Honeywell NXL user manual Fault tracing Honeywell, Eeprom

Page 90

9

90(96)

Fault tracing

Honeywell

 

 

 

17

Motor underload/ Pump Dry detection/ Broken belt Detection

Motor underload protection has tripped.

FAN: check that Belt is not broken

PUMP: check that Pump is not dry

 

EEPROM

Parameter save fault

Contact the distributor near to you

22

checksum fault

faulty operation

 

 

 

component failure

 

24

Counter fault

Values displayed on counters are

 

 

 

incorrect

 

25

Microprocessor

faulty operation

Reset the fault and restart.

 

watchdog fault

component failure

Should the fault re-occur, contact the

 

 

 

 

distributor near to you.

 

 

 

 

29

Thermistor fault

The thermistor input of option board has

Check motor cooling and loading

 

 

detected increase of the motor

Check thermistor connection

 

 

temperature

(If thermistor input of the option board is

 

 

 

 

not in use it has to be short circuited)

34

Internal bus

Ambient interference or defective

Should the fault re-occur, contact the

 

communication

hardware

distributor near to you.

 

 

 

 

35

Application fault

Selected application does not function.

Contact the distributor near to you.

 

 

 

 

39

Device removed

Option board removed.

Reset

 

 

Drive removed.

 

40

Device unknown

Unknown option board or drive.

Contact the distributor near to you.

 

 

 

 

 

41

IGBT temperature

IGBT Inverter Bridge overtemperature protection has detected too high a motor current.

Check loading. Check motor size.

44

Device change

Option board changed.

Reset

 

 

Option board has default settings.

 

45

Device added

Option board added.

Reset

50

Analogue input

Current at the analogue input is < 4mA.

Check the current loop circuitry.

 

Iin < 4mA

control cable is broken or loose

 

 

(selected signal

signal source has failed

 

 

range 4 to 20

 

 

 

mA)

 

 

 

 

 

 

51

52

External fault

Keypad communication fault

Digital input fault. Digital input has been

Check the programming and the device

 

programmed as external fault input and

indicated by the external fault

 

this input is active.

information. Check also the cabling of

 

 

this device.

 

The connection between the control

Check keypad connection and possible

 

keypad and the frequency converter is

keypad cable.

 

broken.

 

 

 

 

 

Image 90
Contents NXL Hvac & Compact USER’S Manual Start-up Quick Guide Other NXL Manuals NXL Hvac Application Manual NXL Application Manuals Safety NXL Hvac Basic Speed Control Quick Setup Control KeypadSafety instructions SafetySafety Even if the motor is not running896 Safety Honeywell Earthing and earth fault protection Running the motorGeneral warning Technical criteria EU DirectiveGeneral NXL frequency converter EMC classificationHoneywell EMC classes and market requirements Manufacturers declaration of conformityNX EMC levels Manufacturers address EU Directive 1196Manufacturers name Product name1296 EU Directive Honeywell Receipt of Delivery Receipt of delivery 1396Type designation code NXL Compact Maintenance StorageReceipt of delivery 1596 Warranty Technical Data 1696 Technical data HoneywellIntroduction Technical data 1796         NXL Compact Mains voltage 208 240 V & 380 500 Technical data 1996 Loadability Motor shaft powerNXL Hvac Mains voltage 380 500 2096 Technical data Honeywell Connections Technical data 2196Safety ProtectionsMounting Installation2296 Installation Honeywell NXL Compact MF2 and MF3Installation 23962496 Installation NXL Compact dimensions, MF3Installation 2596 NXL Hvac MF4 MF62696 Installation Honeywell Cooling Type Dimensions mmRemove this screw 2896 Cabling and connections Honeywell Power connectionsCabling and Connections T1 V/T2 W/T3Cabling St environmentCable type 3096 Cabling and connections Honeywell Cable and fuse sizesMounting of cable accessories Cabling and connections 3196Components 3296 Cabling and connections Honeywell Installation instructions Cabling and connections 33963496 Cabling and connections Honeywell Stripping lengths of motor and mains cablesControl cable Installation of cables to NXLCabling and connections 3596 Motor cable Mains cable3696 Cabling and connections Honeywell Brake resistor TerminalsCabling and connections 3796 RFI filterDimensions WxHxD mm Cabling and connections 3996 13. NXL Hvac 03-12, MF44096 Cabling and connections Honeywell Mains cable Motor cableCabling and connections 4196 17. NXL Hvac 38-61, MF6Cable and motor insulation checks Cable installation and the UL standards4296 Cabling and connections Honeywell Frame Tightening torque In-lbsCabling and connections 4396 Control unit NXL Compact MF2 MF3Allowed option boards in NXL Hvac 4496 Cabling and connections Honeywell Control connectionsCabling and connections 4596 Control I/OControl terminal signals Terminal Signal Technical information4696 Cabling and connections Honeywell Cabling and connections 4796 Jumper selections on NXL basic board4896 Cabling and connections Honeywell Jumper block XCabling and connections 4996 24. The location of jumper blocks in MF2 left and MF3 right5096 Cabling and connections Honeywell Motor thermistor PTC connectionIndications on the Keypad display Control KeypadControl Keypad 5196 Drive status indications5296 Control Keypad Control place indicationsNumeric indications Reset Control Keypad 5396 Keypad push-buttonsButton descriptions Control Keypad Honeywell StartControl Keypad 5596 Navigation on the control keypad No editing 5796 5896 Control Keypad Monitoring menu M1Control Keypad 5996 6096 Control Keypad Parameter menu P2    Control Keypad 6196Parameters in Menu Selections 6296 Control KeypadKeypad control menu K3 Selection of control placeControl Keypad 6396 Keypad has been selected as the active control placeActive control place Fault type symbol Meaning Active faults menu F4Fault types 6496 Control KeypadFault codes Fault Possible cause Correcting measures CodeControl Keypad 6596 6696 Control Keypad Fault history menu H5 Control Keypad 67966896 Control Keypad System menu S66996 7096 Control Keypad Copy parametersSecurity Keypad settings 7196Left Hardware settings 7296 Control KeypadButton left Control Keypad 7396 System informationExample 7496 Control Keypad CounterContent Control Keypad 7596AI mode 7696 Control KeypadMF4 MF6 Control Keypad 7796 Modbus interfaceModbus RTU protocol Modbus address area 7896 Control KeypadTermination Resistor Modbus process dataControl Keypad 7996 Bit Description8096 Control Keypad Fieldbus parametersXx.yyy Control Keypad 8196 Expander board menu E7Further keypad functions Extremely dangerous and may cause death or severe injury Commissioning8296 Commissioning RunningCommissioning 8396 Push the Stop button on the keypad8496 Commissioning Commissioning 8596 Basic parameters Column explanationsMonitoring values Control keypad menu M1 8696 Commissioning Hvac parameters in NXL Hvac Control keypad Menu P2 B2.1Commissioning 8796 Basic parameters Control keypad Menu P2 B2.1 / B2.1.15Fault Tracing DIN2Fault tracing 8996 9096 Fault tracing Honeywell EepromFault tracing 9196 Honeywell NXL board slot E Description of Expander Board Nxloptaa9296 Honeywell Terminals on NxloptaaDescription of Expander Board Nxloptai Expander board Nxloptai 93969496 Expander board Nxloptai Honeywell DIN3 DIGINB.3NXL Hvac Basic Speed Control Quick Setup Find out more

NXL specifications

Honeywell NXL is an advanced building management system designed to optimize the efficiency of HVAC, lighting, and security systems within commercial buildings. It incorporates cutting-edge technologies to enhance operational performance, improve energy savings, and provide a comfortable environment for occupants.

One of the standout features of Honeywell NXL is its integration capabilities. The system allows seamless connections between various subsystems, facilitating a unified approach to building management. This interoperability means that data from different systems can be aggregated, analyzed, and applied to enhance overall building performance.

The Honeywell NXL employs a user-friendly interface that empowers facility managers to easily navigate through critical information. The intuitive dashboard offers real-time analytics and visualizations, providing insights into energy consumption, system performance, and occupant comfort. Users can quickly identify inefficiencies and make informed decisions to improve operational effectiveness.

In terms of technologies, Honeywell NXL utilizes IoT connectivity, which enables devices and systems within the building to communicate with one another. This connectivity allows for remote monitoring and control, which is essential for effective facility management. By leveraging IoT technology, facility managers can receive alerts, conduct diagnostics, and perform maintenance proactively, reducing equipment downtime and avoiding costly repairs.

Another significant characteristic of the Honeywell NXL is its robust data analysis capabilities. The system collects vast amounts of data from sensors and connected devices, which is then processed to identify patterns and trends. This analytical approach not only aids in energy management but also enhances occupant comfort by adjusting parameters in real-time based on occupancy and environmental conditions.

Energy management is a critical issue for modern buildings, and Honeywell NXL addresses this with advanced optimization strategies. The system can implement demand response capabilities, adjusting energy usage based on peak periods or grid demands, ultimately saving costs and reducing environmental impact.

Moreover, Honeywell NXL places a strong emphasis on security features. Its design includes integrated surveillance and access control systems, ensuring the safety of occupants while facilitating efficient access management.

In summary, Honeywell NXL is a comprehensive building management solution that combines user-friendly design, IoT connectivity, advanced data analytics, energy optimization, and enhanced security features. Its ability to integrate various building systems makes it an essential tool for contemporary facility management, promoting efficiency and sustainability in building operations.