Before you call for service…

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

Refrigerator does not	Refrigerator in defrost cycle.	• Wait about 30 minutes for defrost cycle to end.
operate
operate	Either or both controls set	• Set the controls to a temperature setting.
	Either or both controls set	• Set the controls to a temperature setting.
	to 0 (off).

	Refrigerator is unplugged.	• Push the plug completely into the outlet.

	The fuse is blown/circuit	•Replace fuse or reset the breaker.
	breaker is tripped.

	The refrigerator is in	•Unplug the refrigerator and plug it back in.
	showroom mode.

Vibration or rattling	Rollers need adjusting.	•See Rollers.
(slight vibration
is normal)

Motor operates for long periods or cycles on and off frequently. (Modern refrigerators with more storage space and a larger freezer require more operating time. They start and stop often to maintain

even temperatures.)

Normal when refrigerator	• Wait 24 hours for the refrigerator to completely
is first plugged in.	cool down.

Often occurs when large	• This is normal.
amounts of food are
placed in refrigerator.

Door left open.	• Check to see if package is holding door open.

Hot weather or frequent	• This is normal.
door openings.

Temperature controls set	• See About the controls.
at the coldest setting.

Refrigerator or freezer	Temperature control not set	• See About the controls.
compartment too warm	cold enough.

	Warm weather or frequent	• Set the temperature control one step colder.
	door openings.	See About the controls.

	Door left open.	•Check to see if package is holding door open.

Frost or ice crystals	Door left open.	• Check to see if package is holding door open.
on frozen food
on frozen food	Too frequent or too long
(frost within package	Too frequent or too long
(frost within package	door openings.
is normal)	door openings.
is normal)

Divider between	Automatic energy saver	•This helps prevent condensation on the outside.
refrigerator and freezer	system circulates warm
compartments	liquid around front edge
feels warm	of freezer compartment.

Automatic icemaker	Icemaker power switch	• Set the power switch to the on position.
does not work	is in the off position.

	Water supply turned off or	• See Installing the water line.
	not connected.

	Freezer compartment too warm.	• Wait 24 hours for the refrigerator to completely cool down.

	Piled up cubes in the storage	•Level cubes by hand.
	bin cause the icemaker
	to shut off.

Ice cubes stuck in icemaker. (Green power light on icemaker blinking).

•Turn off the icemaker, remove cubes and turn the icemaker back on.

21, 23, 25, 27, 29 specifications

The GE 21, 23, 25, 27, and 29 series of locomotives represent a significant evolution in diesel-electric technology, showcasing General Electric's commitment to innovation and performance in the rail industry. These models, produced from the late 20th century to the early 21st century, are designed to meet a variety of operational needs.

The GE 21, introduced in the early 1990s, was notable for its efficiency and reliability. It utilized a 12-cylinder engine coupled with GE's innovative software systems, allowing for enhanced fuel economy and lower emissions. The locomotive's modular design enabled easy maintenance, which was a significant advantage for rail operators looking to minimize downtime.

Moving to the GE 23, this model offered increased power and improved traction systems, reflecting the industry's demand for stronger and faster trains. With an upgraded traction control system, the GE 23 provided better performance on challenging grades and under various load conditions. Its spacious cab and ergonomic controls also emphasized operator comfort and productivity.

The GE 25 built upon the successes of its predecessors, featuring advanced microprocessor controls and a more robust engine. This model was designed with higher horsepower, making it suitable for heavy freight operations. The GE 25’s aerodynamic design reduced drag, enhancing fuel efficiency during long hauls. Additionally, the locomotive included state-of-the-art diagnostic systems, allowing for real-time monitoring of performance metrics.

In the evolution of these series, the GE 27 introduced even more technological advancements, including improved lightweight materials and enhanced safety features. This model could accommodate various cargo types and was compatible with modern signaling systems, making it versatile for different rail networks. The GE 27 was designed with sustainability in mind, further reducing emissions and adhering to stricter environmental regulations.

Finally, the GE 29 series marked a major leap forward with the integration of cutting-edge digital technology. These locomotives featured predictive maintenance capabilities, allowing operators to foresee potential mechanical issues before they resulted in failures. The GE 29 series also placed a strong emphasis on energy efficiency, incorporating regenerative braking systems that harness energy during braking for reuse.

Overall, the GE 21, 23, 25, 27, and 29 locomotives reflect General Electric’s ability to innovate continually, combining power, efficiency, and advanced technology to meet the changing demands of the rail industry. Each model brought unique features and improvements, ultimately enhancing the performance and reliability of rail freight services.

GE 21, 23, 25, 27, 29 Before you call for service…, Problem Possible Causes What To Do

Models: 21, 23, 25, 27, 29