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EP Equipment J1HD Operation Manual

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Part No.508000003143
I
V1 10/2019

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Summary of Contents for EP Equipment J1HD

  • Page 1 Part No.508000003143 V1 10/2019...
  • Page 2 EP EQUIPMENT CO.,LTD. is one of the world’s leading companies manufacture, With business all over the world, EP has design material handling equipment and thousands of employees and hundreds provide related service. With over of agents worldwide to provide our...
  • Page 3 , the real parameters will depend on sale files. 2. Manual pictures for reference only, the real car shall prevail, and shall not affect the manual use. Warning! The truck can only be used indoors ! EP EQUIPMENT CO.,LTD. Address: XIAQUAN,DIPU,ANJI,ZHEJIANG,CHINA Tel:86-571-28031990 Fax:86-571-28035616 Net:www.ep-ep.com Email:Service@ep-ep.com 2019.10 1...
  • Page 4 WARNING! TO PREVENT SETIOUS RISK OF INJURY TO YOUORSELF AND OTHERS OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS. These trucks may become hazardous if adequate maintenance is neglected. Therefore, adequate maintenance facilities, trained personnel and procedures should be provided. Maintenance and inspection shall be performed in conformance with the following practices: 1.
  • Page 5 assure that "drift" has not developed to the extent that it would create a hazard. 10. Truck shall be kept in a clean condition to minimize fire hazards facilitate detection of loose or detective parts. 11. Modifications and additions which affect capacity and safe truck operation shall not be performed by the customer or user without manufacturers prior written approval.

  • Page 6: Table Of Contents

    Catalog Correct use and Application..................1 1. Truck Description....................2 1.1 Application..........................2 1.2 Truck Assemblies........................3 1.3 Standard Version Specifications....................5 1.4 Identification points......................8 2. Commissioning....................... 10 2.1 Using the truck for the First Time..................10 2.2 During brake-in........................10 3.Operation......................... 11 3.1 Safety Regulations for the Operation of trucks..............
  • Page 7 6.1.1 Traction Controller (COMBIAC0 _MASTER uc)............38 6.1.2 Traction Controller (COMBIAC0_SLAVE uc)............. 69 6.1.3 Steering Controller (EPS-AC0)..................75...

  • Page 8: Correct Use And Application

    Correct use and Application The “Guidelines for the Correct Use and Application of Industrial Trucks” (VDMA) are supplied with the truck. The guidelines is an important component of these operating instructions and must be observed. Your country's relevant laws and regulations is not affected.

  • Page 9: Truck Description

    1. Truck Description 1.1 Application The J1HD is an electric truck.The J1HD is designed to transport and pick goods on level surfaces.Loads can be stacked,unstacked and transported over long distances. The capacity can be obtained from the data plate. Warning!

  • Page 10: Truck Assemblies

    1.2 Truck Assemblies Item Component Item Component Control panel 11 Battery Load handler 12 Dead man switch Warning lamp 13 Height-adjustable operator position Cover 14 Load wheel Controller 15 Gates Balance wheel 16 Pallet Frame 17 Mast Drive wheel 18 Blue lamp Hydraulic pump 19 White lamp Battery baffle...
  • Page 11 Safety mechanisms: An enclosed truck geometry with rounded edges ensures safe handling of the truck. Pressing the Emergency brake switch disconnects all electrical functions in hazardous situations.Gates on either side of the cab interrupt all truck operations as soon as they are opened.When you start up the truck the drive pedal must be applied.

  • Page 12: Standard Version Specifications

    1.3 Standard Version Specifications Technical specification details in accordance with VDI2198. Technical modifications and additions reserved. Unit Distinguishing mark 1.1 Manufacturer 1.2 Model designation J1HD(4110) J1HD(5330) 1.3 Drive unit Electrics Electrics 1.4 Operator type standing standing 1.5 rated capacity on front platform Δ318...
  • Page 13 4.36 behind platform width ×B 346×714 346×714 4.37 Overall length platform launch 2000 2000 4.38 The channel width 2260 2260 4.39 Turning radius 1600 1600 Performance data drive speed, laden/unladen 10.5 10.5 km/ h drive speed, laden/unladen km/ h drive speed, laden/unladen km/ h drive speed, laden/unladen km/ h...
  • Page 14 J1HD...

  • Page 15: Identification Points

    1.4 Identification points...
  • Page 16 Item Description Sling label Information sign "Never standing" Operator warning decal Emergency Lowering label AC Power Decal “Never put your hands in inner and outer mast.“ warning Nameplate Operator danger decal Key Switch decal Lift Lower Horn decal Forward/Reverse travel Power shut off Foot pedal label Operator caution decal...

  • Page 17: Commissioning

    2. Commissioning 2.1 Using the truck for the First Time Only operate the truck with battery current. Preparing the truck for operation after delivery or transport. Procedure • Check the equipment is complete. • Check the hydraulic oil level. • Install the battery if necessary (where required), (see "4.4 Battery removal and installation"...

  • Page 18: Operation

    3.Operation 3.1 Safety Regulations for the Operation of trucks Driver authorization: The truck may only be used by suitably trained personnel, who have demonstrated to the proprietor or his representative that they can drive and handle loads and have been authorized to operate the truck by the proprietor or his representative.

  • Page 19: Controls And Displays

    3.2 Controls and Displays 3.2.1 Control panel controls and displays...
  • Page 20 Item Control / Display Function Steering wheel Steers the truck in the required direction. Display unit Operating information and warning message display. "Lifting" button Lift the operator position. "Lowering" button Lower the operator position. "Horn" button Activates the horn. Disconnects the supply current, deactivates all electrical Emergency stop switch functions, causing the truck to brake automatically.

  • Page 21: Display Unit Controls And Displays

    3.2.2 Display unit controls and displays 1 Low battery alarm lamp When the electricity is too low, the lamp will illuminate.Must prevent the battery from over discharging , please charging. Fault alarm lamp When the truck has fault, the lamp will illuminate.At this time, the Information display area of LCD screen will display the warning and fault indication .
  • Page 22 Function keys Use the "left" button to adjust the speed mode;Use the "down" button to switch the driving mode. Use the "middle" to code. LCD screen Power display area It will display the rate of charge here.Each cell represents 10% charge,a total of 10 lattice. For example, figure shows the truck has 80% charge.
  • Page 23 Driving speed of J1HD ( triplex mast) Unit:Km/h Speed mode Operator platform Mode 1 Mode 2 Mode 3 Mode 4 height ( in ) Driving mode 0 - 22.05 22.05 - 74.80 74.80 - 102.36 102.36 - MAX.

  • Page 24: Run The Truck

    3.3 Run the truck Checks and operations to be performed before starting daily work • Visually inspect the entire truck (in particular wheels and load handler) for obvious damage. • Visually inspect the battery attachment and cable connections. • Check the load handler for visible damage such as cracks, bent or severely worn load forks.

  • Page 25: Industrial Truck Operation

    3.4 Industrial Truck Operation 3.4.1 Safety regulations for truck operation Travel routes and work areas: Only use lanes and routes specifically designated for truck traffic. Unauthorized third parties must stay away from work areas. Loads must only be stored in places specially designated for this purpose. Driving conduct: The driver must adapt the travel speed to local conditions.
  • Page 26 Do not drive the truck unless the panels are closed and properly locked. When you start up the truck the drive pedal must be applied. 1.Driving • Close the safety gates. • Insert the key in the key switch(5) and Warning! turn it to the “ON”...

  • Page 27: Lifting - Lowering

    2.Steering Use steering wheel (1) to steer the truck in the required direction.The drive wheel position is indicated in the driver’s display. 3.Braking The brake pattern of the truck depends largely on the ground conditions. The driver must take this into account when operating the truck.The driver must be looking ahead when travelling.
  • Page 28 Emergency Lowering Procedures If you lose power while elevated in the cage, instruct someone on ground level to pull the emergency lowering valve(1),which can lower the operator position. Warning! Do not climb out of the lift cage while the operator position is elevated.

  • Page 29: Order Picking And Placing Load Units

    3.4.4 Order picking and placing load units Picking up a load • Drive the truck carefully up to the storage CAUTION! location（3） • Before a load can be placed, the Press the "Lifting" button(1) until load driver must ensure that the storage Handler reach the desired height.

  • Page 30: Parking The Truck Securely

    • Gradually accelerate the truck. • Travel at a constant speed. • Always be prepared to brake. Only stop suddenly in dangerous situations. • Reduce speed accordingly on narrow bends. Placing loads CAUTION! • Drive the truck carefully up to the storage Avoid placing load...

  • Page 32: Battery Maintenance & Charging

    4.Battery Maintenance & Charging 4.1 Safety regulations for handling acid batteries Park the truck securely before carrying out any work on the batteries. Maintenance personnel : Batteries may only be charged, serviced or replaced by trained personnel .The present operator manual and the manufacturer ’s instructions concerning batteries and charging stations must be observed when carrying out the work.

  • Page 33: Charging The Battery

    4.3Charging the battery Safety regulations for Charging the battery • Before charging, check all cables and plug connections for visible signs of damage. • Before start and finish charging to make sure power is turn OFF. • It is essential to follow the safety regulations of the battery and charging station manufacturers.

  • Page 34: Battery Maintenance

    4.5 Battery maintenance Do not overuse battery: • If you use up the energy of battery till the forklift immovability, you will shorten its working hours. • Shower for battery appears need for charge，please charge it quickly. Battery maintenance: The battery cell covers must be kept dry and clean. The terminals and cable shoes must be clean, secure and have a light coating of dielectric grease.Batteries with non insulated terminals must be covered with a non slip insulation mat.

  • Page 35: Maintenance

    5. Maintenance 5.1 Operational safety and environmental protection • The servicing and inspection operations contained in this chapter must be performed in accordance with the intervals indicated in the servicing checklists. • Any modification to the truck assemblies, in particular the safety mechanisms, is prohibited.

  • Page 36: Servicing And Inspection

    Only suitably trained personnel may operate on the truck’s electrical system. Before working on the electrical system, take all precautionary measures to avoid – electric shocks. For battery-operated trucks, also de-energise the truck by removing the battery connector. Welding To avoid damaging electric or electronic components, remove these from the truck before performing welding operations.

  • Page 37: Maintenance Checklist

    5.3.1 Maintenance Checklist Maintenance interval ● W A B Braking Check magnetic brake air gap. ● Electrical Test instruments, displays and control switches. ● system Test warning and safety device. ● Make sure wire connections are secure and check for ●...
  • Page 38 Maintenance interval ● W A B Lifting Check lifting chains and chain guides for wear, adjust and ● grease Check Load handler and Pallet for wear and damage. ● Perform sight check of rollers, sliding elements, and stops ● Steering Test electric steering.

  • Page 39: Lubrication Schedule

    5.3.2 Lubrication Schedule...

  • Page 40: Maintenance Instructions

    Consumables Handling consumables type material: Consumables must always be handled correctly. Follow the manufacturer’s instructions. Improper handling is hazardous to health, life and the environment. Consumables must only be stored in appropriate containers. They may be flammable and must therefore not come into contact with hot components or naked flames. Only use clean containers when filling up with consumables.

  • Page 41: Recommissioning

    • Carefully open the cover (2) up. Replacing the drive wheel The drive wheel must only be replaced by authorized service personnel. Check the hydraulic oil level It is going to add hydraulic oil when you heard explosion sound from pipe during lifting.

  • Page 42: Decommissioning The Truck

    • Test Emergency brake switch. • Test brake. • Lubricate the truck in accordance with the maintenance schedule. 5.4 Decommissioning the truck If the truck is to be decommissioned for more than two months , e.g. For operational reasons,it must be parked in a frost-free and dry location and all necessary measures must be taken before, during and after decommissioning as described.

  • Page 43: Safety Checks To Be Performed At Regular Intervals And Following Any Unusual Incidents

    • Clean the battery, grease the terminals and connect the battery. • Charge the battery (See 4.4 Charging the battery P23). • Check hydraulic oil for condensed water and replace if necessary. • Run the truck (see 3.3 Run the truck P15). Battery powered trucks: If there are switching problems in the electrical system, apply contact spray to the exposed contacts and remove any oxide layers on the contacts of the operating...

  • Page 44: Troubleshooting

    6.Troubleshooting This chapter is designed to help the user identify and rectify basic faults or the results of incorrect operation. When locating a fault, proceed in the order shown in the table. If the fault cannot be rectified after carrying out the remedial procedure, notify the manufacturer ’...

  • Page 45: Error Message

    6.1 Error Message 6.1.1 Traction Controller (COMBIAC0 _MASTER uc) Error Message Possible cause Fault elimination Error text Error This is a safety related test. It is a This alarm could be caused by a CAN self-diagnosis test that involves the WATCHDOG bus malfunctioning, which blinds logic between master and...
  • Page 46 1-Fault can be caused by a key input signal characterized by pulses below the undervoltage threshold, possibly due to external loads like DC/DC converters starting-up, relays or contactors during switching periods, solenoids energizing or This fault is displayed w hen the de-energizing.
  • Page 47 A) If the problem occurs at start up (the LC does not close at all), check: - Motor internal connections; - Motor power cables connections; - If the motor connection are OK, the problem is inside the controller. B) If the problem occurs after closing the LC (the LC closes and then opens back again), check: - Motor internal connections;...
  • Page 48 If the problem occurs at start up (the Start-up test. Before switching the LC LC does not close at all), check: on, the software checks the power - motor internal connections (ohmic bridge: it turns on alternatively the continuity); high-side power MOSFETs and expects - motor power-cables connections;...
  • Page 49 The LC coil is driven by the controller, but it seems that the power contacts do not close. In order to detect this CONTACT LC contacts are not working. Replace condition the controller injects a DC OR OPEN the LC. current into the motor and checks the voltage on power capacitor.
  • Page 50 It is necessary to improve the controller cooling. To realize an adequate cooling in case of finned heat sink important factors are the air flux and the cooling-air The temperature of the controller temperature. If the thermal dissipation is base plate is above 85 °C. The realized by applying the controller base maximum current is proportionally plate onto the truck frame, the important...
  • Page 51 1- Check if there is a short or a low impedance pull-down between NMC (A12) and -B. DRIVER The driver of the LC coil is shorted. 2- The driver circuit is damaged; SHORTED replace the logic board. 3-the SET POSITIVE PEB parameter is not correct The LC coil driver is not able to drive This type of fault is not related to...
  • Page 52 1- Check the electrical and the mechanical functionality of the encoder and the wires crimping. 2- Check the mechanical This fault occurs when the frequency supplied installation of the encoder, if the to the motor is higher than 30 Hz and the encoder slips inside its housing it ENCODER signal feedback from the encoder has a too...
  • Page 53 The controller is waiting the traction requests to This problem is due to AGV WAIT allow a state transition between "AGV mode" master device (MIR) RELEASE and "MANUAL mode" Missed or wrong at least one of the AGV AGV CAN This problem is due to AGV messages (with ID 0x208, 0x218) from "AGV BUS KO...
  • Page 54 SHELF WRONG Height request under ‘0-SENSOR —— REQ. POS MM’; "Shelf selector activation request release sheld selectior request SHELF WAIT before the initialization of the height and check the heifh HEIG. measurement measuramente system "‘SHELF WR. INP: xx’ : Bit 0 of xx: pick and place request bits both actived or both not actived;...
  • Page 55 Bit 0 of xx: height region 3 is not present. There is a tolerances intersection; HEIGHT WR. Bit 1 of xx: height region 0 is not present. The —— lower ‘FREE LIFT TOL.’ border goes under zero millimeters "‘DIAG UNDER MIN.’ Under minimum diagnosis.
  • Page 56 CAN ENC IN Can Encoder in alarm —— ALARM "Wrong/failed can encoder setting ‘CAN ENC SDO xx’ xx bit 0: CAN ENCODER has not responded to 10 attept to set the configuration #5; ‘CAN ENC SDO xx’ xx bit 1: CAN CAN ENC SDO ——...
  • Page 57 ALL ACQU. do the wrong way of reach pot do the teaching in correct way REACH teaching TLT OUT OF 1-do the teaching again tilt pot out of the normal range RANGE 2-check the wiring of the tilt pot VACC TILT NOT the output of tilt pot is present,but 1-check the tilt pot the enable switch is not active...
  • Page 58 1-check the wiring of can cable wait the EP tiller CAN-BUS WAIT TILL EP 2-try to replace the EP tiller communication when key-on 3-replace the controller if set the PEDAL BRK TYPE is 1-check the wiring of can-brake NO CAN BRAKE optio#1,but the controller can't get 2-check if the can-brake is broken the can message from brake,the...
  • Page 59 1-check the communication wiring if the communication between BMS between BMS and controller NO CAN BMS EP and controller is out of time,this 2-there's a fault on BMS can alarm occurs device,repalce the BMS if the battery charge level is to 1-check the battery charge level EP BMS MC low,the BMS require the main...
  • Page 60 This alarm occurs in Gen. Set RPM HIGH versions when the speed exceeds —— the threshold speed. 1- Check if the SET KEY VOLTAGE parameter in the ADJUSTMENTS list is set in accordance with the key WRONG KEY The measured key voltage is not voltage.
  • Page 61 1- Check the temperature read by the thermal sensor inside the motor through the MOTOR TEMPERATURE reading in the TESTER function. The temperature sensor has MOTOR 2- Check the sensor ohmic value and the overtaken the threshold defined TEMP. STOP sensor wiring.
  • Page 62 Error text Error 1- Check if there is a short circuit or a low-impedance conduction path between the negative of the coil and -B. 2- Collect information about: o the voltage applied across the 1- The EVP2 driver is shorted. EVP2 coil, 2- The microcontroller detects a o the current in the coil,...
  • Page 63 Error text Error 1-check the microswitches status 2-check the wiring of pump functions if there's more than one pump MANY PUMP 3-disconnect the wire on the controller function request,e.g. lift+tilt,the REQ. side alarm occrus 4-If the problem is not solved, replace the logic board.
  • Page 64 Error text Error PUMP For COMBIAC0 and COMBIACX. it means VACC the output of lift pot is out of the normal range RANGE 1- Verify that the EB coil is connected correctly between pin A2 and pin A4. 2- Verify that the parameter POSITIVE E.B.is set in accordance with the actual configuration (see paragraph 8.2.5).
  • Page 65 Error Message Possible cause Fault elimination Error text Error 1- Verify that the parameter POSITIVE E.B. is set in accordance with the actual coil positive supply POS. EB. The voltage on pin A2 is high even if 2- Check if there is a short or a low SHORTED the smart driver is turned OFF impedance path between pin A2 and of...
  • Page 66 Error Message Possible cause Fault elimination Error text Error This fault is displayed when the controller detects an overvoltage condition. Overvoltage threshold depends on the nominal voltage of the controller. Nominal voltage 24V 36/48V 72/80V 96V Overvoltage threshold 35V 65V 115V 130V If the alarm happens during the As soon as the fault occurs, power bridge...
  • Page 67 Error Message Possible cause Fault elimination Error text Error 1- Check the motor power cables. Before closing the LC, the software 2- Check the impedance between checks the power-bridge voltage without U, V and W terminals and -B driving it. The software expects the terminal of the controller.
  • Page 68 Error Message Possible cause Fault elimination Error text Error 1- Check the encoder condition. 2- Check the wiring. 3- Through the TESTER function, check if the sign of FREQUENCY The traction rotor is stuck or the and ENCODER are the same and STALL ROTOR encoder signal is not correctly if they are different from zero...
  • Page 69 Error Message Possible cause Fault elimination Error text Error 1- Check if there is a short circuit or a low-impedance conduction path between the negative of the coil and -B. 2- Collect information about: 1- The EVP driver (output A24) is o the voltage applied across the EVP coil, shorted.
  • Page 70 Error Message Possible cause Fault elimination Error text Error 1- Check that the battery has the At key-on, the logic board measures a same nominal voltage of the inverter. VKEY OFF voltage value of the KEY input that is 2- Check the battery voltage, if it is SHORTED constantly out of range, below the out of range replace the battery.
  • Page 71 Error Message Possible cause Fault elimination Error text Error The controller receives from the CAN bus the message that another controller in the net is in fault condition; as a WAITING Check if any other device on the consequence the controller itself cannot FOR NODE CAN bus is in fault condition.
  • Page 72 Error Message Possible cause Fault elimination Error text Error 1- Check the wiring, in order to verify if LC coil is connected to the right connector pin and if it is not This fault appears when no load is interrupted. connected between the NMC output LC COIL OPEN 2- If the alarm is still present, than...
  • Page 73 Error Message Possible cause Fault elimination Error text Error This alarm occurs when the A/D conversion of the analog inputs returns frozen values, on all the converted If the problem occurs permanently signals, for more than 400 ms. The goal of ANALOG it is necessary to replace the logic this diagnosis is to detect a failure in the...
  • Page 74 1- Check the connections between the controller outputs and the loads. 2- Collect information about characteristics of the coils connected to the drivers and ask COIL This alarm occurs when an overload of for assistance to a EP technician SHOR. the EV drivers occurs.
  • Page 75 The EB coil driver is not able to This type of fault is not related to EB. DRIV.OPEN drive the load. The device itself or external components. Replace the its driving circuit is damaged. logic board. DATA The alarm ends when the Controller in calibration state.
  • Page 76 1- Check that the SET BATTERY parameter inside the ADJUSTMENTS list matches with the battery nominal voltage. 2- If the battery nominal voltage is not available for the SET BATTERY parameter inside the ADJUSTMENTS list, record the value stored as At start-up, the controller checks HARDWARE BATTERY RANGE the battery voltage (measured at...
  • Page 77 A hardware problem in the logic board LOGIC due to high currents (overload). An The failure lies in the controller hardware. FAILURE #3 overcurrent condition is triggered even Replace the controller if the power bridge is not driven. 1-Fault can be caused by a key input signal characterized by pulses below the undervoltage threshold, possibly due to external loads like DC/DC converters...
  • Page 78 1- Acquire the maximum and minimum values coming from the steering The voltage read by the microcontroller potentiometer through the STEER at the steering-sensor input is not ACQUIRING function. If the alarm STEER within the STEER RIGHT VOLT ÷ is still present, check the SENSOR KO STEER LEFT VOLT range, mechanical calibration and the...
  • Page 79 1- A travel demand or a The controller has restored the default pump request does cancel PARAM settings. If a CLEAR EEPROM has been the alarm. RESTORE made before the last key re-cycle, this 2- If the alarm appears at warning informs you that EEPROM was key-on without any CLEAR correctly cleared.
  • Page 80 Error text Error the slave controller find the status of This type of fault is related to INPUT the input is different between hardware internal components. Replace MISMATCH and CAN-BUS the logic board. PLC device has opened the Main AGV PLC Contactor and the Electric Brake coils This problem is due to PLC E-STOP...
  • Page 81 Error Message Possible cause Fault elimination Error text Error 1- Checks the matching of the This is a safety related test. parameters between Master and Supervisor μC has detected that Supervisor. OUT MISMATCH master μC is driving the pump 2- Ask for assistance to a EP motor in a wrong way (not technician.
  • Page 82 6.1.3 Steering Controller (EPS-AC0) Error Message Possible cause Fault elimination Error text Error Main uC and Slave uC communicate via a local serial interface. This alarm occurs when the It is necessary to SERIAL ERR #1 slave uC does not receive the communication replace the controller.
  • Page 83 Error Message Possible cause Fault elimination Error text Error This alarm occurs two ways: 1) In the initial rest state after key on, if the outputs of the current amplifiers are not It is necessary to replace the STBY comprised in the window 2.2 to 2.8 Vdc. controller.
  • Page 84 Error Message Possible cause Fault elimination Error text Error Check the power fuse is OK. Check the battery positive arrives to the This alarm occurs when the current in the POWER controller. Check the continuity of the phase W of the motor is zero and the motor FAILURE #1 wire in the phase W of the motor.
  • Page 85 Error Message Possible cause Fault elimination Error text Error ENCODER GEARBOX —— —— If downlaod a SW with activation activation with WAIT ACTIVATION function,but haven't TOOLS activation before,the alarm occrus AUTOC. MALFUNC. —— —— A213 —— —— A214 —— —— A215 ——...
  • Page 86 Error Message Possible cause Fault elimination Error text Error This alarm occurs if the frequency and the amplitude of the voltages from the stepper STEPPER motor lines are mismatched in between In It is necessary to replace MOTOR MISM normal condition when the amplitude of the the controller.
  • Page 87 Error Message Possible cause Fault elimination Error text Error This alarm occurs if the feedback potentiometer (CPOT on CNB#6) changes with a jerk larger JERKING Change feedback than 0.3 V in 16 msec. This alarm is used to potentiometer. catch a discontinuity in the voltages of the feedback potentiometer.
  • Page 88 Error Message Possible cause Fault elimination Error text Error LOOK. FOR PATH —— —— PATH OUT —— —— LATERAL OUT —— —— ANGLE —— —— —— —— LOSING PATH —— —— LOSING STRAIGHT WRONG ANT. RECEP —— —— ANT. MISSING ——...
  • Page 89 Error Message Possible cause Fault elimination Error text Error At key-on the eps-ac0 needs an assent from the traction controller to close the safety contacts and to turn onto operational mode. WAITING Until this assent is not relieved, this warning ——...
  • Page 90 Error Message Possible cause Fault elimination Error text Error The parameters to compensate for the gain of the current amplifiers (ADJUSTMENT #03 and ADJUSTMENT #04) are recorded in a GAIN It is necessary to send the controller not volatile memory (eeprom) with a EEPROM to Zapi to execute the maximum redundant handling.
  • Page 91 Error Message Possible cause Fault elimination Error text Error This alarm occurs for a fault on the Check connections feedback potentiometer (CPOT on feedback potentiometer. This alarm CNB#6). This alarm occurs if CPOT RANGE occurs when one connection of the exits the range from 0.3 Vdc to 4.7 feedback potentiometer is broken.

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