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GE JP989 Series Technical Service Manual Download Page 18

– 16 –

Step 8 – Installing the Cooktop

Place the vent grille in position on the glass top
vent opening. Remove the tape holding the card-
board base to the bottom of your cooktop.

Caution: Do not use the glass top vent opening to
lift or move the cooktop into position.

Using two people, lift the cooktop by the glass side
edges as shown. Remove the cardboard base.

Lower the cooktop into the countertop opening,
guiding it into position until the glass is approxi-
mately 1/2-in. above the countertop surface.

Carefully remove your fingers one corner at a time
to lower the cooktop into position.

Note: Do not use Silicone RTV or caulk to bond
cooktop glass to countertop.

GEA00208

Step 9 – Checking for Flatness

Inspect the cooktop glass for rocking or uneven
gap on all four sides at the countertop surface. Do
not attempt to force the glass to meet the
countertop.

Note: If the cooktop edge is perfectly flat with the
countertop surface, skip to Step 10.

If there is rocking or an uneven gap, use a 1/4-in.
nut driver to loosen the 18 sheet metal screws on
the bottom panels of the cooktop while it is still in
the countertop.

Loosen each bottom panel screw 1 or 2 turns.
After all 18 screws are loosened, recheck the
cooktop for flatness with the countertop surface.

Gently bump your hand along the outside edge of
the cooktop if needed to help the edge settle
evenly onto the countertop surface.

Retighten all 18 sheet metal screws.

Grounding Specifications:

Ground Path Resistance:  0.10 Ohm Max.

Insulation Resistance:   250K Ohm Min.

Cooktop Installation

CAUTION: 

DO NOT LIFT

FROM VENT

OPENING

GEA00311

Check for
uneven gaps

GEA00209

Loosen
screws 

1-2 turns

Loosen
screws 
1-2 turns

GEA00210

Summary of Contents for JP989 Series

Page 1: ...C PUB 31 9055 06 00 MODEL SERIES TECHNICAL SERVICE GUIDE GE Consumer ServiceTraining Radiant Downdraft Cooktop JP989 ...

Page 2: ...d personal injury disconnect power before servicing this prod uct 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 positions and p...

Page 3: ...l Installation 18 Removal and Replacement 20 Control Assembly Servicing 20 Blower Assembly Replacement 20 Capacitor Replacement 21 HOT Light Replacement 21 Glass Cooktop Removal from Countertop 22 Heater Replacement 24 Broken Glass Replacement 25 Reinstalling Glass Cooktop 27 Rocking or Uneven Glass in Countertop 28 Illustrated Parts Breakdown 30 Troubleshooting Information 32 Schematics and Strip...

Page 4: ...rface unit 12 Bridge Select 13 Vent Fan Speed Control 14 Coil Size Select 15 Right Side HOT Surface Indicator Lights one for each surface unit 16 Dual Surface Unit Control 17 Right Rear Surface Unit Control 18 Surface Unit ON Indicator Light Throughout this manual features and appearance may vary from the customer s model ON OFF 5 2 3 4 9 6 7 8 1 HI L O OFF 5 2 3 4 9 6 7 8 1 HI L O OFF 5 2 3 4 9 6...

Page 5: ...r circle To use the small 6 in surface unit turn the COIL SIZE knob counterclockwise to the 10 o clock position Push the control knob in and turn it to the desired setting The unit will only heat the area inside the smaller circle Bridge Surface Unit Make sure the pan rests flat on the glass cooktop When the burner select knob points to the 12 o clock position the control knob controls the left fr...

Page 6: ...hot The temperature limiter may cycle the units off for a time if The cooktop is on while cooking The pan boils dry The pan bottom is not flat The pan is off center There is no pan on the unit How to Operate the Vent System To operate the downdraft vent system turn the vent fan speed control knob to HI MED or LO as needed OFF MED HI LO GEA00186 ...

Page 7: ...gar Window cleaner may leave an iridescent film on the cooktop The cleaning cream will remove this discolora tion Daily Cleaning WARNING Be sure electrical power is off and all sur faces are cool before cleaning any part of the cooktop Use only a recommended cleaning cream such as the Cerama Brite brand or the Cooktop Cleaning Cream brand on the glass cooktop To maintain and protect the surface of...

Page 8: ...ssary to press down on the razor scraper while scraping the soiled area with cooktop cream 5 If any soil remains repeat the steps listed above To order more cream and or scrapers for cleaning the glass cooktop please call our toll free number National Parts Center 800 626 2002 Cleaner WX10X300 Scraper WX5X1614 Cream Scraper Kit WB64X5027 Special Care for Sugary Spills Caution Be sure to use a new ...

Page 9: ...k Use dishwashing liquid for cleaning Do not use abrasive cleaners they will damage the vent grille s finish Do not clean the vent grille in the dishwasher To clean the vent chamber use hot soapy water Do not use abrasive cleaners they will damage the vent chamber s finish Vent Filter Caution Do not operate the vent without the filter in place The filter is held in place with a metal latch Move th...

Page 10: ...ch circuit protected by a 40 amp circuit breaker or time delay fuse All wire connections must be made in accordance with local codes and properly insulated Check with your local utility for governing electrical codes and ordinances In the absence of local electrical codes the National Electrical Code ANSI NFPA No 70 Latest Edition governing electric range installations must be followed A copy of t...

Page 11: ...rent and ductwork affects blower output accordingly Actual blower exhaust CFM can be approximated using the graph below Step 1 Calculate the equivalent duct length using Table 1 on page 13 of these instructions for your installation Step 2 Find the approximate intersection point of the blower exhaust performance curve with the equivalent duct length to estimate the actual maximum blower output for...

Page 12: ...npacking Cooktop Blower Discharge Transition Duct Hold down Retainers and Screws Vent Grille Cleaning Cream Cleaning Scraper Sheet Metal Screws Note Leave the cooktop resting on the cardboard sleeve until ready to install in the cabinet CAUTION DO NOT LIFT FROM VENT OPENING Foam Gasket Tape CAUTION GLASS IS FRAGILE DO NOT BUMP EDGE OF GLASS DURING INSTALLATION GEA00304 Packed in Cardboard Sleeve ...

Page 13: ...uctions packed with that appliance A 15 in minimum must be kept from the side edge of cooktop to the bottom of any cabinet not directly above cooktop If clearance is less than 15 in adjacent cabinets should be at least 6 in from side edges of cooktop Step 2 Preparing the Base Cabinet This cooktop is designed to fit easily into a variety of cabinets However some cabinets may require modifications P...

Page 14: ...ible ducting is discour aged because it can cause severely restricted airflow However if the blower outlet and the floor or wall duct location do not align well then flexible metal ducting can be used to adapt to an offset Good alignment without use of flexible ducting is best Note Do not exceed the maximum recommended offset of 6 in Do not allow the flexible ducting to kink or collapse Do stretch...

Page 15: ...he duct run should not exceed 100 ft equivalent length Venting performance is improved by using larger diameter duct Equivalent Number Equivalent Duct Pieces Length x Used Length 6 round to 31 4 x 10 transition 90 elbow 20 ft x ft 31 4 x 10 to 6 round transition 5 ft x ft 31 4 x 10 to 6 round transition 90 elbow 12 ft x ft 6 round wall cap with damper 21 ft x ft 31 4 x 10 wall cap with damper 27 f...

Page 16: ...00 ft Use Table 1 to calculate the total equivalent length of the ductwork Optional Installation Rear Wall Venting Rear wall venting requires a special offset duct adapter JXRW89 that is not included with your cooktop This adapter has a 5 in diameter outlet for rear wall and retrofit installations A 5 in round duct may be used on short duct runs of 3 ft or less such as direct to outside wall venti...

Page 17: ...am Gasket Installation Notes The foam gasket tape should be installed within 1 8 in of the edge of the glass Do not stretch or twist the foam gasket tape Use care not to stretch the foam gasket tape while it is installed or it will not stay in place Do not place foam gasket tape over the four metal mounting brackets Butt the foam gasket tape ends together at each corner without overlapping Trim th...

Page 18: ...ng or uneven gap on all four sides at the countertop surface Do not attempt to force the glass to meet the countertop Note If the cooktop edge is perfectly flat with the countertop surface skip to Step 10 If there is rocking or an uneven gap use a 1 4 in nut driver to loosen the 18 sheet metal screws on the bottom panels of the cooktop while it is still in the countertop Loosen each bottom panel s...

Page 19: ...tion duct to the blower outlet with the 3 sheet metal screws that are provided Step 12 Connecting the Ductwork Connect the ductwork prepared in Steps 5 and 6 to the blower transition duct Step 10 Installing the Hold Down Retainers Note Check for glass flatness discussed in Step 9 before installing hold down retainers Secure cooktop to the counter using the side retainers and thumb screws shipped w...

Page 20: ...uge and the temperature rating of the insulation around the wire Aluminum Wiring WARNING Improper connection of aluminum house wiring to the copper leads can result in serious problems Attach copper wires to aluminum wiring using special connectors designed and U L listed for joining copper to aluminum Follow the connector manufacturer s recommended procedure closely Service Loop Leave a loop in t...

Page 21: ... Separate the green and white leads of the cooktop Connect the cooktop s white lead to the power supply and branch circuit neutral leads which are white or gray Ground the unit by connecting the green conductor of the cooktop to the bare or green leads of the power supply and branch circuit ground leads 3 Conductor Branch Circuit Branch Circuit Power Supply Leads Cooktop Power Leads Red Red Red Wh...

Page 22: ... blower connector inside 3 Remove 3 screws that hold the component plate to the cooktop The screws are above the wiring with 2 toward the front and 1 toward the rear Caution Save and replace with the exact screws to prevent glass breakage 8 18 x 1 4 in 4 Unplug the 2 red and 2 white connector housings 5 Lower the control assembly and rotate the front side down to remove Blower Assembly Replacement...

Page 23: ... Carefully discharge both capacitor wire harness terminals as described above Note Record wire harness connections 4 Disconnect terminals using needle nose pliers and reconnect in same orientation on new capacitor 5 Firmly snap new capacitor shell casing into motor bracket cap 6 Replace plastic spacer if so equipped and guard around capacitor HOT Light Replacement Note HOT lights can be removed fr...

Page 24: ...cooktop for safe removal from countertop Do not remove wires from access cover 4 Protect the counter with two strips of wood or card board as shown 5 Reach up from inside the cabinet and push upward on the burner box bottom enough to shim with protective wood or a cardboard piece under one end Repeat for the other end Caution Screws on the bottom of the burner box can scratch the countertop surfac...

Page 25: ...h the heater side of the connectors through the sidewall slot openings 2 red connectors go to the right and 2 white connectors to the left 15 Have a 1 4 in nut driver ready then tilt the glass and metal subplate assembly up to a fully vertical posi tion and remove 2 screws from the bottom of the center control panel plate Caution Save and replace with the exact screws to prevent glass breakage 8 1...

Page 26: ...e This is to prevent glass breakage while replacing heaters Caution Only about 2 3 of the glass is resting on the table Do not push down on the front 1 3 without sup porting the front of the glass with your hand Do not force the glass assembly forward as it will damage the Left Rear and Right Rear infinite switch grommets 20 Remove the heater s hairpin cotter clips and springs from the defective h...

Page 27: ...light terminals 2 and 4 Note The glass cooktop should be serviced by remov ing the entire cooktop from the countertop opening The glass and metal subplate are sealed together and are replaced as an assembly 1 Carefully open one end of the package containing the replacement glass cooktop then slide out the glass and protective styrofoam packaging Save a packet of 1 4 in wide foam gasket tape for St...

Page 28: ...lights intact and transfer to the new glass Make sure the metal locating tabs do not go inside the metal heater can during assembly 24 Lift out the 6 in and dual heaters together with wiring and HOT lights intact and transfer them to the new glass assembly in a similar manner 25 Reinstall all heater springs and cotter hairpin clips 26 Reinstall both left and right HOT light brackets using the spec...

Page 29: ... onto chassis 9 Lift the glass subplate assembly out of the guide slots and gently lower it straight down over the chassis Caution When installing the glass and metal subplate assembly if any of the 12 side screw holes do not line up do not force the top down Look for wires trapped between the cooktop box flanges and the glass subplate Push the wires out of the way trapped wires can cause glass br...

Page 30: ...and HOT light wires Rocking or Uneven Glass in Countertop Caution To avoid glass breakage do not attempt to force the glass to meet the cooktop 1 Inspect all four sides for cooktop glass rocking or uneven gaps at the countertop surface 2 If there is rocking or an uneven gap use a 1 4 in nut driver to loosen 18 sheet metal screws on the burner box bottom panels while the cooktop is in the counterto...

Page 31: ... 29 Notes ...

Page 32: ... 30 Illustrated Parts Breakdown Parts list for Model No JP989 Refer to microfiche for other model information ...

Page 33: ... A L C T I U D N O C 4 1 0 3 X 2 0 B W 1 0 0 0 4 D E E P S 3 M S A R E W O L B 2 7 0 0 1 X 6 2 B W 1 0 0 1 4 R O T I C A P A C R E W O L B 3 6 3 0 1 X 7 2 B W 1 0 0 4 4 N O I T I S N A R T T S U A H X E 4 3 0 0 1 X 8 3 B W 1 0 0 1 5 L B M S A P O T S S A L G C A K 3 6 0 0 1 T 1 6 B W 1 0 0 1 5 E T I H W M S A P O T S S A L G 6 6 0 0 1 T 1 6 B W 1 0 0 1 5 E T I H W E U R T M S A P O T S S A L G 5 6...

Page 34: ...o b r o t l a s s e l c i t r a p e s r a o c e h t n e e w t e b e r e w d n a s f o e c a f r u s e h t d n a e r a w k o o c p o t k o o c e h t e r o f e b n a e l c e r a e r a w k o o c d n a s m o t t o b e r a w k o o c e r u s e B s e h c t a r c s y n i T s m o t t o b h t o o m s h t i w e r a w k o o c e s U e s u s a e m i t n i e l b i s i v s s e l e m o c e b l l i w t u b e l b a ...

Page 35: ...C t e s d e h s u p e b t s u m t i n o i t i s o p F F O e h t n i s i b o n k e h t n e h W r e h t o y n a n i s i b o n k e h t n e h W d e n r u t e b n a c t i e r o f e b n i n i d e h s u p g n i e b t u o h t i w d e n r u t e b n a c t i n o i t i s o p g n i t n e v r o o P r e t l i f d e g g o l C s n o i t c u r t s n i r e p r e t l i f n a e l C t h g i t r i a o o t e s u o H e c ...

Page 36: ... W O V R R H 4 S 2 P1 W N W N N W N W C N Y RED RED NATURAL NATURAL HOT LIT HOT LIT HOT LIT HOT LIT THERMAL LIMITER THERMAL LIMITER H 4 S 2 P1 THERMAL LIMITER BRIDGE 1800W 1800W 800W LR LC LF THERMAL LIMITER H P1 4 2 S H P 1 SINGLE DUAL GEA00220 NOTE FOR SERVICE REPLACEMENT ON ALL LEADS TO RADIANT UNITS USE 16GA 200 C WIRE FOR SERVICE REPLACEMENT ON ALL OTHER LEADS USE 16GA 150 C WIRE EXCEPT AS IN...

Page 37: ...L SW B B C W 12GA R R R R P L1 L2 H2 H1 LR SW 2 1 R H 4 S 2 P1 N W N W N W W Y RED HOT LIT 5 4 RED SU LIT THERMAL LIMITER 1800W LR GEA00222 C R 10GA C B 10GA GND GEA00221 5 4 3 2 1 N R B N R R B W W G G BLO C C C R 10GA W 12GA G 10GA 3 1 4 5 BLO SW 2 COLOR RED BLUE YELLOW BLACK ORANGE GREEN WHITE VIOLET BROWN SYMBOL R N Y B O G W V C GND ...

Page 38: ... LF GEA00224 C R 10GA C B 10GA GND B B C W 12GA R R R R P L1 L2 H2 H1 RR SW 2 1 R H 4 S 2 P1 R W R W N W W Y N Y NATURAL HOT LIT 5 4 NATURAL SU LIT THERMAL LIMITER 1500W SINGLE RR GEA00225 C R 10GA C B 10GA GND B B C W 12GA R R R R P L1 L2 H2 H1 RF SW 2 1 C W W O V C O O NATURAL HOT LIT 1 2 3 NATURAL SU LIT GEA00226 V C R 10GA C B 10GA GND 1000W 1500W RF 4 R W W R 4A W R R THERMAL LIMITER 4 2 S H ...

Page 39: ... limitation of incidental or consequential damages This war ranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your legal rights are consult your local or state consumer affairs office or your state s Attorney General Warrantor General Electric Company Louisville KY 40225 Sales slip or cancelled check is required as proof of origina...

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