GE PFDN445, PFDS450, PFDN440, PFMN445 Before you call for service…, Possible Causes What To Do

Models: PFMS455 PFMS450 PFDN445 PFDN440 PFDS450 PFDS455 PFMN445 PFMN440

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Before you call for service…

Troubleshooting Tips

Save time and money! Review the charts on the following pages, or visit GEAppliances.com. You may not need to call for service.

PROBLEM

Possible Causes

What To Do

 

 

 

Dryer shakes or

Some shaking/noise is normal.

• Move dryer to an even floor space, or adjust leveling legs

makes noise

Dryer may be sitting unevenly

as necessary until even.

 

 

 

Clothes take too long

Improper or obstructed ducting

• Check the Installation Instructions to make sure the

to dry

 

dryer venting is correct.

 

 

• Make sure ducting is clean, free of kinks and

 

 

unobstructed.

 

 

• Check to see if outside wall damper operates easily.

 

 

 

 

Improper sorting

• Separate heavy items from lightweight items (generally,

 

 

a well-sorted washer load is a well-sorted dryer load).

Large loads of heavy fabrics (like beach towels)

Large, heavy fabrics contain more moisture and take longer to dry. Separate large, heavy fabrics into smaller loads to speed drying time.

 

Controls improperly set

• Match control settings to the load you are drying.

 

 

 

 

Lint filter is full

• Clean lint filter before every load.

 

 

 

 

Blown fuses or tripped circuit

• Replace fuses or reset circuit breakers. Since most

 

breaker

dryers use 2 fuses/breakers, make sure both are

 

 

operating.

 

 

 

 

Overloading/combining loads

• Do not put more than one washer load in the dryer at

 

 

a time.

 

 

 

 

Underloading

• If you are drying only one or two items, add a few items

 

 

to ensure proper tumbling.

 

 

 

The DRY dryness level

Load consists of a mixture

• When combining heavy and light fabrics in a load,

was chosen but load is

of heavy and light fabrics

choose MORE DRY.

still damp

 

 

 

 

 

 

Exhaust system is blocked

• Inspect and clean exhaust system.

 

 

 

Control pads not

Controls accidentally put in

• Press START/PAUSE.

responding

service mode

 

 

 

 

 

Controls accidentally put in

• Hold the LOCK button for 3 seconds to unlock the dryer.

 

lock mode

 

 

 

 

 

Controls performed an

• Reset the in-house breaker.

 

incorrect operation

 

 

 

 

Dryer doesn’t start

Control panel is “asleep”

• This is normal. Press POWER to activate the control panel.

 

 

 

 

Dryer is unplugged

• Make sure the dryer plug is pushed completely into

 

 

the outlet.

 

 

 

 

Fuse is blown/circuit breaker

• Check the building’s fuse/circuit breaker box and

 

is tripped

replace fuse or reset breaker. NOTE: Electric dryers

 

 

use two fuses or breakers.

 

 

 

 

Dryer was accidentally paused

• If the light on the START/PAUSE button is flashing,

 

when starting Delay Start

the dryer is paused. Press START/PAUSE to restart

 

 

the countdown.

 

 

 

No numbers displayed

Dryer is continuously

• This is normal. When the dryer senses a low level of

during cycle, only lights

monitoring the amount of

moisture in the load, the dryer will display the dry time

 

moisture in the clothes

remaining.

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GE PFDN445, PFDS450, PFDN440, PFMN445, PFDS455, PFMS450, PFMN440 Before you call for service…, Possible Causes What To Do

PFMS455, PFMS450, PFDN445, PFDN440, PFDS450 specifications

The GE PFMN440, PFMN445, PFDS455, PFDS450, and PFDN440 are part of GE’s innovative family of radio frequency (RF) power transistors designed for various commercial and industrial applications. These devices are renowned for their efficient performance, providing a blend of high power output and reliability, ideal for telecommunications, broadcasting, and other RF applications.

The GE PFMN440 and PFMN445 are members of the RF transistor family that offer robust performance in high-frequency applications. The PFMN440 is particularly noted for its outstanding linearity and power gain, which makes it suitable for use in RF amplifiers and transmitters. Its compact package and advanced thermal management design enable efficient heat dissipation, which is critical in maintaining performance under load. The PFMN445, with a higher power rating, amplifies these characteristics, supporting greater output levels while maintaining linearity, resulting in clearer signal output.

The PFDS455 and PFDS450, on the other hand, are optimized for industrial applications with features that emphasize durability and efficiency. The PFDS455 stands out for its ability to handle higher voltages and currents, making it an excellent choice for applications that require resilience against overloads. The device's superior thermal stability ensures that it performs consistently across a range of operational environments. The PFDS450 shares many of these attributes but is tailored for applications requiring a slightly lower output, making it versatile for different RF circuit designs.

The PFDN440 is designed with specialized technologies that enhance its functionality in digital and mixed-signal environments. It integrates advanced semiconductor materials which reduce power consumption and improve efficiency without compromising performance. This device is particularly useful in applications that demand high-speed operation and reliability, making it a preferred choice for modern communication systems.

All these transistors utilize state-of-the-art manufacturing processes, including advanced doping techniques and epitaxial growth, which contribute to their excellent electrical characteristics. Their high thermal conductivity, high breakdown voltage, and wide frequency response range make these devices suitable for both commercial and specialized applications.

Overall, GE's PFMN440, PFMN445, PFDS455, PFDS450, and PFDN440 transistors are emblematic of modern RF technology, combining power, efficiency, and reliability to cater to a wide spectrum of RF applications.