GE WCRE6270K Technical Service Manual

GE WCRE6270K Technical Service Manual

Profile washers with infusor wash systm
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GE Consumer & Industrial
Technical Service Guide
AUGUST 2009
Profi le Washers With
Infusor Wash System
WCRE6270K
WHRE5550K
WJRE5500K
WJRE5550K
WKRE5550K
WPRE6150K
WPRE8150K
31-9188
GE Appliances
General Electric Company
Louisville, Kentucky 40225

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Summary of Contents for GE WCRE6270K

  • Page 1 GE Consumer & Industrial Technical Service Guide AUGUST 2009 Profi le Washers With Infusor Wash System WCRE6270K WHRE5550K WJRE5500K WJRE5550K WKRE5550K WPRE6150K WPRE8150K 31-9188 GE Appliances General Electric Company Louisville, Kentucky 40225...
  • Page 2 If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. GE Consumer & Industrial Technical Service Guide Copyright © 2009 All rights reserved.
  • Page 3: Table Of Contents

    Table of Contents AC Line Filter ..................................20 Automatic Temperature Control (ATC) ........................19 Belt ......................................25 Brake Test .....................................41 Component Locator Views ............................14 Control Board Assembly ..............................17 Control Features ................................12 Control Panel..................................17 Cover/Lid Assembly .................................21 Diagnostics and Service Information ........................35 Drain Pump ..................................24 Field Service Mode ................................35 Front Panel ...................................24 Harness Fuse ..................................28...
  • Page 4: Nomenclature

    Nomenclature W P R E 8 1 5 0 K 2 W T Body/Backsplash Color Brand WT = White/Titanium GE Washer Feature Pack Engineering Revision P = Profi le Capacity/Confi guration Model Year Designator R = King Size Stainless Steel Tub...
  • Page 5: Introduction

    Introduction The new Profi le washers have the following features: • HydroWave™ with Infusor™ wash system gently pulls fabric through the water using up to a 630-degree reversing arc motion for a gentle, yet thorough, clean. • 4.1 cu. ft. colossal capacity handles king-size items and family-size loads, which results in fewer loads and less time.
  • Page 6: Motor And Drive System

    Motor and Drive System The new Profi le washer incorporates a new motor and drive system. The 120-VAC input powers a 3-phase induction inverter/motor assembly. The inverter produces approximately 340 VDC, which is pulse width modulated (PWM) to control motor speed. There is no location to check inverter output voltage to the motor. Voltage given is for information only.
  • Page 7: Shaft And Mode Shifter Overview

    Shaft and Mode Shifter Overview The shaft and mode shifter assembly consists of the shaft and tube, mode shifter cam, and mode shifter coil. It operates in 2 distinct modes, spin and agitation. The shaft and tube transfers power to the wash system. Motor power is transmitted to the shaft and tube from the drive belt to the drive pulley.
  • Page 8 Shaft and Mode Shifter Assembly Mode Shifter Coil Mode Shifter Cam Drive Shaft Agitate Position Mode Shifter Coil Mode Shifter Drive Pulley Note: Mode shifter coil energized for agitate mode; cam teeth disengaged from drive pulley. Spin/Idle Position Mode Shifter Coil Mode Shifter Drive Pulley...
  • Page 9 Mode Shifter Operation - Agitation The mode shifter is controlled by the motor inverter circuit. When the washer starts the agitation cycle, the inverter energizes the mode shifter coil. The magnetic field of the coil lifts the mode shifter cam, disengaging it from the drive pulley.
  • Page 10 Clothes Movement – Infusor vs Agitator Agitator Infusor • Clothes move down the center and up the sides. • Clothes move up the center and down the sides. • Clothes movement requires suffi cient water to • Clothes movement requires less water than is “fl...
  • Page 11 Precise Fill The manual load size settings selected by the consumer are fi xed time fi lls, the pressure switch does not control fi ll timing. When Automatic Load sensing is selected the machine determines how long the fi ll timing will be by monitoring the lower level pressure switch, the control receives the input from the lower switch and then determines the load size and fi...
  • Page 12: Control Features

    Control Features Features and appearance may vary between models. Profi le Models Controls Load Size detergent to the bottom of the basket and fabric softener to the dispenser prior to loading clothes. Loosely load clothes no higher than the top row of holes in the basket. For optimal performance, load items around the outside of the basket.
  • Page 13 During winter months, when the water entering your home is colder, or for locations with very cold water year round, use the PerfecTemp plus COLD to help dissolve powdered detergents and to improve the cleaning of your clothes. The TAP COLD feature turns the PerfecTemp feature on your washer off and uses your household tap water temperature for a COLD wash.
  • Page 14: Ac Line Filter

    Component Locator Views Front View Pressure Hose Suspension Rod Inverter Platform Motor Drain Pump Belt Drive Pulley Motor Pulley Control Panel (in service position) Water Valve Mini-Manual AC Line Filter Water Level Switch Secondary Board Main Control Board – 14 –...
  • Page 15: Infusor

    Washer Components WARNING: Sharp edges may be exposed when Leveling Legs servicing. Use caution to avoid injury. Wear Kevlar gloves or equivalent protection. The front legs are screw type and are adjusted by turning the legs counterclockwise to increase height. The rear leveling legs are contained in an Shipping Rod assembly and will level the rear of the washer left to right.
  • Page 16 To remove the infusor: Note: There are 2 O-rings on the softener dispenser. These must be intact and not damaged. If either O- Lift the dispenser top tab. Using the 2 turning ring is leaking, softener will be dispensed during the ¼...
  • Page 17: Control Board Assembly

    Rotate the top of the control panel forward Control Panel approximately 1 inch and slide to the right to unlock the 3 bottom locking tabs. It is necessary to remove the control panel from the backguard and place it in the service position to Lift the panel up and off the cover panel and rotate access: down.
  • Page 18 Note: The options selector has detents between Note: The LEDs in the 2 digit display can be as some of the settings. The washer will function if the much as 1/8-in. lower than the description on the knob is inadvertently set at one of the unmarked backsplash.
  • Page 19: Automatic Temperature Control (Atc)

    Water Valve Automatic Temperature Control (ATC) • The automatic temperature control (ATC) is a feature The water valve is a 120 VAC, dual solenoid type, that utilizes a thermistor to regulate the water fi ll and is accessed by placing the control panel in temperature.
  • Page 20 The main control should fi ll the tub with water within AC Line Filter +/- 10 to 15°F of set temperature by opening or closing the hot and cold water valves. The potential exists for the washer to cause electronic devices in the vicinity to experience ATC Temperature Chart ATC Temperature Chart disruption.
  • Page 21: Cover/Lid Assembly

    Cover/Lid Assembly Precise Fill Pressure Switch The cover/lid assembly is fastened at the front by The precise fi ll pressure switch is a 2-stage switch, 2 screws, on the sides by 4 metal catches, and at consisting of upper and lower level switches. the back by 3 locking tabs that protrude from the The lower level switch is used to control fi...
  • Page 22 Fill Levels and Testing To remove the precise fi ll pressure switch: The minimum fi ll volume on the setting of SMALL Remove the cover/lid. (See Cover/Lid Assembly is 10 gallons. The water level will measure Disconnect the 2 wire harnesses and remove approximately 6”...
  • Page 23: Lid Switch Assembly

    Note: Lid Switch Assembly • Lid switch openings are not retained in memory The lid switch assembly consists of 2 magnetically if power is interrupted. operated switches, enclosed in a plastic housing. One switch controls AC voltage and the other DC •...
  • Page 24: Drain Pump

    Front Panel Drain Pump The front panel is a removable, galvanized sheet The drain pump is coupled to a 120 VAC, 60 Hz, 85 metal section. The front panel is fastened at the watt motor. The pump motor has an approximate resistance value of 12 Ω.
  • Page 25 To remove the pump: Belt Note: Water will remain in hoses even when the tub • Since the belt provides constant tension, there is appears empty. Use care to avoid water spills. no need for adjustments (an adjustment method is not provided). Disconnect power to the machine.
  • Page 26 Wire Tie Figure A Note: Extra O-Ring included with tool. Figure B Note: • A new belt will be slightly smaller than the drive pulley. • A belt that has been installed on the drive pulley will stretch to the diameter of the pulley over time. This is normal and does not indicate a bad belt.
  • Page 27 To remove the inverter/motor: Inverter/Motor Disconnect power. The inverter/motor assembly receives 120 VAC, which the inverter converts to approximately 340 WARNING: Exposed terminals, PC board, and VDC. The inverter then uses pulse width modulation rotating parts may cause injury and/or electrical (PWM) to supply the motor with an AC varying shock.
  • Page 28: Harness Fuse

    Note: Minimal clearance exits between the 2 rear Harness Fuse -in. motor nuts, isolators, and the drive pulley. A non re-settable 10-amp fuse is wired into the Raise the front of the motor high enough to neutral side of the line. The fuse is wrapped in the disengage the motor alignment pin from the pin motor harness located along the right side of the locator hole, then slide the motor forward so...
  • Page 29: Tub Assembly

    Tub Cover Tub Assembly Note: The tub cover can be replaced without Note: The motor can be replaced without removing removing the tub. the tub. (See ) The tub assembly must Inverter/Motor. be removed when replacing the spin basket, outer To remove the tub cover: tub, or certain speed drive components.
  • Page 30 Caution: Use only a rubber mallet, dead blow WARNING: Exposed terminals, inverter board and hammer, or impact wrench to remove the hub nut. rotating parts may cause injury and/or electrical Use of a steel head hammer may result in damage shock.
  • Page 31: Shaft And Mode Shifter Assembly

    Note: The front and rear rod and spring assemblies Shaft and Mode Shifter Assembly have different spring compressions and should not be interchanged. The rods are color-coded to ensure The shaft and mode shifter assembly consists of the they are replaced in the correct position. Note the shaft and tube, mode shifter cam, and mode shifter color location before removing.
  • Page 32 Invert the tub assembly on a protected surface Run the belt off the drive pulley and remove the and remove the plastic tie that holds the fl ood 3/4-in. pulley nut. hose to the platform. Flood Hose Pulley Nut Plastic Tie Note: When replacing pulley, tighten pulley nut to 275 in.
  • Page 33 Remove the three 3/8-in. hex-head bolts from Lift the platform from the tub. the bottom of the platform. Remove the four 1/2-in. hex-head bolts that attach the platform to the tub. Two of 4 shown below. Place the platform upright on a protected surface and remove the tub bearing washer from the tube.
  • Page 34 Remove the inverted 3/8-in. hex-head bolt from the top of the platform. Note: Torque the four 3/8-in. hex-head bolts to 90 in. lbs. when reinstalling. Inverted Bolt Lift the shaft and mode shifter assembly from the platform. Shaft and Mode Shifter Assembly –...
  • Page 35: Diagnostics And Service Information

    Diagnostics and Service Information Field Service Mode Entering the Field Service Mode BEGIN The washer control has a fi eld service mode that can be utilized by the service technician in order to test critical PRESS AND HOLD THE components and to access error codes. This fi eld service START/PAUSE BUTTON mode will help the service technician to quickly identify failed or improper operation of these components.
  • Page 36 (shown at right) is designed for both Profi le and GE washers. The Profi le washers have a 2-digit display with 3 LEDs. The GE models use 5 LEDs rather than a display to note cycle progression. The large chart below indicates only those areas of the chart that will be displayed for Profi...
  • Page 37 Knob Position Function Description Position 0 LED Check Lights all LEDs on display. Position 1 Model Code Factory code setting for main control. Position 2* EEPROM Error Control memory check. Error requires main control replacement. (Rinse LED On) Position 2* Thermistor Error At the start of each wash cycle (except in the tap cold temperature (Wash LED On)
  • Page 38: Inverter/Motor

    Exiting the Field Service Mode FIELD SERVICE MODE ROTATE THE CYCLE SELECTOR KNOB TO ANY LOSS OF ROTATE THE CYCLE LOCATION OTHER THAN POWER TO SELECTOR KNOB TO A LEDs LIT (88) CONTROL LOCATION WHERE ALL 30 MINUTE LEDs ARE LIT (88) TIMEOUT PRESS AND HOLD THE FROM...
  • Page 39 Inverter/Motor Signal LED Errors • When excessive stop time more than 25-seconds is encountered, the LED blinks once for 1/4-second and then off for the remainder of a 6-second period. • When a broken coupling or slipping belt is detected, the LED blinks twice at a rate of 1/4-second on and 1/4-second off for the remainder of a 6-second period.
  • Page 40: Inverter/Motor Test

    Inverter/Motor Test Note: All electrical testing is done at harness plugs. MAIN CONTROL BOARD C7 C4 Voltage readings: C2 Pin 1 = Gnd C2 Pin 3 = N C2 Pin 5 to Pin 3 = 120 VAC C2 Pin 6 to Pin 3 = 120 VAC with lid switch closed C7 Pin 1 to Pin 2 = 135 VDC** C7 Pin 1 to Pin 2 = 30 VDC**...
  • Page 41: Mode Shifter Coil Test

    Mode Shifter Coil Test Note: The mode shift coil connects to C7 connector on inverter/motor assembly. Unplug C7 connector and check continuity. Mode shift coil resistance value is approximately 98Ω @ room temperature (77ºF). Brake Test The brake resistor is permanently molded into the underside of the inverter cover.
  • Page 42: Schematic

    Schematic WARNING: Disconnect electrical power before servicing. Caution: Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify operation after servicing. – 42 –...
  • Page 43: Warranty

    The suspension rod and spring assembly, and main electronic control board, if any of these parts Fifth Year should fail due to a defect in materials or workmanship. GE will also replace the washer lid or From the date of the cover, if they should rust under operating conditions.

This manual is also suitable for:

Wjre5500kWhre5550kWjre5550kWkre5550kWpre6150kWpre8150k

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