Before you call for service…www.GEAppliances.com

Troubleshooting Tips

Save time and money! Review the charts on the following pages first and you may not need to call for service.

Problem

 

Possible Causes

What To Do

 

 

 

 

 

Surface units will not

 

Improper cookware

Use pans which are absolutely flat and match

maintain a rolling boil

 

being used.

the diameter of the surface unit selected.

or cooking is slow

 

 

 

 

 

 

 

 

 

Surface units do

 

A fuse in your home may be

Replace the fuse or reset the circuit breaker.

not work properly

 

blown or the circuit breaker

 

 

 

tripped.

 

 

 

 

 

 

 

 

Cooktop controls

Check to see the correct control is set for the surface

 

 

improperly set.

unit you are using.

 

 

 

 

 

Scratches (may appear

 

Incorrect cleaning

Scratches are not removable. Tiny scratches will become

as cracks) on cooktop

 

methods being used.

less visible in time as a result of cleaning.

glass surface

 

 

 

 

 

Cookware with rough bottoms

To avoid scratches, use the recommended cleaning

 

 

 

 

being used or coarse particles

procedures. Make sure bottoms of cookware are clean

 

 

(salt or sand) were between

before use, and use cookware with smooth bottoms.

 

 

the cookware and the surface

 

 

 

of the cooktop.

 

 

 

Cookware has been slid

 

 

 

across the cooktop surface.

 

 

 

 

 

Areas of discoloration

 

Food spillovers not cleaned

See the Cleaning the glass cooktop section.

on the cooktop

 

before next use.

 

 

 

 

 

 

 

Hot surface on a model

This is normal. The surface may appear discolored

 

 

with a light-colored glass

when it is hot. This is temporary and will disappear

 

 

cooktop.

as the glass cools.

 

 

 

 

Plastic melted to

 

Hot cooktop came into

See the Glass surface – potential for permanent damage

the surface

 

contact with plastic placed

section in the Cleaning the glass cooktop section.

 

 

on the hot cooktop.

 

 

 

 

 

Pitting (or indentation)

 

Hot sugar mixture spilled

Call a qualified technician for replacement.

of the cooktop

 

on the cooktop.

 

 

 

 

 

Frequent cycling

 

Improper cookware

Use only flat cookware to minimize cycling.

off and on of

 

being used.

 

surface units

 

 

 

 

 

 

 

 

Cooktop feels hot

 

Improper cookware

The glass cooktop surface may seem hotter than you

 

 

being used.

are used to. This is normal. Use pans which are

 

 

 

 

absolutely flat.

 

 

 

 

Unresponsive keypad

 

Keypad is contaminated.

Clean the keypad.

 

 

 

 

Pan detection/sizing

 

Improper cookware

Use a flat, metallic pan that is 4.0″ or larger.

not working properly

 

being used.

 

 

 

 

 

 

 

Pan is improperly placed.

Make sure the pan is centered on the corresponding

 

 

 

 

surface unit.

15

Safety Instructions Operating Instructions Care and Cleaning Troubleshooting Tips Consumer Support

Page 15
Image 15
GE JP939, JP969 owner manual Problem Possible Causes What To Do

JP939, JP969 specifications

The GE JP969 and JP939 are advanced jet engine variants designed to power the next generation of regional and narrow-body aircraft. With a commitment to enhanced efficiency, reliability, and performance, these engines incorporate cutting-edge technologies that significantly improve the overall flying experience while meeting stringent environmental regulations.

One of the defining features of the JP969 and JP939 is their high bypass ratio, which not only optimizes fuel efficiency but also minimizes noise pollution. By maximizing the amount of air that flows around the engine core, these engines achieve a perfect balance between thrust and environmental sustainability. This characteristic is essential for modern aviation as airlines seek to reduce their carbon footprints while maintaining operational efficiency.

Incorporating advanced materials technology, both the JP969 and JP939 benefit from lightweight composite fan blades and advanced alloys that can withstand extreme temperatures. This not only enhances the engines' durability but also contributes to their ability to maintain performance at high altitudes and during diverse operating conditions.

The engine control systems of the JP969 and JP939 are equipped with sophisticated digital engine control technology, enabling real-time monitoring and adjustments to optimize performance. This system enhances the operational flexibility of the engines, allowing them to adapt to varying flight profiles without compromising on efficiency or reliability.

Another key characteristic of these engines is their maintenance-friendly design. With an emphasis on reducing downtime, the JP969 and JP939 allow for easier access to critical components, thereby streamlining maintenance procedures. This feature is crucial for airlines aiming to maximize fleet availability and reduce operational costs.

Moreover, both engines incorporate state-of-the-art aerodynamics, with intricately designed fan blades and internal airflow paths that reduce drag and enhance overall performance. The thoughtful engineering behind these designs not only improves thrust but also contributes to reduced fuel consumption, making the JP969 and JP939 highly appealing for modern operators.

In conclusion, the GE JP969 and JP939 embody an impressive blend of efficiency, reliability, and advanced technology. Their high bypass ratio, innovative materials, sophisticated control systems, maintenance-friendly design, and aerodynamically optimized structures make them ideal choices for airlines looking to enhance their fleet's performance while adhering to environmental and operational standards. As aviation continues to evolve, these engines represent a significant leap forward in the pursuit of sustainable and efficient air travel.