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APC715 Pump Unit Controller

APC715 Pump Unit Controller ISSUE 2013-08-28 Version 1.0 Page 10 of 62

4 OPERATION

4.1 INDICATOR LIGHT

Note: Selected indicators description:

Warning indicator and Alarm indicator:

Alarm Type

Warning Indicator

Alarm Indicator

Warning

Slow flashing

Shutdown Alarm

Off

Fast flashing

Running indicator: illuminated from crank successful to ETS while off during other

periods.

Summary of Contents for APC715

Page 1: ...APC715 Pump Unit Controller USER MANUAL Smartgen Technology ...

Page 2: ...overseas Fax 0086 371 67992952 Web http www smartgen com cn http www smartgen cn Email sales smartgen cn All rights reserved No part of this publication may be reproduced in any material form including photocopying or storing in any medium by electronic means or other without the written permission of the copyright holder Smartgen Technology reserves the right to change the contents of this docume...

Page 3: ...this publication SYMBOL INSTRUCTION NOTE Highlights an essential element of a procedure to ensure correctness CAUTION Indicates a procedure or practice which if not strictly observed could result in damage or destruction of equipment WARNING Indicates a procedure or practice which could result in injury to personnel or loss of life if not followed correctly ...

Page 4: ... 19 5 PROTECTION 20 5 1 WARNINGS 20 5 2 SHUTDOWN ALARM 22 5 3 TRIP SHUTDOWN 24 5 4 FAULT IDLE 24 6 CONNECTIONS 25 7 DEFINITION AND RANGE OF PARAMETERS 28 7 1 PARAMETER CONTENTS AND RANGE TABLE 1 28 7 2 PROGRAMMABLE OUTPUT 1 5 TABLE 2 37 7 2 1 Custom Period Output 41 7 2 2 Custom Combined Output 42 7 3 DEFINED CONTENTS OF CONFIGURABLE INPUT PORTS ALL ACTIVE WHEN CONNECT TO GRAND B 43 7 4 SELECTION ...

Page 5: ...NS GCS MODBUS 53 12 6CUMMINS QSM11 53 12 7CUMMINS QSZ13 54 12 8DETROIT DIESEL DDEC III IV 54 12 9DEUTZ EMR2 55 12 10 JOHN DEERE 55 12 11 MTU MDEC 55 12 12 MTU ADEC SMART MODULE 56 12 13 MTU ADEC SAM MODULE 56 12 14 PERKINS 57 12 15 SCANIA 57 12 16 VOLVO EDC3 58 12 17 VOLVO EDC4 58 12 18 VOLVO EMS2 59 12 19 YUCHAI 59 12 20 WEICHAI 60 13 USB 61 14 FAULT FINDING 62 ...

Page 6: ...onal status and fault conditions accurately When abnormal condition occurs it can protect the unit automatically simultaneously the exact failure mode information is indicated by the LCD display on the front panel SAE J1939 interface enables the controller to communicate with various ECU ENGINE CONTROL UNIT which fitted with J1939 interface APC715 Pump Unit Controller adopt powerful 32 bit micropr...

Page 7: ...S port 10 analog sensors sensors can switch between resistor type and current type using jumper More kinds of curves of temperature oil pressure fuel level can be used directly and users can define the sensor curves by themselves Precision measure and display parameters about Engine and pump unit Protection automatic start stop of the pump unit perfect fault indication and protection function All ...

Page 8: ...rameters used digital adjustment instead of conventional analog modulation with normal potentiometer more reliability and stability Waterproof security level IP55 due to rubber seal installed between the controller enclosure and panel fascia Metal fixing clips enable perfect performance in high temperature environment Modular design anti flaming ABS plastic enclosure pluggable connection terminals...

Page 9: ...or Frequency 10 000 Hz max Start Relay Output 16Amp DC28V power supply Fuel Relay Output 16Amp DC28V power supply Programmable Relay Output 1 6 7Amp DC28V power supply Programmable Relay Output 7 10 7Amp AC250V power supply Analog Sensor 4 fixed sensor 6 configurable sensor Overall Dimensions 266 mm x 182 mm x 45 mm Panel Cutout 214mm x 160mm Working Condition Temperature 25 70 º C Humidity 20 93 ...

Page 10: ...ERATION 4 1INDICATOR LIGHT Note Selected indicators description Warning indicator and Alarm indicator Alarm Type Warning Indicator Alarm Indicator Warning Slow flashing Slow flashing Shutdown Alarm Off Fast flashing Running indicator illuminated from crank successful to ETS while off during other periods ...

Page 11: ... value in setting menu Left 1 Screen scroll 2 Left move cursor in setting menu Right 1 Screen scroll 2 Right move cursor in setting menu Set Confirm 1 Enter into help interface 2 Pressing and holding for more than 3 seconds enters parameter configuration menu 3 In settings menu confirms the set value Exit 1 Returns to the main menu 2 In settings menu returns to the previous menu NOTE In manual mod...

Page 12: ... temperature exhaust temperature turbo pressure fuel consumption total fuel consumption and so on Different engine with different parameters Pump Unit Outlet pressure pump flow pump head config sensor 2 6 can be set as temperature sensor pressure sensor or level sensor Formula Pump Head Outlet pressure Static Pressure 0 0098 Alarm Display all warnings shutdown alarms trip shutdown alarms and the c...

Page 13: ...Config Sensor 3 465kPa 4 65Bar 67 4psi Oil Pressure 465kPa 4 65Bar 67 4psi Config Sensor 4 100 1500rpm 27 6V At Rest Engine Pump Fuel Level 100 Config Sensor 5 55 131 Config Sensor 1 85 185 Config Sensor 6 60 140 Battery Voltage 1 27 6V Pump Flow 200m h Battery Voltage 2 27 6V Pump Head 102m 1500rpm 27 6V Emergency Stop 4 3 2 USER MENU AND PARAMETERS SETTING MENU Press and hold for more than 3 sec...

Page 14: ...ncluding as following Timer settings Engine settings Analog sensor settings Engine temperature engine oil pressure fuel level config 1 6 outlet pressure Input port settings output port settings GOV settings Pump settings Module settings Scheduling and maintenance settings Example Return Start Delay Stop Delay Preheat Delay Cranking Time Crank Rest Time Safety On Time Start Idle Time Warming Up Tim...

Page 15: ...3 Config Sensor 4 Config Sensor 5 Return Start Delay Stop Delay Preheat Delay Form 3 Use to scroll settings to enter settings form4 to return to previous menu form 1 Timers Engine Temp Sensor OP Sensor Level Sensor Config Sensor 1 Config Sensor 2 Config Sensor 3 Config Sensor 4 Config Sensor 5 Cranking Time Crank Rest Time Safety On Time Start Idle Time Warming Up Time Cooling Time Stop Idle Time ...

Page 16: ...e Wait Stop Time NOTE Pressing can exit setting directly during setting 4 4 AUTO START STOP OPERATION Auto mode is selected by pressing the button a LED besides the button will illuminate to confirm the operation Automatic Start Sequence 1 When Remote Start is active Start Delay timer is initiated 2 When start delay is over preheat relay energizes if configured preheat delay XX s information will ...

Page 17: ...nal is active the Stop Delay is initiated 2 Once this stop delay has expired the Pump Unit Breaker will open and the Cooling Delay is then initiated Should the Remote Start signal be re activated during the cooling down period the unit will return running status Once the Cooling Delay expires the Stop Idle delay is initiated 3 During Stop Idle Delay if configured idle relay is energized 4 ETS Sole...

Page 18: ... off load by pressing key The pump unit will unload automatically when it is stopped If After Unload Idle is selected Disable Start the pump unit in manual mode and press key during the normal running process then the generator will take load press key again the generator will unload If After Unload Idle is selected Enable Start the pump unit in manual mode and it enters into idle running process ...

Page 19: ...ust Speed Under this mode during the unit is normal running the controller will adjust the outlet pressure to rated speed and maintain its steady automatically according to the set value The Auto Adjust Speed was divided into relay adjust speed GOV adjust speed and CAN adjust speed Relay Adjust Speed Control the engine servo motor simply by using speed raise relay and speed drop relay GOV Adjust S...

Page 20: ...ge has fallen below the pre set value it will initiate a warning alarm 6 Battery 1 Over Voltage When the controller detects that battery 1 voltage has exceeded the pre set value it will initiate a warning alarm 7 Battery 1 Under Voltage When the controller detects that battery 1 voltage has fallen below the pre set value it will initiate a warning alarm 8 Maintenance Due When maintenance countdown...

Page 21: ... initiate a warning alarm 21 Battery 2 Over Voltage When the controller detects that battery 2 voltage has exceeded the pre set value it will initiate a warning alarm 22 Battery 2 Under Voltage When the controller detects that battery 2 voltage has fallen below the pre set value it will initiate a warning alarm 23 Outlet Pressure Sensor Open When the controller detects that the outlet pressure sen...

Page 22: ...n it will initiate a shutdown alarm 6 ECU Shutdown If shutdown alarm signal is received from ECU via J1939 it will initiate a shutdown alarm 7 ECU Fail If the module does not detect the J1939 data it will initiate a shutdown alarm 8 Temperature Sensor Open Circuit When the controller detects that the temperature sensor is open circuit and the action select Shutdown it will initiate a shutdown alar...

Page 23: ...utdown it will initiate a shutdown alarm 20 Outlet Pressure Sensor High When the controller detects the sensor value is higher than the max set value it will initiate a shutdown alarm 21 Outlet Pressure Sensor Low When the controller detects the sensor value is lower than the min set value it will initiate a shutdown alarm 22 Over Flow Shutdown When the controller detects the flow value is higher ...

Page 24: ...enance countdown time is 0 and the action select Trip Shutdown it will initiate a trip shutdown alarm 2 Digital Input 1 9 When the action of digital input port select Trip Shutdown and active it will initiate a trip shutdown alarm 5 4FAULT IDLE On initiation of the trip condition the controller will de energize the load output to remove the load from the unit Once this has occurred the controller ...

Page 25: ...uble wires in parallel Max 20A fuse is recommended 3 Emergency Stop 2 5mm2 Connected with B power supply via emergency stop button 4 Fuel Relay Output 1 5mm2 B power is supplied by terminal 3 rated 16A 5 Start Relay Output 1 5mm2 B power is supplied by terminal 3 rated 16A Connected to starter coil 6 Aux Output 1 1 5mm2 B power is supplied by terminal 2 rated 7A Details see form 2 7 Aux Output 2 1...

Page 26: ...nnected is active B 22 Common GND B 1 0mm2 B has already connected innerly 23 Gearbox Magnetic Pickup 1 0 5mm2 Connected with Gearbox Speed Sensor shielding line is recommended B has already connected with speed sensor 2 innerly 24 Gearbox Magnetic Pickup 2 25 Magnetic Pickup GND B has already connected with ground innerly 26 Engine Magnetic Pickup 2 0 5mm2 Connected with Engine Speed Sensor shiel...

Page 27: ... 0mm2 51 Sensor COM 3 1 0mm2 Public terminal of sensor B has already connected 52 Aux sensor 4 1 0mm2 Spare sensor of pump unit 53 Aux sensor 3 1 0mm2 54 Aux sensor 2 1 0mm2 55 Sensor COM 2 1 0mm2 Public terminal of sensor B has already connected 56 Aux sensor 1 1 0mm2 Spare sensor of engine 57 Oil pressure sensor 1 0mm2 Connected to oil pressure sensor 58 Temperature sensor 1 0mm2 Connected to te...

Page 28: ...ressure high temperature under speed under frequency voltage charge fail are inactive 7 Start Idle Time 0 3600 s 0 Idle running time of the pump unit when starting 8 Warming Up Time 0 3600 s 10 Warming time between the pump unit take load and high speed running 9 Cooling Time 0 3600 s 10 Radiating time before stop the pump unit after it unloads 10 Stop Idle Time 0 3600 s 0 Idle running time when p...

Page 29: ...tion 6 Loss of Speed Action 0 1 0 0 Warn 1 Shutdown 7 Over Speed Shutdown 0 1000 114 Setting value is percentage of rated speed and delay value can be set 8 Under Speed Shutdown 0 1000 80 9 Over Speed Warn 0 1000 110 Setting value is percentage of rated speed Delay value and return value can be set 10 Under Speed Warn 0 1000 86 11 Battery 1 Rated Voltage 0 60 0 V 24 0 Standard for detecting over u...

Page 30: ...d See the following Installation Instruction 21 Disconnect Oil Pressure 0 1000 kPa 200 When generator oil pressure is higher than the set value starter will be disconnected See the following Installation Instruction 22 After Unload Idle 0 1 0 0 Disable 1 Enable Active when system is in manual mode After start the unit it is enter into idle running when the unit is not on load Module Setting 1 Powe...

Page 31: ...r curve type or current curve type Oil Pressure Sensor 1 Curve Type 0 15 7 SGX See form 5 2 Open Circuit Action 0 2 0 0 Warn 1 Shutdown 2 No action 3 Low OP Shutdown 0 1000 kPa 103 Shutdown when external oil pressure is lower than this value Detecting only after safety delay is over The delay value can be set 4 Low OP Warn 0 1000 kPa 124 Warn when external oil pressure is higher than this value De...

Page 32: ...ble can be set 6 High Warn 0 9000 90 Warn when external sensor value is higher than this value The delay value warn enable and return value can be set 7 Low Warn 0 9000 20 Warn when external sensor value is lower than this value The delay value warn enable and return value can be set 8 Custom Curve Users should set the corresponding curve when select resistor curve type or current curve type Outle...

Page 33: ...r Flow Warn 0 1000 110 During normal running process it will initiated a warning alarm signal when flow value has exceed the set value The delay value warn enable and return value can be set 13 Over Flow Shut 0 1000 120 During normal running process it will initiate a shutdown alarm signal when flow value has exceeded the set value The warn enable and delay value can be set 14 Flow Curve Different...

Page 34: ... 0 0 Closed to active 1 Open to active 3 Arming 0 3 2 0 From safety on 1 From starting 2 Always 3 Never 4 Active Actions 0 4 0 0 Warn 1 Shutdown 2 Trip Shutdown 3 Fault Idle 4 Indication 5 Active Delay 0 20 0 s 2 0 Time from detecting active to confirm 6 Description User defined Flexible Input Port 6 1 Contents Setting 0 53 0 User defined See form 3 2 Active Type 0 1 0 0 Closed to active 1 Open to...

Page 35: ...ve Type 0 1 0 0 Normally open 1 Normally close Flexible Output Port 2 1 Contents Setting 0 239 35 Idle speed control See form 4 2 Active Type 0 1 0 0 Normally open 1 Normally close Flexible Output Port 3 1 Contents Setting 0 239 29 On load control See form 4 2 Active Type 0 1 0 0 Normally open 1 Normally close Flexible Output Port 4 1 Contents Setting 0 239 31 Reserved See form 4 2 Active Type 0 1...

Page 36: ... 100 20 GOV stability control 7 Relay Adjust Speed Dead Band 0 10 0 1 0 GOV relay control 8 GOV Relay Gain 0 100 10 9 GOV Relay Stability 0 05 1 60 s 0 10 10 GOV Relay Response 0 25 4 00 0 5 Pump Unit Setting 1 Speed Enabled 0 1 0 0 Disable 1 Enable 2 Flywheel Teeth 1 300 118 Tooth number of the engine 3 Rated Speed 0 6000 RPM 500 Offer standard to judge over under speed 4 Over Speed Shut 0 1000 1...

Page 37: ... air inflow to stop the engine as soon as possible 18 Audible Alarm Action when warning or shutdown occurs Can be connected annunciator externally When alarm mute input port is active the alarm will be prohibit 19 Louver Control Action in genset starting and disconnect when genset stopped completely 20 Fuel Pump Control It is controlled by fuel pump of level sensor s limited threshold 21 Heater Co...

Page 38: ...n between the period from stop idle to failed to stop and be controlled by GOV in normal running process 38 ETS Control Used for engines with ETS electromagnet Close when stop idle is over and open when pre set ETS delay is over 39 Pulse Drop speed Active 0 1s when controller enter into stop idle used for control part of ECU dropping to idle speed temporary reserved 40 ECU Stop Suitable for engine...

Page 39: ... warning signal 61 ECU Shutdown Indicate ECU sends a shutdown signal 62 ECU COM Fail Indicate controller cannot communicate with ECU 63 Reserved 64 Reserved 65 Reserved 66 Reserved 67 Reserved 68 Reserved 69 Aux Input 1 Active Action when input port 1 is active 70 Aux Input 2 Active Action when input port 2 is active 71 Aux Input 3 Active Action when input port 3 is active 72 Aux Input 4 Active Ac...

Page 40: ...rn Action when low oil pressure warning 144 Low OP Shutdown Action when low oil pressure shutdown 145 OP Sensor Open Action when oil pressure sensor is open circuit 146 Reserved 147 Low Level Warn Action when low oil level warning 148 Over Flow Shutdown Action when low oil pressure shutdown 149 Over Flow Warn Action when low oil pressure warning 150 Config 1 High Warn 151 Config 1 Low Warn 152 Con...

Page 41: ... and S2 are TRUE synchronously OUTPUT While S1 or S2 is FALSE NOT OUTPUT Period output S1 can set pump unit s one or more period output freely can set the delayed time and output time after enter into period Condition output S2 can set as any conditions in output ports NOTE when delay time and output time both are 0 in period output S1 it is TRUE in this period Example Output period start Delay ou...

Page 42: ...robably condition output S1 output port 1 is active Close when probably condition output S1 is active inactive close when active disconnect when inactive Contents of probably condition output S2 output port 2 is active Close when probably condition output S2 is active inactive close when active disconnect when inactive Contents of probably condition output S3 output port 3 is active Close when pro...

Page 43: ...cators are illuminating when input is active 6 Panel Lock All buttons in panel is inactive except and there is in the left of first row in LCD when input is active 7 Reserved 8 Idle Control Mode Under speed protection is inactive 9 Inhibit Auto Stop In Auto mode during pump unit normal running when input is active inhibit pump unit shutdown automatically 10 Inhibit Auto Start In Auto mode inhibit ...

Page 44: ...y and NOT take load after pump unit normal running 30 Aux Manual Start In Manual mode when the input is active pump unit will start automatically when input inactive pump unit will stop automatically 31 Reserved 32 Remote Stop In Auto mode when the input is active as well as remote start signal is inactive pump unit can be stopped automatically 33 Simulate Stop key An external button not self lock...

Page 45: ...default is SGX sensor 2 Pressure Sensor 0 Not used 1 Custom Res Curve 2 Custom 4 20mA curve 3 VDO 10Bar 4 CURTIS 5 VOLVO EC 6 DATCON 10Bar 7 SGX 8 SGD 9 SGH 10 15 Reserved Defined resistance s range is 0 6 KΩ default is SGX sensor 3 Fuel Level Sensor 0 Not used 1 Custom Res Curve 2 Custom 4 20mA curve 3 SGD 4 SGH 5 15 Reserved Defined resistance s range is 0 6 KΩ default is SGH sensor Note User sh...

Page 46: ...gine speed together in order to make the starter motor is separated with engine immediately and can check crank disconnect exactly 2 Engine speed is the magnetic equipment which be installed in starter for detecting flywheel teeth 3 When set as engine speed must ensure that the number of flywheel teeth is as same as setting otherwise over speed shutdown or under speed shutdown may be caused 4 If p...

Page 47: ...ditions may occurs 2 Maximum set value must over minimum set value in case that the condition of too high as well as too low will happen 3 When setting the warning alarm please set the correct return value otherwise maybe there is abnormal alarm When setting the maximum value the return value must less than set value When setting the minimum value the return value must over than set value 4 Digita...

Page 48: ... sensor user can adjust it in curve type 3 When input the sensor curve X value resistor must be input from small to large otherwise mistake occurs 4 If select sensor type as None sensor curve is not working and LCD does not display the sensor information 5 If there is alarm switch only for the select sensor user must set the sensor as None otherwise maybe shutdown or warning occurs 6 The headmost ...

Page 49: ...APC715 Pump Unit Controller APC715 Pump Unit Controller ISSUE 2013 08 28 Version 1 0 Page 49 of 62 10 TYPICAL APPLICATION ...

Page 50: ...e installed in starter and for detecting flywheel teeth Its connection wires to controller should apply for 2 cores shielding line The shielding layer should connect to shielding GND terminal in controller while another side is hanging in air The else two signal wires are connected to MP1 and MP2 terminals moreover MP2 has already connected to B innerly The output voltage of speed sensor should be...

Page 51: ...mmunication shielding line connect with ECU terminal only CAN H SAE J1939 signal Impedance 120Ω connecting line is recommended CAN L SAE J1939 return Impedance 120Ω connecting line is recommended Engine type Cummins ISB 12 2CUMMINS QSL9 Suitable for CM850 engine control mode Terminals of controller 50 pins connector Remark Fuel relay output 39 Start relay output Connect to starter coil directly Te...

Page 52: ...connect with ECU terminal only CAN H A Impedance 120Ω connecting line is recommended CAN L B Impedance 120Ω connecting line is recommended Engine type Cummins ISB 12 4CUMMINS QSX15 CM570 It is suitable for CM570 engine control module Engine type is QSX15 Terminals of controller 50 pins connector Remark Fuel relay output 38 Oil spout switch Start relay output Connect to starter coil directly Termin...

Page 53: ...ectly Terminals of controller D SUB connector 06 Remark RS485 GND 20 CAN communication shielding line connect with ECU terminal only RS485 21 Impedance 120Ω connecting line is recommended RS485 18 Impedance 120Ω connecting line is recommended Engine type Cummins QSK MODBUS Cummins QST MODBUS Cummins QSX MODBUS 12 6CUMMINS QSM11 Terminals of controller OEM connector of engine Remark Fuel relay outp...

Page 54: ...for 0 1s during high speed warming of controller via external expansion relay CAN GND CAN communication shielding line connect with controller s this terminal only CAN H 1 Impedance 120Ω connecting line is recommended CAN L 21 Impedance 120Ω connecting line is recommended Engine type Common J1939 12 8DETROIT DIESEL DDEC III IV Terminals of controller CAN port of engine Remark Fuel relay output Exp...

Page 55: ... recommended Engine type VolvoEDC4 12 10 JOHN DEERE Terminals of controller 21 pins connector Remark Fuel relay output G J Start relay output D CAN GND CAN communication shielding line connect with controller s terminal only CAN H V Impedance 120Ω connecting line is recommended CAN L U Impedance 120Ω connecting line is recommended Engine type John Deere 12 11 MTU MDEC Suitable for MTU engines 2000...

Page 56: ...erminal only CAN H X4 1 Impedance 120Ω connecting line is recommended CAN L X4 2 Impedance 120Ω connecting line is recommended Engine type MTU ADEC 12 13 MTU ADEC SAM MODULE It is suitable for MTU engine with ADEC ECU7 and SAM module Terminals of controller ADEC X1port Remark Fuel relay output X1 43 X1 Terminal 28 Connected to negative of battery Start relay output X1 37 X1 Terminal 22 Connected t...

Page 57: ...t with controller s terminal only CAN H 31 Impedance 120Ω connecting line is recommended CAN L 32 Impedance 120Ω connecting line is recommended Engine type Perkins 12 15 SCANIA It is suitable for S6 engine control module Engine type is DC9 DC12 and DC16 Terminals of controller B1 connector Remark Fuel relay output 3 Start relay output Connect to starter coil directly CAN GND CAN communication shie...

Page 58: ...recommended CAN L 2 Impedance 120Ω connecting line is recommended Engine type Volvo NOTE When this engine type is selected preheating time should be set to at least 3 seconds 12 17 VOLVO EDC4 Suitable engine types are TD520 TAD520 optional TD720 TAD720 optional TAD721 TAD722 and TAD732 Terminals of controller Connector Remark Fuel relay output Expanded 30A relay and relay offers battery voltage fo...

Page 59: ...ine is recommended CAN L 2 Lo Impedance 120Ω connecting line is recommended Engine type Volvo EMS2 NOTE When this engine type is selected preheating time should be set to at least 3 seconds 12 19 YUCHAI It is suitable for BOSCH common rail pump engine Terminals of controller Engine 42 pins port Remark Fuel relay output 1 40 Connect to engine ignition lock Start relay output Connect to starter coil...

Page 60: ...lay output 1 40 Connect to engine ignition lock Start relay output 1 61 CAN GND CAN communication shielding line connect to the controller at this end only CAN H 1 35 Impedance 120Ω connecting line is recommended CAN L 1 34 Impedance 120Ω connecting line is recommended Engine type GTSC1 NOTE If there is any question about connection between controller and ECU communication please feel free to cont...

Page 61: ...28 Version 1 0 Page 61 of 62 13 USB Users can set the controller s parameters and monitor the controller s status via USB port using the test software which provided by Smatgen company USB port is active in stop mode only while at other times it couldn t be detected by PC ...

Page 62: ...lated switch and its connections according to the information on LCD Check programmable inputs Crank not disconnect Check fuel oil circuit and its connections Check starting batteries Check speed sensor and its connections Refer to engine manual Starter no response Check starter connections Check starting batteries RS485 COM Fail Check connections Check setting of COM port is correct or not Check ...

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