GE Monogram ZHU30 Technical Service Manual Download Page 1 | Manualshive

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GE Monogram ZHU30 Technical Service Manual Download Page 1

GE Appliances

General Electric Company

Louisville, Kentucky 40225

31-9164

Pro

fi

le and Monogram

30- and 36-in.

Induction Cooktop

PHP900
PHP960

ZHU30
ZHU36

Technical Service Guide

April 2008

GE Consumer & Industrial

XXR

Q

HO

T

VER

Y

HO

T

LEFT

SIDE

RIGHT

SIDE

NO

TSO

HO

T

XBE

WY

WARM

XQ

MA
HO

T

XXR

Q

HO

T

VER

Y

HOT

NO

TSO

HO

T

XBE

WY

WARM

XQ

MA
HO

T

LEFT

SIDE

RIGHT

SIDE

REALL

Y

HO

T

1
2
3
...
»

Summary of Contents for Monogram ZHU30

Page 1: ...Monogram 30 and 36 in Induction Cooktop PHP900 PHP960 ZHU30 ZHU36 Technical Service Guide April 2008 GE Consumer Industrial XX RQ HOT VE RY HOT LE FT SIDE RIGHT SIDE NOTS O HOT XB EW Y WARM XQ MA HOT XX RQ HOT VE RY HOT NOTS O HOT XB EW Y WARM XQ MA HOT LE FT SIDE RIGHT SIDE RE ALLY HOT ...

Page 2: ... avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES 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 an...

Page 3: ...ertop 21 Diagnostics and Service Information 31 Elements 22 Fans 30 Filter Board 29 Generator Boards 28 Glass Maintop 22 Heat Shield 26 Installation 7 Introduction 4 Introduction to Induction Cooking 6 LINbus Connectors 27 Nomenclature 5 Operation Overview 16 Schematics and Wiring Diagrams 33 Thermal Cut out 28 Touch Board 23 Warranty 35 ...

Page 4: ... the highest wattage induction element in the industry warming capability and a low heat simmer setting for delicate sauces Cooler cooktop surface Since there is not a traditional thermal heating element the induction cooktop stays cooler than conventional radiant cooktops Below cooktop venting that dissipates heat permitting less depth to the burner box Easy cleanability Cooktop cleaning is easie...

Page 5: ...Control Type R Digital Monogram Model Number Z H U 30 R B M 1 B B Engineering Digit 1 1st Version Nomenclature The letter designating the year repeats every 12 years Example T 1974 T 1986 T 1998 Serial Number The first two numbers of the serial number identify the month and year of manufacture Example AR123456S January 2008 A JAN 2008 R D FEB 2007 M F MAR 2006 L G APR 2005 H H MAY 2004 G L JUN 200...

Page 6: ...agnet Water Glass Cooktop Surface Induction Coil Pan with Bottom of Magnetic Material created by the induction coil is applied to only the bottom of the pan The contents of the pan are therefore heated more quickly than they would be if heated by a gas flame or a traditional radient heating element By heating only the bottom of the pan the surrounding surface remains cooler than with traditional c...

Page 7: ...and follow the manufacturer s recommended procedure closely Ceramic Glass Cooktop If the glass is damaged it may be replaced as a separate part The touch board and electronics are separate parts Models PHP900 and ZHU30 13 MAX Depth of uprotected overhead cabinets 30 MIN Clearance from countertop to unprotected overhead surface 2 MIN Clearance from cutout to side wall on the left of the unit 15 MIN...

Page 8: ...Features and appearances may vary Explained on page Cooking Elements 10 Control Lock 13 Kitchen Timer 12 ON Indicator Light one for each element 10 Hot Surface Indicator Light Area 12 Cooking Element ON OFF Control 10 PHP960 36 Cooktops PHP900 30 Cooktops NOTE 30 models have cooking element location indicators next to each control ...

Page 9: ...king element requires a MINIMUM pan size If the pan is properly centered and of the correct material but is too small for the cooking element the element cannot be activated The display will flash F along with the power level selected Cookware larger than the element ring may be used however heat will only occur above the element For best results the cookware must make FULL contact with the glass ...

Page 10: ...with hands Always use mitts or pot holders to protect hands from burns DO NOT SLIDE cookware across the cooktop surface Doing so may permanently damage the appearance of the ceramic cooktop Curved or warped pan bottoms or sides Pan does not meet the minimum size required for the cooking element used Cookware centered correctly on cooking element surface Flat pan bottom Pan size meets or exceeds th...

Page 11: ...ed steel and combinations of these materials Some cookware is specifically identified by the manufacturer for use with induction cooktops Use a magnet to test if the cookware will work Flat bottomed pans give best results Pans with rims or slight ridges can be used Round pans give best results Pans with warped or curved bottoms will not heat evenly For wok cooking use a flat bottomed wok Do not us...

Page 12: ...F pad The induction element will be turned off and the display will be blank With an element control ON If a pan is removed or moved to off center from the cooking ring the control will flash F along with the power setting After 30 seconds the element will be deactivated and displays will turn off If the pan is placed back on the zone within 30 seconds the flashing will stop and cooking will resum...

Page 13: ...pendent induction generators One generator controls 2 elements or two cooking zones within a heating section share the power of one generator Five burner cooktops are divided into 3 zones The right and left side have separate cooking zones and the large center element is another separate cooking zone Power Sharing is activated when both elements in the same cooking zone are activated and one eleme...

Page 14: ...chen timer to measure cooking time or as a reminder The kitchen timer does not control the cooking elements Touch the Timer ON OFF pad Touch the or pad to choose the desired number of minutes When the or pad is held for several seconds the timer will increase or decrease at a faster rate The timer will automatically start to count down the minutes you have selected within 5 seconds of the last ent...

Page 15: ...n occurs make sure the air inlet below the cooktop is unobstructed Touch the ON OFF pad and allow the cooktop to cool for 30 to 45 minutes before operation can begin again If either of these conditions persist call for service IMPORTANT If the E flashes alone without alternating to a c or o a hardware error has occurred Call for service Error Alerts Flashing E c and E o IMPORTANT As a convenience ...

Page 16: ...Generator board maximum output is 3700W When using an element on high and a second element sharing the same generator board is then operated the second element will receive priority For example if the first element was using 3700W when the second element was turned on power on the first element will be reduced to a lower setting The 36 in cooktops have 2 filter boards that supply voltage to 3 gene...

Page 17: ...arness Electrical Cover Conduit Clamp Baffle Glass Aluminum Heat Shield Right Gene Modu Protective Tape Burner Box Hold Down Brackets with Thumbscrews Cable Kit Insulation Right Insulation Left Left Side Generator Board Right Side Generator Board Center Generator Board Left Generator Module Right Generator Module Box Left Generator Module Box Wiring Harness ...

Page 18: ...Generator Board Fan Left Side Generator Board Fan Cover Foam Seal Wire Harness Electrical Cover Conduit Clamp Baffle Glass Shield Generator Module Protective Tape Burner Box Hold Down Brackets with Thumbscrews Filter Board Cable Kit Generator Module Box Wiring Harness ...

Page 19: ...ge 36 in Models ZHU36 and PHP960 Aluminum Heat Shield Touch Board Main Fan Filter Board Filter Board Left Side Generator Board Center Generator Board Right Side Generator Board Left Side Fan Thermal Cut out Thermal Cut out ...

Page 20: ... 20 Filter Board Fan Left Side Generator Board Right Side Generator Board Aluminum Heat Shield Touch Board 30 in Models ZHU30 and PHP900 Thermal Cut out ...

Page 21: ...ay be exposed when servicing Use caution to avoid injury Wear Kevlar gloves or equivalent protection Note When servicing the cooktop care must be taken not to scratch or damage the glass All components are accessible by removing the glass top If the display touch board is damaged it can be replaced as a unit by removing the glass top and replacing the touch board The touch board is located by pins...

Page 22: ...embly To remove heating elements Remove the glass maintop See 1 Glass Maintop Mark the alignment pins and guides for correct 2 replacement Caution To prevent damage to element insulation care should be taken when handling an element Note If some insulation should separate from the element it can be placed back on the element in its original position Do not use any adhesives 3 Lift an element off t...

Page 23: ...ivity between the touch board and the cooktop glass To remove the touch board Remove the glass maintop See 1 Glass Maintop Note the location of the touch board wire 2 harness then disconnect the wire harness from the touch board Note To insure proper positioning when replacing the touch board be sure to engage pins in guides Pin Guide Capacitance Foam Pad 5 Note the routing of the element wires an...

Page 24: ...lass Top There are 10 tabs on 30 in models and 14 tabs on 36 in models All tabs are located along the perimeter of the heat shield Tab Locations 30 in Model Heat Shield Heat Shield Tab Note If one or more functions do not work and no apparent damage is present the cause can be an excessive flat bottom drop of the packaged unit during shipping handling The force of the drop can position the heat sh...

Page 25: ...t shield can be aligned with the tab by pushing down on the screwdriver and raising the heat shield even with the tab Tab Locations 36 in Model Inspect all tab to heat shield alignment areas Repeat this alignment procedure on all tabs if necessary It may be necessary to insert the screwdriver in the right side gap push down on the screwdriver and raise the heat shield even with the tab Properly Al...

Page 26: ...nect Rail 36 in model shown 7 Raise the rear of the heat shield approximately 3 inches and disconnect the 2 ground wires from the bottom of the heat shield 6 Remove the 20 Phillips head screws from the top of the heat shield On 30 in models remove the 5 Phillips head screws from the top of the heat shield Rear view shown 36 in model shown 36 in model shown 8 Lift and remove the heat shield from th...

Page 27: ... the filter board right filter board on 36 in models acts as the LIN master while the generator boards and left filter board on 36 in models are the LIN slaves All of these components receive a signal to perform a specific task but only the appropriate component will act on the message and respond accordingly The component which acts on the specific task is based on programming Since the LINbus si...

Page 28: ...be connected to the bottom terminal on the generator board 4 Disconnect the LINbus connector See LINbus Connectors 5 Note the position of the thermal cut out and pull it out of the heat sink fins Clip Clip Disconnect Disconnect Thermal Cut out Tab Tab Disconnect 6 Remove the two T 15 Torx screws that hold the generator to the module base 7 Lift the heat sink side and slide the generator board away...

Page 29: ...n 36 in models disconnect the filter to filter wire harness 8 Disconnect the LINbus connectors See LINbus Connectors 9 Using a flat blade screwdriver carefully press in the large 1 30 in model or 2 36 in model tabs away from the filter board Lift the filter board and pull the filter board away from the smaller tab on the module base Bottom of module shown Tab Tab Tab LINbus LINbus Arrows indicate ...

Page 30: ...an motor All fans are operated by 12 VDC motors Caution To prevent damage to fragile fan locking tabs test fan before removing it from the module Note When testing these fans You cannot test with an ohmmeter Fan can be run for a short period of time using a 9 volt battery Connect the negative battery terminal to the black wire Connect the positive battery terminal to the white wire The fan for the...

Page 31: ...e is too fast or temperature at ele ment is too high Check if an empty pan is being heated Check for obstruction in fan wire connections to board Check fan vents for air blockage Replace element Diagnostics and Service Information Failure Codes The cooktop operates a self diagnostic mode when power is applied The touch board has error codes that can be utilized by the service technician in order t...

Page 32: ...ected Check pans for flat bottom Pan not detected Check pans with magnet for steel content Pan not detected Check pan size vs element size Element turns off if pan is off burner more than 30 seconds Check if pan has been removed from element for more than 30 seconds Element changes cooking level Internal temperature mainte nance Refer to Owner s Manual element reduces from Boost to 9 after 10 minu...

Page 33: ... Not used 2 Wire Model ZHU36 and PHP960 WIRE COLORS BARE U BLACK B or BK BLUE N or BU BROWN C or BR GRAY S or GY GREEN G or GN ORANGE O RED R VIOLET V WHITE W YELLOW Y WARNING To prevent electrical shock disconnect power to the cooktop prior to servicing Caution A special tool is required when removing the connections marked with an from the circuit boards See LINbus Connectors Damage to the circu...

Page 34: ...ing the connections marked with an from the circuit boards Damage to the circuit boards or cables may occur without the special tool Aluminum Plate Touch Board Cable GND L1 L2 Ground Caution A special tool is required when removing the connections marked with an from the circuit boards See LINbus Connectors Damage to the circuit boards or wiring harnesses may occur without utilizing the special to...

Page 35: ...he product Improper installation delivery or maintenance Failure of the product if it is abused misused or used for other than the intended purpose or used commercially Damage to the glass cooktop caused by use of cleaners other than the recommended cleaning creams and pads Damage to the glass cooktop caused by hardened spills of sugary materials or melted plastic that are not cleaned according to...

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