Application Engineering

 

 

 

 

B U L L E

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AE8-1385

Table 2 Continued

1.Run capacitor has failed

2.Low line voltage (contact utility if voltage at disconnect is low)

Yellow “ALERT”

Locked Rotor

• Check wiring connections

Flash Code 4

3. Excessive liquid refrigerant in compressor

 

4.Compressor bearings are seized

Measure compressor oil level

1.Evaporator blower is not running

Check blower relay coil and contacts

Check blower motor capacitor

Check blower motor for failure or blockage

Check evaporator blower wiring and connectors

Yellow “ALERT”

Compressor (Moderate Run)

Check indoor blower control board

Flash Code 5

Trip

Check thermostat wiring for open circuit

2.Faulty metering device

Check TXV bulb installation (size, location and contact)

Check if TXV/fixed orifice is stuck closed or defective

3.Condenser coil poor air circulation (dirty, blocked, damaged)

4.Low refrigerant charge

Yellow “ALERT”

Welded Contactor

1.

Compressor contactor has failed closed

Flash Code 8

Compressor always runs

2.

Thermostat demand signal not connected to module

Yellow “ALERT”

Low Supply Voltage

1.

Control Circuit transformer is overloaded

Flash Code 9

Voltage below 18V

2.

Low line voltage (contact utility if voltage at disconnect is low)

“LOCKOUT” Flash Codes

1.Condenser fan is not running

Check fan capacitor

Check fan wiring and connectors

Red “LOCKOUT”

Compressor (Pressure) Trip

• Check fan motor for failure or blockage

Compressor is locked out

2. High head pressure

Flash Code 2

after 4 consecutive or 10 total

• Check high pressure switch if present in system

Yellow Off

compressor (pressure) trip events

• Check if system is overcharged with refrigerant

 

Check for non-condensable in system

3.Condenser coil poor air circulation (dirty, blocked, damaged)

4.Return air duct has substantial leakage

Red “LOCKOUT”

Pressure Switch Cycling

1. Time delay relay or control board defective

Compressor is locked out after 4

Flash Code 3

consecutive or 10 total pressure

2.

If high pressure switch present go to Flash Code 2 information

Yellow Off

cycling events

 

 

 

 

 

 

 

1.

Run capacitor has failed

Red “LOCKOUT”

Locked Rotor

2.

Low line voltage (contact utility if voltage at disconnect is low

 

• Check wiring connections

Flash Code 4

Compressor is locked out after 10

 

3.

Excessive liquid refrigerant in compressor

Yellow Off

consecutive locked rotor events

4.

Compressor bearings are seized

 

 

 

 

 

• Measure compressor oil level

© 2011 Emerson Climate Technologies

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Printed in the U.S.A.

 

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Emerson AE8-1385 Locked Rotor, Compressor Moderate Run, Trip, Welded Contactor, Low Supply Voltage, Lockout Flash Codes

AE8-1385 specifications

The Emerson AE8-1385 is a cutting-edge automation solution designed to enhance operational efficiency and reliability in various industrial applications. This advanced device exemplifies Emerson’s commitment to innovation, boasting features that cater to the demands of modern industries, specifically in process control, monitoring, and data acquisition.

One of the standout features of the AE8-1385 is its robust communication capabilities. It supports multiple communication protocols, including Modbus, Ethernet/IP, and Profibus, allowing it to seamlessly integrate with existing systems and facilitate real-time data exchange. This flexibility ensures that users can connect the AE8-1385 to a wide variety of equipment and software, promoting interoperability across the production environment.

In terms of technology, the AE8-1385 integrates state-of-the-art sensing and actuation methods to provide accurate and reliable measurements. Its advanced signal processing capabilities enhance the clarity of data collected from various sensors, enabling precise control and monitoring of critical processes. The device is engineered with high-quality materials, ensuring durability and performance in harsh industrial settings.

Additionally, the AE8-1385 features a user-friendly interface that simplifies operation and reduces training time for personnel. The intuitive design allows operators to access vital information quickly, making modifications to settings or responding to alarms easier and more efficient. This focus on usability not only enhances productivity but also improves response times in critical situations.

Another essential characteristic of the AE8-1385 is its scalability. It can be deployed in small-scale applications or expanded to support larger, more complex systems as operational requirements evolve. This adaptability makes it a valuable investment for companies looking to future-proof their automation solutions.

The AE8-1385 is also equipped with advanced security features that protect against unauthorized access and data breaches, an essential consideration in today’s increasingly interconnected industrial landscape. This added layer of security ensures that sensitive operational information remains confidential and secure.

In summary, the Emerson AE8-1385 is an innovative automation solution that combines versatile communication capabilities, advanced sensing technology, user-friendly design, scalability, and robust security features. Its integration into industrial processes can lead to enhanced efficiency, improved data management, and increased operational reliability, making it an ideal choice for industries prioritizing modernization and performance.