Siemens L-828 manual Problem Possible Cause Corrective Action Regulator shuts, Down from open

Page 46

L-828 CCRs LC-Type (4, 7.5, and 10 kW/6.6 A/60 Hz)

Troubleshooting

4.General Troubleshooting Procedures (contd.)

Problem

Possible Cause

Corrective Action

5. Regulator shuts

Open-circuit protection fails

Test the load for open-circuit condition.

down from open-

 

Then short the CCR’s output TB1 and

circuit protection

 

check for normal operation. Refer to

(red LED lit)

 

calibration instructions in Calibrating

 

 

Regulators in the Installation section.

 

 

Repair lighting loop.

 

Contactor K1 defective

Inspect contacts of contactor K1. Replace

 

 

contactor K1, if necessary.

 

Transformer T5 or R5 (on panel)

Inspect T5 or R5. Replace, if necessary.

 

defective

 

 

Contactor K1 coil fails

Turn the CCR on and off repeatedly. If

 

 

green LED indicator for REGULATOR ON

 

 

lights but contactor K1 does not click on,

 

 

replace contactor K1.

 

Control PCB failed

If turning CCR on and off doe not light

 

 

REGULATOR ON LED, then replace Control

 

 

PCB.

6. Incorrect CCR

CCR not properly calibrated

Refer to calibration instructions in

output current

 

Calibrating Regulators in the Installation

 

 

section.

 

Control PCB failed

Replace Control PCB if CCR does not

 

 

calibrate properly.

7. W VA-Indicator red

Too many burned out lamps in

Replace burned out lamps.

LED light lit

lighting loop

 

 

Load demand greater than 4% over –

Reduce load or obtain a CCR with a higher

 

5% input voltage on a 4 kW or 7.5 or

kW rating.

 

10 kW CCR

 

 

Half-power tap was selected on TB6

Move wire #200 from TB6 terminal 2 to

 

terminal 2, and load demand requires

TB6 terminal 1.

 

more than ½ of the CCR’s rated

 

 

output power

 

 

Input voltage low for the required

Provide required voltage to CCR.

 

voltage, as selected on CCR’s TB5

 

 

NOTE: Measure voltage at the input

 

 

of CCR TB3 with the CCR in operation.

 

 

 

Continued on next page

2002 Siemens Airfield Solutions, Incorporated

96A0104B

Page 6-5

All rights reserved

Issued 6/02

 

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Page 45 Page 47
Contents Constant Current Regulators LC-Type 5, and 10 kW/6.6 A/60 Hz Record of Changes Rev Description EC No Checked Approved DateTable of Contents CCRs LC-Type 4, 7.5, and 10 kW/6.6 A/60 Hz Table of Contents List of Figures List of Tables L-828 CCRWarranties Disclaimers Safety Introduction Safety SymbolsSafety Symbols contd Qualified Personnel Intended Use Installation Installation contd Operation CCRs LC-Type 4, 7.5, and 10 kW/6.6 A/60 Hz Safety Description Introduction4, 7.5, and 10 kW CCRs are designed to Indicators Indicator PurposeCCRs LC-Type 4, 7.5, and 10 kW/6.6 A/60 Hz Description Hz LC-Type L-828 CCRs 10 kW/6.6 a Required ContactorTransformers EquipmentRatings Input Power Breaker SizingSpecifications ClassResistive Loading Style Power Factor Efficiency Reactive LoadingClass Style Brightness Nominal Output Power Class Style Step Nominal Output Allowable RangeRelative Humidity Temperature RangeRegulation Environmental Operating Conditions Altitude4340 W CCR Dimensions WeightLb kg Section Installation Floor MountingRack Mounting Description Quantity Manufacturer Part NumberWiring Connections and Startup Rack Mounting contdWiring Connections Startup contd Remote Control Wiring 3-Step Wiring Connections Startup contd Remote on-command voltage Terminal Block TB2 Label FunctionIf you use 3-Step CCR Remote Intensity Connect CCI to… Step… If you use 5-Step CCR Remote IntensityWiring Connections TP9Wiring Connections Startup contd Calibrating Regulator Setting Up Regulator for Calibration Adjusting Output CurrentAdjusting Overcurrent Adjusting Output Current contdCCR S1 Position Ammeter Reading Potentiometer Adjusting Overcurrent contd Operation If you set switch S1 Result is To the followingIntroduction Local Control Remote Control Shutdown Procedure Local Control ProceduresThen Maintenance Maintenance Schedule Interval Maintenance Task ActionShort-Circuit Test Open-Circuit Test Open-Circuit Test contd Troubleshooting Preliminary Troubleshooting Circuit Breaker/Fuses Description FunctionGeneral Troubleshooting Procedures General Troubleshooting Procedures contd Down from open Problem Possible Cause Corrective Action Regulator shutsVA-Indicator red Circuit protectionProblem Possible Cause Corrective Action VA-Indicator red LED light lit contdParts Introduction Using the Illustrated Parts ListPart Number Description Quantity 828 CCR 4-10 kW/6.6 a Part Ordering Code Input Voltage828 CCR General Assembly 4-10 kW/6.6 a Parts List 828 CCR General Assembly 4-10 kW/6.6 a Parts List contd LC-Type L-828 CCR Component Parts 1LC-Type L-828 CCR Component Parts 2 LC-Type L-828 CCR Component Parts 3 LC-Type L-828 CCR Component Parts 4of Parts List contd Assembly 4-10 kW/6.6 a828 CCR General CCR See -2. Refer below for the part numbers for the 7.5 kW See -2. Refer below for the part numbers for the 10 kW 828 CCR General KW/208-240 Vac Recommended Spare PartsKW/480 Vac Part Number Description10 kW/208-240 Vac 10 kW/480 VacSection Wiring Schematics LC-Type L-828 CCR Internal Wiring Schematic Part 1 LC-Type L-828 CCR Internal Wiring Schematic Part 2

L-828 specifications

The Siemens L-828 is a state-of-the-art aircraft communication and navigation system that is designed to enhance efficiency and safety in aviation operations. This system is equipped with a range of advanced features that cater to the evolving needs of modern air traffic management and avionics.

One of the standout characteristics of the L-828 is its versatile communication capabilities. It incorporates VHF and UHF radio systems, enabling flexible and reliable communication between pilots, air traffic controllers, and other aircraft. The system supports both voice communication and data link services, ensuring that critical information is exchanged seamlessly during flight operations.

In terms of navigation, the Siemens L-828 is equipped with cutting-edge Global Navigation Satellite System (GNSS) technology. This allows for precise positioning and navigation, essential for modern pilotage in complex airspace environments. With built-in performance monitoring, the system can also provide predictive analytics, which enhances situational awareness for pilots and ground controllers.

The architecture of the L-828 is designed for ease of integration with existing aircraft systems. Its modular design allows for straightforward upgrades and the incorporation of additional functionalities as aviation technology continues to evolve. This adaptability ensures that operators can extend the lifespan of their investment by easily implementing new features without requiring a complete system overhaul.

Another key feature of the Siemens L-828 is its robust cybersecurity measures. In an era where the threat of cyberattacks is growing, the system employs advanced encryption techniques and authentication protocols to safeguard sensitive communications and data. This emphasis on security ensures that both operational integrity and passenger safety are maintained.

Moreover, the Siemens L-828 has user-friendly interfaces that reduce pilot workload and enhance overall flight experience. With intuitive controls and clear displays, pilots can easily access critical information, thereby facilitating smoother and safer flight operations.

In conclusion, the Siemens L-828 represents a significant advancement in aviation communication and navigation technology. Its combination of versatile communication capabilities, advanced navigation systems, modular design, and heightened security protocols makes it a crucial tool for modern aircraft. As the aviation industry continues to evolve, systems like the L-828 will undoubtedly play an indispensable role in optimizing flight operations and ensuring safety in the skies.
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