Deif SGC 420 User Manual
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Deif SGC 420 User Manual

Deif SGC 420 User Manual

Single genset controller
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  • Page 1 SGC 420 Single Genset Controller User manual...

  • Page 2: Table Of Contents

    1. Introduction 1.1 About ................................................... 1.2 Function overview ............................................. 1.3 About the User manual ........................................... 1.3.1 General purpose ..........................................1.3.2 Software versions ..........................................1.4 Warnings and safety ..........................................1.4.1 Symbols for hazard statements ....................................1.4.2 Symbols for general notes ......................................1.4.3 Electrical safety ..........................................
  • Page 3 4. Modes of operation 4.1 Operation mode ............................................4.2 AUTO mode ..............................................4.2.1 Island ..............................................4.2.2 Engine drive ............................................4.2.3 Automatic mains failure (AMF) ....................................4.2.4 Site battery monitoring ....................................... 4.2.5 Cyclic mode ............................................4.2.6 Remote start/stop ........................................4.2.7 Auto exercise ............................................
  • Page 4 8.1.4 Engine values on the display ....................................8.2 Engine communication settings ....................................8.3 Generic J1939 ............................................9. Inputs and outputs 9.1 Digital inputs ............................................... 9.2 Digital outputs ............................................10. Troubleshooting User manual 4189341341B EN Page 4 of 89...

  • Page 5: Introduction

    About The SGC 420 controller has all the functions needed to protect and control the genset, the genset breaker, and also a mains breaker. The values and alarms are shown on the LCD display screen, and operators can control the system from the display.

  • Page 6: About The User Manual

    • 2-level password protection Alarms and event logs • Event log for 100 events with real-time clock stamps • Fuel theft alarm About the User manual 1.3.1 General purpose This document includes important instructions that should be followed during installation and maintenance of the controller. Only approved personnel can do the installation and maintenance work.

  • Page 7: Safety During Installation And Operation

    DEIF A/S reserves the right to change any of the contents of this document without prior notice. The English version of this document always contains the most recent and up-to-date information about the product. DEIF does not take responsibility for the accuracy of translations, and translations might not be updated at the same time as the English document.

  • Page 8: Installation

    2. Installation Dimensions Dimensions Length: 233.0 mm (9.17 in) Dimensions Height: 173.0 mm (6.81 in) Depth: 38.5 mm (1.52 in) Length: 219.0 mm (8.62 in) Panel cut-out Height: 158.0 mm (6.22 in) Tolerance: ± 0.3 mm (0.01 in) Tools and materials Tools required for mounting Tool Used for...

  • Page 9: Mounting

    NOTICE Too much torque damages the screw clamps and/or controller housing Do not use power tools during the installation. Materials required for mounting and wiring Materials Used for Four screw clamps Mounting the controller in the front panel Wires and connectors Wiring third party equipment to the controller terminals Cable ties Securing wiring...

  • Page 10: Terminals

    Terminals Terminal Text Description Connector Power ground BATT + Power supply positive DIG OUT A DC output - A DIG OUT B DC output - B DIG OUT C DC output - C BCP-508-10GN DIG OUT D DC output - D DIG OUT E DC output - E DIG OUT F...
  • Page 11 Terminal Text Description Connector RESERVED RESERVED RESERVED RESERVED Analogue input auxiliary/0-5 V/4-20 mA (LOP)/ ANLG AUX 3/DIG O digital input O Input from engine speed sensor (inductive) Analogue input auxiliary/0-5 V/4-20 mA/Digital BCP-508-5GN ANLG AUX 4/DIG P input P BTS BATTERY ± 60 V DC Input 1 from site battery BTS BATTERY ±...

  • Page 12: Wiring

    Terminal Text Description Connector MAINS V N Voltage input from mains neutral MAINS V L3 Voltage input from mains phase L3 MAINS V L2 Voltage input from mains phase L2 MAINS V L1 Voltage input from mains phase L1 BCP-508-7GN-4PA GEN V N Voltage input from gen neutral GEN V L3...

  • Page 13: Wiring Guidelines - Best Practice For Grounding

    Communication Communication ports for CAN (terminals 58 and 59) and RS-485 (terminals 31 and 32) have built-in 120 Ω termination resistors. Digital outputs If a digital output is connected to a relay, the relay must include freewheeling diodes. 2.5.2 Wiring guidelines - best practice for grounding It is important to follow these wiring guidelines to get: •...

  • Page 14: Analogue Inputs

    2.5.3 Analogue inputs Resistive sensor inputs Wiring for the sensor common point (SCP) for analogue inputs 1 to 3 (terminals 11 to 13). Wiring for the sensor common point (SCP) for analogue input 2 (terminal 12) when you use it as Fuel level sensor with reference to Battery Negative.

  • Page 15: Ac Connections

    Settings: • Polarity: Close to activate • SW state: Not activated • Logic status: Low 2.5.4 AC connections Three-phase application (4 wires) User manual 4189341341B EN Page 15 of 89...
  • Page 16 Three-phase application (3 wires) Two-phase application L1/L2 (3 wires) Two-phase application L1/L3 (3 wires) User manual 4189341341B EN Page 16 of 89...
  • Page 17 Single-phase application (2 wires) Split phase application L1/L2 (3 wires) Split phase application L1/L3 (3 wires) User manual 4189341341B EN Page 17 of 89...

  • Page 18: Current Transformer (Ct) Ground

    2.5.5 Current transformer (CT) ground Use one of these methods for the CT ground (S2) connections: 1. The S2 terminals are not grounded. The controller detects the current accurately. 2. The S2 terminals are grounded at the GND terminal (terminal 1). 3.

  • Page 19: Display And Menus

    3. Display and menus Display, buttons, and LEDs Shutdown Alarm Warning Alarm Notification Name Function Display Graphical Mains breaker Push to open or close the mains breaker. symbol Stops the genset if manual mode is selected. The controller opens the genset breaker and Stop the cooling down time starts.

  • Page 20: Display Settings

    Display settings 3.2.1 Display To adjust for ambient lighting, configure the display settings. Use the smart connect software to configure the contrast in Module > Display > Contrast. You can also configure the time for when the page on the display changes in Timers > General > Screen Changeover Time. Parameter Range Default...

  • Page 21: Load Histogram

    Examples of display views 3.3.1 Load histogram The load histogram shows the engine running hours. The running hours are put into load groups. Use the histogram to monitor how long the genset operates at a specific load percentage. The load percentage is calculated using these parameters: •...

  • Page 22: Auto Config Exit Mode

    4. The display shows this screen: PASSWORD 5. Enter the password: • Use the Up and Down buttons to change the number. • Select a number with the Start button. 6. You can now configure the parameter. 7. To leave the configuration menu, push and hold the Stop/Config button.
  • Page 23 Parameter Range Default Description have resolved the condition that activated the alarm. English You can change the display language if the Language English Chinese controller supports multiple languages. Display Parameter Range Default Description Configure the display contrast with this Contrast 0 to 100 % 80 % parameter.
  • Page 24 Cyclic Mode Parameter Range Default Description Enable If you enable this parameter, the controller Cyclic Mode Not enabled Disable operates in cyclic mode. Select the time duration for when the genset is Genset Off Time 1 to 720 minutes 15 minutes not operating.

  • Page 25: Digital Inputs

    Night Mode Parameter Range Default Description In this mode, the controller is off until the night Enable Night Mode Not enabled mode timer expires. You can configure when Disable night mode is active. The night mode is activated, when the start Night Mode Start Time 00:00 to 23:59 hour 09:00 hour timer starts.
  • Page 26 Parameter Range Default Description Never From Engine Start Configure from when the digital input is (Digital) Activation From Monitoring On From Monitoring On monitored. Always If the input is active when the timer expires, the (Digital) Activation 1 to 180 s controller actives the action for the digital input.
  • Page 27 Parameter Range Default Description (FLS) Warning The controller shows a notification when the 2 to 80 % 50 % Threshold fuel level is less than this set point. (FLS) Fuel Tank 2 to 1000 litre 100 litre Configure the fuel tank capacity. Capacity If this parameter is enabled, the controller (FLS) Fuel Theft...
  • Page 28 Parameter Range Default Description Shutdown Resistance: 0 to 5000 (ETS) Engine Configure the resistance and temperature Ω Temperature Sensor values for the 10 measurement points in the Temperature: -25 to Calibration Table calibration table. 300 °C S1 Sensor Parameter Range Default Description Not used...
  • Page 29 Parameter Range Default Description Resistance: 0 to 5000 Configure the resistance values for 10 (S1) Calibration Table Ω measurement points in the calibration table. Value: 0 to 1000 (STS) High Temp If the battery temperature is more than this set 25 to 300 °C 60 °C Threshold...
  • Page 30 Parameter Range Default Description Enable The controller activates a warming alarm when (S2) Warning Not enabled Disable this parameter is enabled. If the monitored value is more than or less than (S2) Warning 0.0 to 1000.0 this set point, the controller activates a warning Threshold alarm.
  • Page 31 Parameter Range Default Description If the monitored value is more than or less than (4-20 mA) Warning 0.0 to 1000.0 this set point, the controller activates a warning Threshold alarm. Greater Than Configure if the controller activates a shutdown (4-20 mA) Threshold Threshold Less Than Threshold and/or a warning when the monitored value is...
  • Page 32 Parameter Range Default Description Shutdown Never From Engine Start Configure from when the digital input is (Digital) Activation From Monitoring On From Monitoring On monitored. Always If the input is active when the timer expires, the (Digital) Activation 1 to 180 s controller actives the action for the digital input.

  • Page 33: Outputs

    Parameter Range Default Description Shutdown (0-5 V) Calibration Voltage: 0 to 5 V Configure the voltage values for 10 Table Value: 0 to 1000 measurement points in the calibration table. 3.5.4 Outputs Outputs # Parameter Range Default Description See Digital output Source source selection in Select an output source from the list.

  • Page 34: Generator

    General Parameter Range Default Description Power Save Mode If the controller is not in use, the backlight turns 5 to 1800 s 30 s Delay off when the timer expires. Screen Changeover The display page changes when the timer 1 to 1800 s Time expires.
  • Page 35 Parameter Range Default Description Electrical Trip Shutdown If this parameter is enabled, the load is automatically transferred to the genset when Enable Auto Load Transfer Enabled the voltage and frequency are more than their Disable minimum set points and the genset is running. This is only for manual mode.
  • Page 36 Parameter Range Default Description If the voltage is less than the set point for Under-voltage 0 to 100 s 0.1 s under-voltage shutdown when this timer Shutdown Delay expires, the controller shuts down the engine. If this parameter is enabled, the display shows Enable Under-voltage Warning Not enabled...
  • Page 37 Parameter Range Default Description than the configured set point for over- frequency. Over-frequency When the frequency is more than this set point, 15 to 200 Hz 120 Hz Shutdown Threshold the engine shuts down. If the frequency is more than the set point for Over-frequency 10 to 100 0.1 s...
  • Page 38 Parameter Range Default Description When the delay timer expires, the action for Current Delay 0 to 180 s high current is activated if the current is more than high current set point. None Notification The action that occurs when the current is less Low Current Action Warning None...

  • Page 39: Mains

    3.5.7 Mains Configuration Parameter Range Default Description Enable If this parameter is enabled, the controller Mains Monitoring Enabled Disable monitors the mains voltage and frequency. Single phase (L1-N) 3-phase (L1-L2-L3-N) Split-phase (L1-N-L2) Mains AC System Split-phase (L1-N-L3) 3-phase Select the phase system for the mains. 2-phase (L1-L2-N) 2-phase (L1-L3-N) 3-phase (L1-L2-L3)

  • Page 40: Engine

    Parameter Range Default Description frequency is less than the under-frequency set point. If the mains frequency is less than this set (UF) Trip 10.0 to 59.0 Hz 45 Hz point, there is a mains failure. The mains returns when the mains frequency is (UF) Return 11.0 to 60.0 Hz 47 Hz...
  • Page 41 Parameter Range Default Description voltage is more than the alternator set point during a cranking attempt. Charging Alt If the charging alternator voltage is more than Disconnect Volt 5.0 to 30.0 V 5.0 V this set point during cranking, the crank is Threshold disconnected.
  • Page 42 Parameter Range Default Description Electrical Trip Shutdown The action for low battery voltage is activated Low Battery Voltage 8.0 to 31.0 V 8.0 V when the voltage load is less than this set Threshold point. If the battery voltage is less than the low Low Battery Voltage voltage set point when the timer expires, the 5 to 1800 s...
  • Page 43 Coolant Control Parameter Range Default Description Enable (coolant Enable Enable this parameter to configure coolant Not enabled control) Disable control. Heater Control Temperature Control Heater Control Select the type of coolant control. Cooler Control Cooler control: If the cooler temperature is more than the ON threshold, the output for Coolant Temperature Control is activated.
  • Page 44 Parameter Range Default Description Enable Coolant Temperature Not enabled Read and monitor the coolant temperature. Disable Enable Engine Speed Not enabled Read and monitor the engine speed. Disable Enable Running Hours Not enabled Read and monitor the engine running hours. Disable Enable Battery Voltage...

  • Page 45: Maintenance

    Parameter Range Default Description Always If there is a failure when the delay timer expires, Activation Delay 0 to 60 s the action for the ECU diagnostics lamps is activated. Engine Coolant Temperature Parameter Range Default Description If this parameter is enabled, the controller shuts Enable Shutdown Not enabled...

  • Page 46: Display Filter

    3.5.10 Display filter Display Filter Parameter Range Default Description Disable Enable this parameter to configure the display Filter Enable Not enabled Enable voltage filter. Configure the filter constant for the display Filter Constant 0 to 99 voltage filter. 3.5.11 Password ID Parameter Input Range...

  • Page 47: Passwords

    Passwords The controller is protected from set-up changes with a four digit password. There are two password levels: Level Access Factory setting Full access (read and write) 0123 Limited access (read) 1111 Change the password on the controller 1. Go to Configuration mode. 2.

  • Page 48: Modes Of Operation

    4. Modes of operation Operation mode The controller has two running modes: • AUTO: The controller operates automatically, and the operator cannot initiate sequences manually. • Manual: The operator has to initiate all sequences. You can do this with the buttons, Modbus commands, or digital inputs.

  • Page 49: Engine Drive

    4.2.2 Engine drive You can use the SGC to control one engine. The controller has all the necessary functions to control and protect an engine. To use the controller to control an engine drive, go to Generator > Alternator Configuration in the smart connect software.
  • Page 50 In the smart connect software, go to Mains > Configuration > Mains monitoring and make sure that mains monitoring is enabled. Go to Module in the smart connect software, to make sure that auto exercise, cyclic mode, and site battery monitoring is not enabled. The SGC controller can automatically start the genset and switch to generator supply if there is a mains failure (see the flowchart above).

  • Page 51: Site Battery Monitoring

    Minimum voltage and frequency set points Generator > Alternator Configuration Parameter Range Default Min Healthy Voltage 10 to 100 % 40 % Min Healthy Frequency 10 to 100 % 40 % 4.2.4 Site battery monitoring Use this function to monitor the site battery and the shelter temperature. The SGC controls the power sources (mains or genset) to keep the battery charge within the configured set points.
  • Page 52 operates until the timer for the site battery expires. If the genset starts as a response to the condition of the shelter temperature, then the genset operates until the timer for the shelter temperature expires. If the shelter temperature is more than the high shelter temp set point when the timer expires, the DG run duration timer starts again.

  • Page 53: Cyclic Mode

    Parameter Range Default Description timer expires, the controller activates the start sequence for the genset. The genset operates for this time Shelt Temp Run Duration 0 to 720 min 60 min duration when the shelter temperature is too high. Timers Timers >...
  • Page 54 During normal operations, the mains supplies the load. If there is a mains failure, the controller automatically starts the genset and switch to generator supply (see the flowchart above). Once the genset loading voltage and frequency are more than their minimum set points, the Warm-up delay timer starts. When the Warm-up delay timer expires, the timer for the load transfer delay starts, and the genset breaker closes.

  • Page 55: Remote Start/Stop

    4.2.6 Remote start/stop You can configure digital inputs as remote start/stop inputs (latched type input). You can start and stop the genset remotely by activating the configured remote start/stop inputs. To configure the remote start/stop inputs, go to Digital Inputs in the smart connect software and select the source as Remote Start/Stop.

  • Page 56: Auto Exercise

    Timers Timers > Start/Stop Parameter Range Default Warm-Up Delay 0 to 60 s Load Transfer Delay 1 to 60 s 4.2.7 Auto exercise You can use exercise mode to schedule a maximum of two start/stop sequences for the genset. The sequences can occur daily, weekly, or monthly.

  • Page 57: Manual Mode

    Manual mode In manual mode, the operator must start all sequences. You can do this with the display buttons, Modbus commands, or digital inputs. Commands in manual mode Command Description The start sequence is started and continues until the genset starts or the maximum Start number of starts attempts is reached.

  • Page 58: Test Mode

    Command Description The controller ramps down and opens the generator breaker at the breaker open point if Open the genset breaker the mains breaker is closed. The controller opens the generator breaker instantly if the mains breaker is open or the controller is in island mode. Acknowledge alarms Push the acknowledge button to acknowledge an alarm in manual and AUTO mode.

  • Page 59: General Functions

    5. General functions AC measurement systems The AC system can be three-phase, two-phase, single phase, or split phase. CAUTION Incorrect configuration is dangerous Configure the correct AC configuration. If in doubt, contact the switchboard manufacturer for information. Nominal settings 5.2.1 Default nominal settings Generator >...

  • Page 60: Breakers

    Text Range Default Note Check the minimum and maximum values the SGC Nominal load current 0 to 8000 A 350 A can read and display. Remember to include the Check the minimum and maximum values the SGC Nominal 4th CT current 0 to 8000 A 800 A can read and display.

  • Page 61: Load Calculations

    Timers > General Parameter Range Default Breaker Close Delay 0.1 to 30 s Load calculations For automatic mains failure (AMF) applications, you can place the current transformer (CT) on the line from the genset or on the load cable. The load calculations are based on where the CT is placed. If the location of the CT is on the On Alt Output cable, which means the CT is on the genset side, then the load calculations are based on the genset load.
  • Page 62 Alarms and their causes Alarms Cause Actions The measured oil pressure is less than the configured Shutdown Low Oil Pressure (Sensor) value. Warning Shutdown Warning Low Oil Pressure (Switch) The switch has measured a low oil pressure. Electrical Trip Notification The measured fuel level is less than the configured Shutdown Low Fuel level (Sensor)
  • Page 63 Alarms Cause Actions Emergency stop is activated. Emergency Stop Shutdown The emergency stop is configured as a digital input, and the input has triggered for longer than the configured time. Shutdown The charge alternator voltage is less than the Warning Charge Fail configured value.
  • Page 64 Alarms Cause Actions Shutdown Warning DG Phase Reversal Alternator phase sequence (L1-L2-L3) is not correct. Electrical Trip Notification Mains Phase Reversal Error during mains operation. Notification Shutdown LOP/Ckt Open (terminal The oil pressure sensor on terminal 26 is not detected Warning (circuit open).
  • Page 65 Alarms Cause Actions Shutdown Breaker close failure. Unable to close the genset Warning Fail To Close Gen Output breaker. Electrical Trip Notification Shutdown Fail To Close Mains Breaker close failure. Unable to close the mains Warning Output breaker. Electrical Trip Notification Shutdown Breaker close failure.

  • Page 66: Engine Functions

    6. Engine functions Engine sequences The engine start and stop sequences are started automatically if AUTO mode is selected. In manual mode, the operator has to initiate the sequences. Engine start functions 6.2.1 Start sequence The following drawing shows the start sequence of the genset. Configure the run coil timer to activate the fuel relay output and the idle mode output before pre-heat is completed.
  • Page 67 Timers > General Parameter Range Default Safety Monitoring Delay 10 to 60 s 10 s Warm-Up Delay 0 to 60 s ISV Pull Signal Timer 0 to 20 s 0.1 s Engine Engine > Preheat Parameter Range Default Preheat Timer 0 to 1200 s 10 s Engine >...
  • Page 68 Start sequence flowchart 1. The controller sends a start signal to the genset. 2. The Start Delay timer is activated. 3. When the Start Delay timer expires, the pre-heating function is activated if this is configured. If pre-heating is not configured, go to step 7 (crank hold). 4.

  • Page 69: Engine Stop Functions

    Engine stop functions 6.3.1 Stop sequence The stop sequence is activated if a stop command is given. The stop sequence includes the cooling down time if the stop is a normal or controlled stop. Timers > General Parameter Range Default Engine Cooling Time 0 to 300 s Stop Action...

  • Page 70: Stop Sequence Flowchart

    6.3.2 Stop sequence flowchart 1. The genset breaker opens if there is a breaker in the application. 2. A stop command is given. You can activate the command with a digital input or Modbus. You can only use the display buttons in manual mode. 3.

  • Page 71: Idle Mode

    Idle mode The purpose of the idle mode function is to allow the engine to operate at idle speed before ramping up to rated speed. You can activate idle mode using a digital input or a timer. If you have configured an input and a timer for idle mode, then the timer is overruled.

  • Page 72: Coolant Temperature

    Stop sequence for idle mode You can also activate idle mode during the stop sequence. Go to Engine > Speed Monitoring > Stopping Idle Time to configure the timer for the idle stop time. If you set the timer to 0 seconds, idle mode is not activated during the stop sequence.
  • Page 73 3. Go to the Outputs tab and select the output you want to use. 4. Use the drop-down list next to the output to select Coolant Heater Control Output as the source. 5. Go to the Engine tab and select Coolant Control. 6.

  • Page 74: Engine Pre-Heater

    Engine pre-heater This function is used to control the temperature of the engine before the engine starts. The function is only active when the engine is stopped. A temperature sensor is used to activate an external heating system to keep the engine at a minimum temperature.

  • Page 75: Other Functions

    Parameter Range Default Description for the engine temperature (Engine Coolant Temp Threshold). Engine Coolant Temp The coolant temperature the engine must reach 10 to 300 °C 25 °C Threshold during pre-heat. Other functions 6.7.1 Maintenance timer The controller has one timer to monitor maintenance intervals. The timer function is based on engine running hours or a due date.
  • Page 76 Engine stop Cooling down Extended stop Keyswitch output User manual 4189341341B EN Page 76 of 89...

  • Page 77: Modbus

    For more information about Modbus in general and the Modbus protocol, refer to the documentation freely available at http://www.modbus.org. Refer to the Modbus tables, available for download at www.deif.com, to see how the controller data is mapped to the Modbus addresses.

  • Page 78: Can Bus Engine Communication

    NOTE See the ECU user manuals for the ECU protocol technical description and details of each communication value. Other engines and controllers For engines and controllers not listed in this document, contact DEIF. 8.1.2 Default settings The SGC controller is delivered with a set of default settings for engine communication. These settings are not necessarily correct for your engine or genset.

  • Page 79: Engine Values On The Display

    Engine communication settings Use the DEIF smart connect software to configure engine communication for the SGC controller. Open DEIF smart connect and connect to the SGC controller. Select Start > Engine > Engine Control unit (ECU) to see the engine communication settings.

  • Page 80: Generic J1939

    See the specific documentation for the engine/ECU for information about the source address. Generic J1939 Basic information • Engine controller/type: A controller that uses generic J1939. • DEIF smart connect: Select Generic J1939. • Complies with the J1939 standard. • Baud rate: 250 kb/s Warnings and shutdowns These standard warnings and shutdowns are supported: •...
  • Page 81 • Use the Up and Down buttons to go through the alarm list. • oc##: Shows how many times a specific alarm has occurred. • CLRALL: Push ENTER to clear the entire alarm log list. For safety reasons, this requires the master password. NOTE If the controller has no translation text for an SPN diagnostic number, Text N/A is shown.

  • Page 82: Inputs And Outputs

    9. Inputs and outputs Digital inputs Source Description Not used The digital input is not used. User configured The digital input is configured by the user. The input is activated when the fuel level is less than the configured value. Low fuel level switch The configured alarm is shown.

  • Page 83: Digital Outputs

    Source Description • Mains monitoring is enabled and there is a mains failure. The input is deactivated. The is still a mains failure and the mains breaker opens. When this input is activated an alarm is shown on the display. You can V-belt broken switch configure the alarm type.
  • Page 84 Output source Description This output is activated when the digital input for close mains/open genset Close mains contactor is activated in manual mode. Mains failure This output is activated when there is a mains failure. Common alarm This output is activated when one of the alarm types is activated. Common electrical trip This output is activated when there is an active electrical trip alarm.
  • Page 85 Output source Description This output is activated when the over-voltage shutdown alarm for phase L3 phase OV shutdown L3 is activated. This output is activated when the under-voltage shutdown alarm for phase L3 Phase UV Shutdown L3 is activated. This output is activated when the controller shuts down the genset Gen over current because of over-current.
  • Page 86 Output source Description Fail to close generator This output is activated when there is a genset breaker failure. Fail to close mains This output is activated when there is a mains breaker failure. This output is activated when the loading voltage has not reached the Loading volt not reached minimum set point during the start sequence.

  • Page 87: Troubleshooting

    10. Troubleshooting General troubleshooting Fault Action • Check the battery voltage. • Check the fuse on the battery supply. The controller does not power ON. • Check continuity between battery positive and controller terminal 2. • Check continuity between battery ground and controller terminal 1. The controller display is not •...
  • Page 88 Fault Action • Check start-relay connection to the terminal on the controller. • Go to the configuration menu on the controller. Make sure the start mode and start relay output polarity are configured correctly. • Check the alternator voltage signal (L1 phase) is received by the controller terminal.
  • Page 89 Site battery monitoring troubleshooting Fault Action • Make sure the panel and site are correctly earthed. The site voltage is not consistent • Make sure the connections are wired correctly (terminals 24 and 25). User manual 4189341341B EN Page 89 of 89...

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