанию

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Maytag Commercial MYR20 Скачать руководство пользователя страница 44

4-20

1. To remove the coin drop, open the control 

panel (See page 4-18).

2. Press the locking tab and disconnect the 

coin drop from the coin one connector. 

3. Cut the wire tie securing the coin drop 

wire harness in the control panel. Make 

sure to replace any cut wire ties during 

reinstallation. 

4. Remove four 7/32” hex nuts securing the 

coin drop to the control panel. 

5. There is a nut, star washer and flat washer.  

It may be easier to use a magnet to remove 

the washers. 

6. Push the coin drop out the front of the 

control panel to remove it. 

7. There is a card reader connector near the 

coin drop connectors.

Electrical Shock Hazard

Disconnect power before servicing.

Failure to do so can result in death or

electrical shock.

Replace all parts and panels before

operating.

COin DrOp

Coin Drop 

Connector

Wire Tie

Card Reader 

Connector

Coin Drop 

Connector

Содержание MYR20

Страница 1: ...Maytag Commercial Multi Load Washer Service Manual MYR20 MYR30 MYR25 MYR40 W11262428 TECHNICAL EDUCATION MODELS ...

Страница 2: ...e Tech Sheet supplied with the product or on the Service Website when servicing the Multi Load Washer The Service Website is located online at www serviceconnections org For access to the website or for questions please contact your Field Service Manager GOALS AND OBJECTIVES The goal of this Service Manual is to provide information that will enable the Commercial Laundry Service Professional to pr...

Страница 3: ...ce 3 4 Belt inspection and adjustment 3 5 COMPONENT ACCESS 4 1 Top panel open 4 1 Components accessible under the top panel 4 2 Chemical dispenser assembly 4 3 Top panel lock 4 5 Top panel removal 4 6 EMI filter 4 7 Drive contactor 4 8 Supply power transformer 4 9 Supply power switch 4 10 Fuse replace 4 11 Soap signal board 4 12 Variable frequency drive 4 13 Water inlet valve repair 4 15 Water inl...

Страница 4: ...lt 4 38 Temperature sensor 4 38 Speed sensor 4 39 Drive motor 4 40 Bearing housing 4 41 Bearing and basket replacement Preferred method 4 44 COMPONENT TESTING 5 1 Component resistance values 5 1 Door lock 5 2 Variable frequency drive 5 4 Variable frequency drive wiring 5 6 Drive contactor 5 7 Coin drop acceptor 5 8 Diagnosis and Troubleshooting 6 1 Service diagnostics 6 1 Diagnostic cycle chart 6 ...

Страница 5: ... Acrobat Reader is available for all devices to open pdf documents Click on any topic in the Table of Contents to go directly to that section Click on any link that says See page to go directly to the page referenced Click to view the video procedure on YouTube VIEW EQUIPMENT SAFETY VIDEO ...

Страница 6: ...vi NOTES ...

Страница 7: ...wrist strap to green ground connection point or unpainted metal in the appliance OR Touch your finger repeatedly to a green ground connection point or unpainted metal in the appliance Before removing the part from its package touch the anti static bag to a green ground connection point or unpainted metal in the appliance Avoid touching electronic parts or terminal contacts handle electronic contro...

Страница 8: ...ontrol no payment system ELECTRIC POWER CONNECTION W 120V 60Hz 1 Phase Non IEC no electric heat T 208 240V 50 60Hz 1 Phase Non IEC no electric heat S 220 240V 50 60Hz 1 Phase Non IEC no electric heat V 220 240V 50 60Hz 3 Phase IEC N 380 415V 50 60Hz 3 Phase IEC R 440 480V 50 60Hz 3 Phase IEC ELECTRIC HEAT OPTION CODE 0 No Internal Heating 1 8 kW 2 12 kW 3 16 kW 4 18 kW PANEL MATERIAL COLOR OPTION ...

Страница 9: ...l number designations SERIAL NUMBER MC 7 35 109 DIVISION RESPONSIBILITY MC Fall River MA YEAR OF PRODUCTION 7 2017 8 2018 9 2019 WEEK OF PRODUCTION 35 35th Week in the calendar year MANUFACTURING SEQUENCE NUMBER ...

Страница 10: ...1 4 Data plate location Data Plate On Back Panel ...

Страница 11: ...NCLUDED In the sixth through tenth years from the date of original purchase when this commercial appliance is installed operated and maintained according to instructions attached to or furnished with the product Maytag will pay for factory specified replacement parts for the following components to correct non cosmetic defects in materials or workmanship in the part that prevent function of the pr...

Страница 12: ...years from the date of original purchase when this commercial appliance is installed operated and maintained according to instructions attached to or furnished with the product Maytag will pay for factory specified replacement parts for the following components to correct non cosmetic defects in materials or workmanship in the part that prevent function of the product and that existed when this co...

Страница 13: ...2 1 Information specifications Rigid model dimensions ...

Страница 14: ...790 200 MYR40 183 6 45 750 29 5 411 16 2 18 40 693 200 MYR55 242 8 56 750 29 5 548 21 6 25 55 693 200 MYR65 276 9 76 750 29 5 621 24 4 30 65 693 200 Dimensions Washer Dimensions B C D A A B C D Model Width mm in Door Opening mm in Depth mm in Height mm in MYR20 660 26 328 12 9 686 27 1112 43 8 MYR25 750 29 5 410 16 1 725 28 5 1222 48 1 MYR30 750 29 5 410 16 1 840 33 1 1222 48 1 MYR40 890 35 0 459 ...

Страница 15: ...J1 mm in 225 8 8 225 8 8 225 8 8 289 11 4 289 11 4 289 11 4 Q1 mm in 280 11 371 14 6 371 14 6 406 16 0 406 16 0 406 16 0 R1 mm in 305 12 394 15 5 394 15 5 429 16 8 429 16 8 429 16 8 P1 mm in 368 14 5 458 18 458 18 492 19 4 492 19 4 492 19 4 I1 mm in 451 17 7 543 21 4 543 21 4 578 22 7 578 22 7 578 22 7 O1 mm in 60 2 3 70 2 7 70 2 7 70 2 7 70 2 7 70 2 7 R2 K1 L1 J1 I1 R1 Q1 P1 01 K2 J2 L2 R3 P2 I2 ...

Страница 16: ... 5 1560 61 43 MYR55 940 37 0 1169 46 0 1560 61 4 MYR65 940 37 0 1242 48 9 1560 61 4 Approximate Weight Model Uncrated kg lb Crated kg lb MYR20 151 334 166 365 MYR25 203 447 218 480 MYR30 222 489 237 523 MYR40 312 688 328 724 MYR55 332 731 349 769 MYR65 347 764 364 802 Water Heating Factory Option Only Model Electrical heating optional alternate heating element size kW MYR20 8 or 12 MYR25 8 or 12 M...

Страница 17: ... MYR20 2 Yes 13 1 2 1 8 20 120 4 8 76 3 NO MYR25 2 Yes 13 1 2 1 8 20 120 4 8 76 3 NO MYR30 2 Yes 13 1 2 1 8 20 120 4 8 76 3 NO MYR40 2 Yes 13 1 2 1 8 20 120 4 8 76 3 NO MYR55 2 Yes 13 1 2 1 8 20 120 4 8 76 3 YES MYR65 2 Yes 13 1 2 1 8 20 120 4 8 76 3 YES Energy Water Usage Model Average Cycle Water Use lbs Hot Water Total Water Total Hot Ratio MYR20 20 4 11 7 2 925 MYR25 25 6 17 6 2 925 MYR30 30 8...

Страница 18: ...its head Standard torques are used except in the locations specified below Component MYR25 MYR30 MYR40 MYR55 MYR65 Ft Lbs NM Ft Lbs NM Tub Cover Clamp 9 12 9 12 Tub Strap 18 25 18 25 Drive Pulley 37 50 74 100 Bearing Housing 18 25 52 70 Crosspiece Outer Bolts 37 50 70 95 Crosspiece Inner Bolts 15 21 18 25 ...

Страница 19: ...mponent There are three internal switches to providing lock status to the ACU With the washer idle and the door open the door detection and door locked switches will be in an open state and the door unlocked switch closed When the door is closed with the door pin making initial insertion into the lock assembly the door detection switch will change from open to closed The door lock switch remains o...

Страница 20: ... that keeps the diaphragm seated against the valve seat and avoids water flow through the valve The water at the inlet G pushes against the diaphragm H The solenoid plunger B and the spring A by themselves are not strong enough to overcome the water pressure trying to raise the diaphragm Therefore it is necessary to equalize the pressure on both sides of the diaphragm in order to keep the diaphrag...

Страница 21: ...ilable for signals to dispenser pumps Each port has a corresponding LED to indicate when the port is active Supply signals are 24VAC with a maximum current of 10mA The Liquid Supply harness is routed through the controls tray and connects to J11 on the ACU USB update procedure There are two USB ports available on the washer One is located inside the control panel and a second is on exterior of the...

Страница 22: ...e the washer from the back for one wash cycle Be sure that water does not leak out of the drain during the wash part of the cycle and that it drains freely at the beginning of extraction Clean the drain if either of these symptoms are observed 1 Turn off power to washer at the circuit breaker or fuse box 2 Check the tightness of the bolts securing the rear panel of the washer 3 Check the belt for ...

Страница 23: ... tension is a harmonizer Select the function to measure Hertz Strum belt midway between two pulleys and read the measurement Frequency of the belts should be within the values listed above Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Belt inspection and adjustment Belt Inspection and...

Страница 24: ...3 6 NOTES ...

Страница 25: ...ise to unlock the left lock 3 Turn the key clockwise to unlock the right lock 4 Lift the top and support it with the prop rod below the top behind the chemical dispenser Top panel open Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Two Locks ...

Страница 26: ...g chamber 11 The variable frequency drive is enclosed in a metal box in the top back left corner under the top panel This is accessible from the back panel Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Components accessible under the top panel Chemical Dispenser EMI Filter Drive Conta...

Страница 27: ...mm nut driver Phillips or Flat blade screwdriver to loosen the hose clamps securing the water inlet hoses to the back of the chemical dispenser assembly 7 Pull the hoses with a twisting motion to remove the hoses from the chemical dispenser 8 Slide the hose clamps down the hoses 9 Loosen the hose clamp on the dispenser outlet hose 10 Grasp the hose twist and slide it off the outlet Electrical Shoc...

Страница 28: ...r Slide it toward the front slightly and lift the dispenser out of the mounting plate 20 There are two tabs that hold the back edge of the dispenser to the mounting plate 11 Open the dispenser covers and peel the gasket up from around the edge of the dispenser to expose the screws 12 Remove eight T 20 screws securing the chemical dispenser insert 13 Three of the screws are behind the dispenser cov...

Страница 29: ...e lock shaft 4 Remove the 7 8 hex nut securing the lock to the top panel 5 Push lock out of hole in the top panel and remove it from the front of the top panel 6 Replace the lock as needed Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Top panel lock 7 16 Hex Nut 7 8 Hex Nut ...

Страница 30: ...each hinge on the back panel 3 The hinges are riveted to the top panel 4 Lift and remove the top panel Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Top panel removal ...

Страница 31: ...er and ground wire 6 There is another flat washer behind the ground wire 7 Remove two 7mm hex nuts from each side of the EMI filter securing the filter to the component tray 8 It may be easier to use a magnet to retrieve the nuts and washers 9 Lift the EMI filter up off the bolts and remove it Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electri...

Страница 32: ...Phillips screwdriver is recommended 4 Remove the wires from the retainers 5 Pull the contactor toward the left side of the washer and lift to remove the contactor 6 The contactor is held in place by two tabs that fit into slots and a spring loaded retainer Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels...

Страница 33: ...are holes to access each retainer screw through the cap 5 Remove the wires from the retainers 6 Remove three Phillips head screws securing transformer to the component tray 7 Slide transformer toward the front of the washer to remove the tab on the transformer from slot in the component tray Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrica...

Страница 34: ...mber one Phillips screws that were hidden by the knob securing the switch face to the back of the washer 7 Remove the switch face 8 Remove four number two Phillips screws hidden by the switch face securing back plate to the switch inside washer cabinet When removing the last screw support the switch body inside the washer cabinet 9 Pull the switch body out of the hole in the back panel 10 Remove t...

Страница 35: ...ter turn counter clockwise and pull the fuse holder out 3 Pull the fuse out of the holder 4 These are 1 amp fuses 5 After replacing a fuse make sure to reinstall the fuse cover bracket Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Fuse replace Two T 20 Screws ...

Страница 36: ...el 3 When looking at the board the power connection is at the lower right side ACU signal connection is at the upper right side and connections for liquid chemical pumps is at the upper left side 4 The strain relief at the lower left corner of the board is for the soap signal wires Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Re...

Страница 37: ... assist in proper reassembly 6 To disconnect the wires use a small flat blade screwdriver Push in on the button above the wire and pull the wire out 7 To access the supply power wires remove the lower cover Push down on the lower cover and pull the cover out 8 Use a Phillips head screwdriver to loosen the screws above each wire Pull the wires down to remove them Electrical Shock Hazard Disconnect ...

Страница 38: ...crews and pull it out of the mounting area in the washer 9 Loosen the screws above the motor wires at connectors U V W Pull down to remove the wires 10 Remove two screws securing the ground wires The ground wires have eyelets so the screws must be fully removed 11 Remove two Phillips head mounting screws in the top corners of the VFD Power Wires Motor Wires Ground Wires Two Phillips Screws Two Phi...

Страница 39: ...m with a valve stem tool on a 1 2 nut driver Place the tool over the valve stem and unscrew the valve stem 6 Remove the valve stem 7 On the bottom of the valve stem is the diaphragm Peel diaphragm off valve stem 8 The plunger can be pulled out of the stem and there is a spring that pushes the plunger down when the valve is not energized TECH TIP In case a valve stem tool is not available a pair of...

Страница 40: ...ver Phillips or Flat blade screwdriver to loosen hose clamps securing the water inlet hoses to the valve assembly 5 Slide the hose clamps down the hoses 6 Use a twisting motion while pulling to remove the hoses from the valves 7 Make sure to mark the hoses and valves for proper reinstallation Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electric...

Страница 41: ...the bleach dispenser 8 Cold valve number one goes to the pre wash dispenser 9 Cold valve number two goes to the main wash detergent dispenser 10 Cold valve number three goes to the bleach dispenser 11 Cold valve number four goes to the fabric softener dispenser Pre Wash Main Wash Bleach Fabric Softener 7 6 5 1 4 2 3 1 5 2 6 3 7 4 Hot Valves Cold Valves ...

Страница 42: ...ntrol unit or ACU is mounted to the control panel bracket E USB connection is mounted to the right of the ACU This is for programming and software updates There is another USB connection on the back panel for the same use F At the left end of the control panel is the coin drop G The service switch is located between the Wifi module and the coin drop under the top edge of the control panel The swit...

Страница 43: ... plate to the control panel 4 There is a nut a star washer and a flat washer 5 Support button when removing the last nut 6 Remove the emergency stop button from the front of the control panel Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Emergency stop button Harness Plug ...

Страница 44: ...curing the coin drop to the control panel 5 There is a nut star washer and flat washer It may be easier to use a magnet to remove the washers 6 Push the coin drop out the front of the control panel to remove it 7 There is a card reader connector near the coin drop connectors Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace a...

Страница 45: ...vice and vault switch connector J6 Gen 2 card reader connector There is a 3 volt battery on the HMI to maintain real time clock in case of power loss Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating HMI connections J5 J3 J10 J11 Keypad Ribbon Cable J8 J7 J6 3 Volt Battery ...

Страница 46: ...I to the control panel TECH TIP Before touching electronic parts touch bare metal on the washer to ground any static that has built up 4 Lift the HMI off the control panel The display is on the back side of the HMI Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Human machine interface ...

Страница 47: ...er level pressure hose J1 out of balance J11 soap dispenser signals Down the right edge starting from the top right corner J3 speed sensor J9 temp sensor Communication cable to the frequency inverter drive Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Appliance control unit ACU connec...

Страница 48: ...trical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Appliance control unit removal Hose Clamp One T 20 Screw 5 Remove one T 20 screw securing the ACU board to the control panel bracket 6 Pull the board forward away from the control panel bracket and slide it to the left to remove the tab from t...

Страница 49: ...et securing the Wifi module to the control panel 4 Lift the Wifi module out of the control panel NOTE On the back of the Wifi module is a sticker with the SAID Smart Appliance ID and the MAC address for this Wifi module Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Wifi module Four Ta...

Страница 50: ...tch and mounting bracket out of the control panel 4 To remove the switch remove two T 10 screws securing switch to mounting bracket 5 Disconnect the two wire connectors from the service switch Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Service switch Two T 20 Screws Two T 10 Screws...

Страница 51: ...ove door strike open washer door 2 Remove two 5 hex screws securing the door strike to the inside of the door 3 Remove the spring behind the strike The spring allows the strike to move a little for proper operation of the strike 4 Before tightening the door strike screws completely test closing the door to make sure strike is aligned correctly for the hole 5 When alignment of the strike is correct...

Страница 52: ...top hinge block from the hinge pin 7 There is a shim on each hinge block positioned between hinge block and door 8 To remove the hinges remove two T 30 screws from each hinge 9 Support the hinges when removing the last screw 10 There are no shims behind the hinges 11 Remove the bottom hinge the same way NOTE The longer screws are used for the hinges on the washer front panel The shorter screws are...

Страница 53: ...he seal away from the edge of the glass all the way around the glass 5 To reinstall the rubber seal position the front lip of the rubber seal over the edge of the door opening 6 Work the lip of the seal over the edge all the way around the door opening 7 To reinstall the door glass set the bottom edge of the door glass inside the lip of the seal 8 Work the seal over the edge of the glass all the w...

Страница 54: ...two pins on the bottom of the panel from the grommets in the base rail of the washer frame 3 The component accessible behind the toe panel is the drain valve Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Toe panel Two Star Screws Pin On Toe Panel Grommet In Frame ...

Страница 55: ...hillips or flat blade screwdriver 7 Twist and pull the drain line to remove it from the drain valve 8 Loosen the hose clamp securing the pressure sensor hose 9 Twist and pull the pressure sensor hose off the drain valve 10 Loosen the clamp securing the tub to pump hose 11 Twist and push the tub to pump hose up off the drain valve inlet 12 Remove two 13mm bolts on the left side of the drain valve s...

Страница 56: ...ve the front panel from the washer 5 There are locating pins at the top and bottom of the side panels that fit into holes in the front panel 6 Components accessible after removing the front panel include the door lock ornament panel and the cover for the heaters Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and ...

Страница 57: ...he left side of the ornament panel above and below the door lock 5 Pull the ornament panel forward just enough to slide the door lock out from behind it 6 To disconnect the wire harness from the door lock push the locking tab away from the plug and pull plug out of the connector NOTE The wire harness is available as a separate part Electrical Shock Hazard Disconnect power before servicing Failure ...

Страница 58: ...ss panel There are three slots for heating elements for electric water heat in this washer 5 The back end of the heating elements are supported by three brackets in the outer tub visible here with the basket removed Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Heating elements Two Ph...

Страница 59: ...30 screws securing the ornament panel to the front of the washer 4 Support the panel when removing the last screw 5 Remove the ornament panel Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Ornament panel Six T 30 Screws ...

Страница 60: ...e top edge of the back panel away from the washer 6 Lift the panel up off the bottom two screws and remove it NOTE The bevel in the back panel is not centered in the panel Make sure to line up the bevel with the basket pulley when reinstalling the back panel 7 Components accessible behind the back panel include Basket pulley Speed sensor Temp sensor Connection for steam Drive belt Motor Wire harne...

Страница 61: ... back panel 4 Remove four T 30 screws two on each side securing the lower back panel to the side panels 5 Lift the panel up from the bottom and move it back away from washer to remove panel Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Lower back panel Two T 30 Screws Two T 20 Screws ...

Страница 62: ...nnect the wire harness from the temperature sensor 3 Grasp the temperature sensor and use a twisting motion while pulling the temperature sensor out of the rubber grommet Drive belt Temperature sensor Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Electrical Shock Hazard Disconnect pow...

Страница 63: ...e piece 8 To adjust the speed sensor first loosen the front nut then adjust the back nut as needed to move the position of the sensor back and forth 9 Re tighten the front nut and check for proper adjustment Proper distance between the speed sensor and the sensor plate should be approximately 3mm 10 When power is on the speed sensor can be tested by turning the basket pulley until the sensor plate...

Страница 64: ...he wire ties securing the motor wire harness to side panel of the washer Make sure to replace any wire ties that are cut 8 Remove the mounting bolt It may be necessary to use a drive pin and hammer to drive the bolt out of the mount It may also be necessary to use a ratchet to turn the threads of the mounting bolt out of the mount to remove the bolt 9 Use a large screwdriver to wedge the motor up ...

Страница 65: ... secure the front of the spin basket in place 8 Eight bolts secure the bearing housing to the tub support The empty holes visible at the left and right of the bearing housing are for use with jack bolts 9 Remove the bearing housing bolts There is no particular order to the removal process 10 One method to remove the bearing housing is using jack bolts Thread a jack bolt into the hole on each side ...

Страница 66: ...g house will begin to separate from the tub support as the jack bolts are tightened When the bearing house is loose pull it straight back off the shaft 13 Seals and bearings are visible in the front of bearing house This has triple lip seals to avoid water reaching the bearing 14 The preferred method to remove the bearing housing is with a gear puller Install a bolt into shaft that has a hole in t...

Страница 67: ...stall the bolt and thrust bearing 36 Tighten the bolt to drive the basket pulley onto the shaft 37 Reinstall the basket pulley bolt 24 When the bearing house is centered and within a half an inch of closing the gap install at least two of the bearing house bolts to align the bearing house properly 25 Tighten these bolts until snug 26 If necessary add washers between the bolt and the thrust bearing...

Страница 68: ...puller in the weep holes of the bearing house 8 Use a bolt with centering hole so the gear puller will not slip 9 Drive the basket forward pushing the shaft through the bearings in the bearing house Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Bearing and basket replacement Preferred...

Страница 69: ...ks made earlier for proper orientation 18 Tighten the clamps at the top and bottom with a 13mm wrench Alternate between the clamps while tightening 10 Using two people pull the basket out from the front of the washer 11 Install a long bolt in the basket shaft as a guide when reinstalling the basket 12 Using two people reinstall the basket Make sure to not touch the seals when inserting the shaft i...

Страница 70: ...4 46 NOTES ...

Страница 71: ...make all resistance checks by disconnecting the component connector at the Appliance Control Unit ACU Fill Valve Coil 75KΩ Drain Valve Motor 120Ω Contactor Coil 525Ω Temperature Sensor 10KΩ at 77 F 25 C DANGER Electrical Shock Hazard Only authorized technicians should perform diagnostic voltage measurements After performing voltage measurements disconnect power before servicing Failure to follow t...

Страница 72: ... before operating Failure to do so can result in death or electrical shock Door lock Door State State of Switch Common to Unlock Common to Lock Common to Detection Door Open Closed Open Open Door Closed Closed Open Closed Door Closed and Locked Open Closed Closed Door Lock Assembly Schematic ...

Страница 73: ...5 3 ACU Door Lock Connections Note that Door Lock and ACU connection pin numbers invert with harness ...

Страница 74: ...an result in death or electrical shock WARNING Electrical Shock Hazard WARNING Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Voltage Measurement Safety Information When measuring live voltage you must complete the following steps 1 Disconnect power 2 Connect voltage measurement equipment to the proper connec...

Страница 75: ...ault is a Communication Error or a Motor Error Test Drive operation in Diagnostic Main Control Test by running Motor Check Tumble test Refer to Diagnostic Tests If the fault is a Communication Error check supply voltage and Contactor Confirm voltage at VFD If fault is Motor Error check drive belt and check basket rotation for restriction If necessary confirmation of DC Bus voltage can be measured ...

Страница 76: ...5 6 120VAC Single Phase Wiring Variable frequency drive wiring 208 240VAC Single Phase Wiring 208 240VAC Three Phase Wiring ...

Страница 77: ...nd Terminal 6 T3 For Three Phase washers Supply voltage L1 is connected to Terminal 1 L1 Supply voltage L2 is connected to Terminal 3 L2 and Supply voltage L3 is connected to Terminal 5 L3 Output power to the VFD is connected to Terminal 2 T1 Terminal 4 T2 and Terminal 6 T3 Power to energize the Contactor Coil is sent from the ACU to Terminals A1 and A2 Coil voltage is 230 VAC 1 L1 Supply Power In...

Страница 78: ...ding the coin acceptor plates apart This allows the coin to fall and roll into the coin return bail area The face plate has a coin bail arched area for the coin which is located at the base of the coin return slot The face plate can be removed from the coin acceptor by removing the two screws from the back side of the face plate The coin sensor is mounted to a bar located at the back of the coin a...

Страница 79: ...ess Start Enter to confirm Note the door lock is the first component test and must be left in a locked state to continue testing other loads such as motor check Tumble Spin The next Menu in Diagnostic Mode is HMI UI Tests This Menu allows you to verify and test all sensors connected to the HMI UI including Coin 1 and Coin 2 the Keypad membrane switch the Card Reader port in Gen 1 and Gen 2 Service...

Страница 80: ...6 2 Diagnostic cycle chart ...

Страница 81: ...OR UNLOCK ERROR Not detecting Door Unlocking F 32 NOT FILLING Check water supply and pressure sensor parts F 70 COMMUNICATION ERROR Check connection between UI and ACU F 71 COMMUNICATION ERROR Check connection between UI and ACU F 74 EEPROM ERROR F 74 EEPROM ERROR T 01 HEATING ERROR Check Electric Heat Element or Steam Supply T 02 SLOW HEATING Check Electric Heat Element or Steam Supply T 03 OVER ...

Страница 82: ...eset 21 Main Clock and Reference RTC clock ticks are out for range for 4 consecutive readings System Reset 22 If Main clock counter reaches MAX Count of 65535 and still its is not validated with ref clock System Reset 23 1 RS485 communication break for 500 msec while setting M Const 2 Modbus read register fail for 3 times 3 Motor speed from drive MAX speed 301 Hz 4 Drive speed is 50 rpm and Sensor...

Страница 83: ... Analog channel configuration has got corrupted System Reset 35 NV data store issue No Action 36 NV data restore issue No Action 37 NV data write error No Action 38 When segment bigger than buffer is read write No Action 39 If the motor temperature is exceeding the said threshold values or is exceeding at a higher rate than expected Stop filling Open Drain Stop Motor and then wait for 2 min and op...

Страница 84: ...6 6 NOTES ...

Страница 85: ...agram Single phase 30 Apr 2018 14 01 02 EDT RELEASED in some european factories the letter W of the part code mentioned herein will be automatically replaced by the number 4000 e g W12345678 becomes 400012345678 J19 ...

Страница 86: ...7 2 NOTES ...

Страница 87: ...trike 4 27 Drain valve 4 31 Drive belt 4 38 Drive contactor 4 8 Drive motor 4 40 Emergency stop button 4 19 EMI filter 4 7 Front panel 4 32 Fuse replace 4 11 Heating elements 4 34 HMI connections 4 21 Human machine interface removal 4 22 Lower back panel 4 37 Ornament panel 4 35 Service switch 4 26 Soap signal board 4 12 Speed sensor 4 39 Supply power switch 4 10 Supply power transformer 4 9 Tempe...

Страница 88: ......

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