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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

Model ZHU30 and PHP900

CAUTION: *A special tool
is required when removing
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 tool.

Summary of Contents for Profile PHP900

Page 1: ...onogram 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 X...

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 chec...

Page 3: ...rtop 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...

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 eleme...

Page 5: ...ontrol 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...

Page 6: ...gnet 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...

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 Model...

Page 8: ...eatures 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 O...

Page 9: ...ing 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 al...

Page 10: ...ith 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 w...

Page 11: ...d 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 pa...

Page 12: ...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 w...

Page 13: ...endent 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...

Page 14: ...hen 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...

Page 15: ...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...

Page 16: ...enerator 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...

Page 17: ...rness 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 Si...

Page 18: ...enerator 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 Thu...

Page 19: ...e 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 Cu...

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: ...y 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...

Page 22: ...bly 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...

Page 23: ...vity 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 h...

Page 24: ...ass 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 m...

Page 25: ...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 thi...

Page 26: ...ect 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...

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...

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...

Page 29: ...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...

Page 30: ...n 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 oh...

Page 31: ...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 Diagno...

Page 32: ...cted 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 Ch...

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 sho...

Page 34: ...ng 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...

Page 35: ...e 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 caus...

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