Jenn-Air JGD8348CDP User Manual (English)

Other manuals for Jenn-Air JGD8348CDP

Questions and Answers:

G
Gregory BatesJul 31, 2025
What to do if my Jenn-Air JGD8348CDP burner won't ignite?
- A
  Anthony EvansJul 31, 2025
  If your Jenn-Air cooktop burner won't ignite and there's no spark when you turn the knob to 'LITE,' start by verifying that the cooktop is receiving 120 VAC from the wall outlet. Then, check the micro switch contacts and inspect the wiring against the wiring diagram, ensuring all connections are tight. Also, make sure the burner electrode and cap are clean. If these steps don't resolve the issue, you may need to test or replace the spark module or replace a cracked or broken electrode, electrode wire, or electrode socket.
C
Christina HodgeAug 6, 2025
Why won't my Jenn-Air JGD8348CDP Cooktop burners ignite?
- K
  Keith ParrishAug 6, 2025
  If the burners on your Jenn-Air cooktop won't ignite and there's no spark, the issue might be due to a poor ground on the burner cap, a weak or failed spark module, or low gas pressure. Try cleaning the burner cap. If that doesn't work, have the spark module replaced or verify the gas pressure: it should be 5” WCP for natural gas and 10” WCP for LP gas.
J
Jessica LongAug 15, 2025
How to fix a Jenn-Air JGD8348CDP with no spark at the ignitor?
- T
  Tyler WalkerAug 15, 2025
  If you're experiencing no spark or random sparks at one ignitor on your Jenn-Air cooktop, the issue could stem from several causes. Start by checking for a cracked ignitor or pinched ignitor wire, and replace the ignitor lead or electrode if necessary. Also, ensure there's good continuity to the burner cap by cleaning both the cap and lead. Finally, verify the ground connection is tight and correct any breaks in the ground path from the ignitor to the unit ground.
K
Kimberly SmithAug 22, 2025
What to do if Jenn-Air Cooktop keeps sparking after being turned off?
- R
  Richard TateAug 22, 2025
  If your Jenn-Air cooktop continues to spark even after the knob is in the OFF position, it could be due to a shorted valve switch or harness, or the switch might have slipped off the valve. Try carefully repositioning the switch on the valve, rotating it from OFF to high several times to ensure it's not broken. If that doesn't solve the problem, consider replacing the switch or harness. Note: If excessive spillovers caused the sparking, customer education is advised.

Jenn-Air JGD8348CDP Specifications

General

Brand	Jenn-Air
Model Number	JGD8348CDP
Product Type	Cooktop
Fuel Type	Gas
Number of Burners	4
Burner Type	Sealed
Ignition Type	Electronic
Surface Material	Stainless Steel
Material	Stainless Steel
Control Type	Knobs
Color	Stainless Steel
Width	30 in
Depth	21 inches
Gas Type	Natural Gas
Burner Input (BTU)	18000

Summary

Safety Information

Safety Practices for Servicer

Guidelines for technicians to ensure safe service procedures and appliance operation.

Servicing

General precautions and safety practices for service technicians during appliance repair.

Gas Connection

Requirements and safety precautions for connecting the gas supply to the cooktop.

Electrical Requirements

Specifications for the electrical supply needed for the cooktop's operation.

Electrical Connections

Guidelines for proper electrical connections, including grounding and wiring.

Product Safety Devices

Description of safety features engineered into the product for consumer and servicer protection.

General Information

Grounding

Importance of proper grounding for personal safety and how to ensure it.

Troubleshooting Procedures

Burners will not ignite; no spark at top burner.

Common causes and corrections for ignition issues with top burners.

Burner will not ignite. No spark to burner ignitors when burner knob is rotated to "LITE" position.

Troubleshooting steps for ignitor issues when the knob is set to the 'LITE' position.

No spark or only random spark at one ignitor.

Diagnosing and fixing issues with intermittent or absent sparks at ignitors.

Unit continues to spark after knob is turned to OFF position.

Addressing the problem of the ignitor continuously sparking after the control is turned off.

No gas flows to burner.

Identifying causes and solutions for burners not receiving gas.

Fan motor does not operate.

Troubleshooting steps for a non-operational fan motor, checking power and connections.

Component Testing Procedures

Burner valve, top, 360° JGD8348CDP

Procedure for testing the 360° burner valve on the JGD8348CDP model.

Burner valve, left and right, 360° JGD8348CDP

Testing procedure for the left and right 360° burner valves on the JGD8348CDP.

Snap switch JGD8348CDP

Testing procedure for the snap switch component on the JGD8348CDP.

Dreefs spark switch JGD8348CDP

Testing procedure for the Dreefs spark switch on the JGD8348CDP.

Burner ignition electrode JGD8348CDP

Procedure for testing the burner ignition electrode on the JGD8348CDP.

Sealed surface burner JGD8348CDP, JGC8430BD*, JGC8645BDS

Testing the sealed surface burner for specific models.

Spark module 2+0 JGD8348CDP

Testing procedure for the 2+0 spark module on the JGD8348CDP.

Spark module 4+0 JGD8348CDP

Testing procedure for the 4+0 spark module on the JGD8348CDP.

Blower motor assembly JGD8348CDP

Procedure for testing the blower motor assembly on the JGD8348CDP.

Rotary switch JGD8348CDP

Venturi, front (short) JGD8348CDP

Venturi, rear (long) JGD8348CDP

Tube, front (short) JGD8348CDP

Tube, rear (long) JGD8348CDP

E-burner grill assembly JGD8348CDP

E-burner ignitor JGD8348CDP

Pressure regulator All

270° Switch JGCP430ADP, JGCP636ADP, JGCP648ADP

Valve switch JGCP430ADP, JGCP636ADP, JGCP648ADP

Spark ignition electrode JGCP430ADP, JGCP636ADP, JGCP648ADP

Spark B module JGCP636ADP, JGCP648ADP

Spark module 4+0 JGCP430ADP

Infinite switch JGCP648ADP

Griddle assembly JGCP648ADP

Surface indicator light JGCP648ADP

Power cord 3-wire All

Spark switch JGC8645BDS

Spark switch JGC8430BD*

270° Switch JGC8430BD*, JGC8645BDS

Spark ignition electrode JGC8430BD*, JGC8645BDS

Surface burner JGC8645BDS

Spark B module JGC8645BDS

Spark module 4+0 JGC8430BD*

Disassembly Procedures

Disassembly Procedures for Models Listed • JGC8430BDB/W/Q/S • JGC8645BDS

General procedures for disassembling JGC8430BDB/W/Q/S and JGC8645BDS models.

Spark Module Removal Bottom Access

Disassembly Procedures for Models Listed • JGD8348CDP • JGCP430ADP • JGCP636ADP • JGCP648ADP

General procedures for disassembling JGD8348CDP, JGCP430ADP, JGCP636ADP, JGCP648ADP models.

Main Top Removal

Step-by-step guide to removing the main top of the cooktop.

Spark Module Removal

Surface Ignitor Removal

Burner Switch Removal

Manifold Pipe Removal

Orifice Holder Removal

Burner Tubing Removal

E-Burner Removal

Grease Filter Removal

Blower Removal

Installation Instructions

JGCP430ADP, JGCP636ADP, JGCP648ADP

Specific installation instructions for JGCP430ADP, JGCP636ADP, and JGCP648ADP models.

JGD8348CDP

Specific installation instructions for the JGD8348CDP model.

Ducting Instructions JGD8348CDP

JGC8430BD*

Installation dimensions and instructions for the JGC8430BD* model.

JGC8645BDS

Installation dimensions and instructions for the JGC8645BDS model.

Care and Cleaning

CLEANING PROCEDURES

General procedures for cleaning the cooktop and its components.

STAINLESS Steel

GRILL ASSEMBLY

GRATES - CAST ALUMINUM

GRILL BURNER

GREASE DRAIN JAR

LP/Natural Gas Conversion

Converting from Natural Gas to L.P. Gas

Steps for converting the cooktop from natural gas to LP gas.

Converting the Burner Orifice Spuds

Detailed procedure for replacing burner orifice spuds for gas conversion.

Converting Pressure Regulator for LP/Propane

Instructions for adjusting the pressure regulator for LP gas use.

Low Flame Adjustment

Related product manuals

Jenn-Air JGD8348CDP User Manual

Table of Contents

Other manuals for Jenn-Air JGD8348CDP

Questions and Answers:

Jenn-Air JGD8348CDP Specifications

Summary

Safety Information

Safety Practices for Servicer

Servicing

Gas Connection

Electrical Requirements

Electrical Connections

Product Safety Devices

General Information

Grounding

Troubleshooting Procedures

Burners will not ignite; no spark at top burner.

Burner will not ignite. No spark to burner ignitors when burner knob is rotated to "LITE" position.

No spark or only random spark at one ignitor.

Unit continues to spark after knob is turned to OFF position.

No gas flows to burner.

Fan motor does not operate.

Component Testing Procedures

Burner valve, top, 360° JGD8348CDP

Burner valve, left and right, 360° JGD8348CDP

Snap switch JGD8348CDP

Dreefs spark switch JGD8348CDP

Burner ignition electrode JGD8348CDP

Sealed surface burner JGD8348CDP, JGC8430BD*, JGC8645BDS

Spark module 2+0 JGD8348CDP

Spark module 4+0 JGD8348CDP

Blower motor assembly JGD8348CDP

Rotary switch JGD8348CDP

Venturi, front (short) JGD8348CDP

Venturi, rear (long) JGD8348CDP

Tube, front (short) JGD8348CDP

Tube, rear (long) JGD8348CDP

E-burner grill assembly JGD8348CDP

E-burner ignitor JGD8348CDP

Pressure regulator All

270° Switch JGCP430ADP, JGCP636ADP, JGCP648ADP

Valve switch JGCP430ADP, JGCP636ADP, JGCP648ADP

Spark ignition electrode JGCP430ADP, JGCP636ADP, JGCP648ADP

Spark B module JGCP636ADP, JGCP648ADP

Spark module 4+0 JGCP430ADP

Infinite switch JGCP648ADP

Griddle assembly JGCP648ADP

Surface indicator light JGCP648ADP

Power cord 3-wire All

Spark switch JGC8645BDS

Spark switch JGC8430BD*

270° Switch JGC8430BD*, JGC8645BDS

Spark ignition electrode JGC8430BD*, JGC8645BDS

Surface burner JGC8645BDS

Spark B module JGC8645BDS

Spark module 4+0 JGC8430BD*

Disassembly Procedures

Disassembly Procedures for Models Listed • JGC8430BDB/W/Q/S • JGC8645BDS

Spark Module Removal Bottom Access

Disassembly Procedures for Models Listed • JGD8348CDP • JGCP430ADP • JGCP636ADP • JGCP648ADP

Main Top Removal

Spark Module Removal

Surface Ignitor Removal

Burner Switch Removal

Manifold Pipe Removal

Orifice Holder Removal

Burner Tubing Removal

E-Burner Removal

Grease Filter Removal

Blower Removal

Installation Instructions

JGCP430ADP, JGCP636ADP, JGCP648ADP

JGD8348CDP

Ducting Instructions JGD8348CDP

JGC8430BD*

JGC8645BDS

Care and Cleaning

CLEANING PROCEDURES

STAINLESS Steel

GRILL ASSEMBLY