Geely C12e Maintenance Manual
  1. Manuals
  2. Brands
  3. Geely Manuals
  4. Buses
  5. C12e
  6. Maintenance manual
Geely C12e Maintenance Manual

Geely C12e Maintenance Manual

Pure electric bus
Hide thumbs Also See for C12e:
Table of Contents

Advertisement

Quick Links

Download this manual
Maintenance Manual
Make (trade name of manufacturer) : Farizon Auto, LEVC
Type
Variant
Version(s)
Commercial name(s)
Geely Sichuan Commercial Vehicle Co., Ltd
GCVW19151-12 m pure electric bus (EU) maintenance manual V2.3
Pure electric bus
: C12E
: 11A1L
: 1N11ENA, 1N11ENB
: Farizon Auto: Farizon C12E,
0
：LEVC BS12
LEVC

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the C12e and is the answer not in the manual?

Questions and answers

Related Manuals for Geely C12e

Summary of Contents for Geely C12e

  • Page 1 Pure electric bus Maintenance Manual Make (trade name of manufacturer) : Farizon Auto, LEVC Type : C12E Variant : 11A1L Version(s) : 1N11ENA, 1N11ENB Commercial name(s) : Farizon Auto: Farizon C12E, ：LEVC BS12 LEVC Geely Sichuan Commercial Vehicle Co., Ltd...

  • Page 2: Table Of Contents

    GCVW19151-12 m pure electric bus (EU) maintenance manual V2.3 catalog explain ......................... 4 Warnings and Cautions ....................4 Chapter I Regulations on Graded Maintenance at Various Levels ......6 Maintenance regulations .................... 6 Precautions for maintenance safety warning ............. 6 Chapter II Maintenance Content ................
  • Page 3 GCVW19151-12 m pure electric bus (EU) maintenance manual V2.3 Operation precautions of high-voltage electrical system ......... 25 Maintenance of power and electrical system ............27 High-voltage power distribution system ............ 27 DC charging system ..................39 Electrical schematic diagram of complete vehicle ........42 Maintenance of electric drive system ..............
  • Page 4 GCVW19151-12 m pure electric bus (EU) maintenance manual V2.3 Inspection and replacement of tire ................66 Air pressure inspection ................66 Inspection of crack and pattern ..............66 Period inspection and transposition ............66 Check the tire tread ..................67 Parking of vehicles ..................

  • Page 5: Explain

    GCVW19151-12 m pure electric bus (EU) maintenance manual V2.3 explain  Level 3 Contents The third level directory set below each second level directory is the same, respectively: Specification Description and operation Operating principle of the system Position of components Exploded View Electrical schematic diagram Diagnostic information and steps...
  • Page 6 GCVW19151-12 m pure electric bus (EU) maintenance manual V2.3 there is water or rust on the charging interface or plug, do not charge to avoid short circuit or electric shock and even personal injury. Keep the power supply equipment, vehicle to be charged, charging cable and charging plug away from rain, snow, water and fire source.
  • Page 7 Before fast charging, please check the quick charging socket socket for damage, ablation and color change. In case of any of the above phenomena, please do not charge and contact the authorized dealer of Geely. Important precautions for charging...

  • Page 8: Chapter I Regulations On Graded Maintenance At Various Levels

    When the new vehicle is driven to 2500~3000 km (2000~2400 km for bus) or 300 (240 hours for bus) (working time for complete vehicle), the first one shall prevail, and the compulsory running-in maintenance must be carried out at the special service station of Zhejiang Geely New Energy Commercial Vehicle Co., Ltdzhejiang.

  • Page 9: Chapter Ii Maintenance Content

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 motor controller may have abnormal conditions during use and cause injury to personnel and equipment; When the complete vehicle is rechecked after maintenance, if any abnormality is found, please stop the operation in time and check the equipment;...

  • Page 10: Power Battery System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 The installation bolts and lead connecting bolts must be tightened with appropriate torque (according to the drawing requirements), or the integrated controller of main and auxiliary drive may have abnormal conditions during use, causing injury to personnel and equipment;...

  • Page 11: Other Chassis Parts

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Check and fasten the connecting bolts and nuts of each joint of the steering mechanism. Check the steering pipeline connector for looseness and oil leakage. Other chassis parts Check and fasten the fastening bolts and nuts of the body and chassis. Lubricate the lubricating points of the whole vehicle and 3 # base grease.

  • Page 12: Transmission Shaft

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 1. Check whether the high and low voltage wire harness corrugated pipes and connectors of the battery system are scratched, damaged or loosened; 2. Whether there is sludge, crack, deformation, peculiar smell and bulge in the battery box and high pressure box;...

  • Page 13: Electrical System

    Check whether the battery surface is clean, whether the charged state display is green, and whether the connectors are firmly connected without corrosion. Check the gateway every day, insert the diagnostic device, export the gateway storage log (including the IDPS security log) and save it in the local Geely after-sales computer.

  • Page 14: Level 1 Maintenance

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Level 1 maintenance Level 1 maintenance: it refers to the periodic maintenance of the vehicle every certain interval (calculated from the running-in maintenance) or every certain interval. Mileage interval: 12000 km for buses and short-distance buses and 15000 km for long-distance buses;...

  • Page 15: Complete Vehicle Controller

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 firmly and reliably, and the surrounding environment shall be clean and dry. Complete vehicle controller Mode of Operation items technical requirement operation (1) Cables shall be fixed reliably without abrasion; The wiring of each part shall be fastened and the fasteners shall be complete;...

  • Page 16: Main And Auxiliary Drive Integrated Controller

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 (1) The fixing shall be firm and reliable, and the fixing bolts shall be free from looseness and loss; Cleaning and (2) The automatic transmission is free of oil leakage; Gear box inspection (3) Each connecting harness and connector shall be...

  • Page 17: Power Battery System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 controller manufacturer of the main and auxiliary drive directly to solve the overcurrent fault or hardware fault detected by the motor not running; 8) SDCAC, BDCAC, or DCDC overcurrent and hardware failure. SDCAC、 BDCAC、 Or DCDC does not operate to detect overcurrent fault or hardware fault, please directly contact the after-sales service of the main and auxiliary drive integrated controller manufacturer for solution;...

  • Page 18: Brake System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 manufacturer's standard. b) The camshaft rotates flexibly without clamping stagnation. The axial displacement of camshaft is less than 1mm and the radial clearance is not more than 0.3mm. Check and tighten the axle shaft bolts and check the rear tire bolts: a) The brake drum shall be free of crack, the outer edge shall not be higher than the working surface, the inspection hole shall be complete, the runout of the friction surface of the brake drum shall be less than 0.2mm, and the difference between the inner diameters of the left and right brake drums shall be less...

  • Page 19: Air Conditioning System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 the motor shall not exceed the parameters specified in the insulation class. Oil filtering accuracy: no less than 20um. For new vehicles, replace the oil according to the running- in mileage and every 5000 km later, and clean or replace the filter element in the oil tank; In case of especially severe service environment, the oil shall be replaced every 10000 km, and the filter element in the oil tank shall be cleaned or replaced.

  • Page 20: Suspension System

    (including IDPS security logs) and save in the local GEELY after-sales computer. Suspension system The vehicle should be parked on a clean flat ground, preferably on the maintenance trench, and the parking brake blocks the wheels.

  • Page 21: Secondary Maintenance

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 washers are not loose. When the air supply pressure reaches normal, the air spring inflates normally, and the firmness of air bags on both sides of the same axle is the same. Check the air spring for wear, damage and improper bulge, and there is proper clearance around it.
  • Page 22 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 ① The steering knuckle shall be free of crack and damage, the thread shall be intact and the nut shall Check the steering be matched without radial looseness, the fuse plate knuckle and nut, shall work well, and the oil seal shall be intact safety piece, oil seal,...
  • Page 23 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 oil seal radial looseness. ② The oil seal shall be intact without looseness and oil leakage. ③ The fit clearance between sleeve and bearing shall be less than 0.1mm. ① The bearing retainer shall be free of fracture, the Check the inner and roller shall not fall off, crack and ablation.
  • Page 24 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 the brake pad and (0.5~1.0) mm. the brake disc If the brake caliper cannot slide by hand, the guiding mechanism of the brake caliper must be further checked (disassemble the brake pad, clean the guiding pin and remove the dirt.
  • Page 25 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 It works well, and the two-way slope standing on Auxiliary Check the parking 20% ramp is reliable; The pipeline joint shall be braking system brake performance reliable without air leakage. Replace the air filter Replace every 10000 km or 6 months element...
  • Page 26 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 ① The body paint shall be free of crack and peeling, Check whether there is paint peeling and and the color of repair paint shall be consistent with the original vehicle crack on the body surface ②...

  • Page 27: Chapter Iii System Maintenance And Operation Requirements

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 damage 7) High-pressure connector plug and socket shall be clean and free from corrosion and damage 8) Low voltage connector plug and socket connection reliability 9) Low-voltage connector plug and socket shall be clean and free from corrosion and damage 10) The battery box shall be free of scratch, corrosion, deformation and damage...
  • Page 28 If the fault disappears, continue driving; If the fault cannot disappear, please contact the authorized dealer of GEELY for warranty. Precautions for inspection and maintenance of main and auxiliary drive integrated controller: Safety precautions during detection in case of failure of integrated controller of main and auxiliary drive.

  • Page 29: Maintenance Of Power And Electrical System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 dangerous accidents may occur. 10) The motor must be stopped and the power supply must be cut off during regular maintenance. Otherwise, it may cause personal injury. 11) Do not touch the spline with bare hands. 12) When measuring the insulation resistance, do not touch the exposed conductive part;...
  • Page 30 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 2) Type II high-voltage connector: (small current connector) a. Pull out the green locking lug on the plug from the locking position to the normally open position; b. Press the "main lock button" and separate the plug and socket. At this time, the headstock is separated for a certain distance;...
  • Page 31 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 3) Position of HV connector on front panel of integrated controller of main and auxiliary drive 4) HV fuse position The main and auxiliary drive integrated controller controller is equipped with high-voltage fuses for each high-voltage circuit, mainly including main positive and steering DCAC, braking DCAC, electric air conditioner and electric defroster, to protect overload or short circuit fault of each high-voltage circuit.
  • Page 32 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 pump DCAC, DC DC converter, high voltage distribution box and high voltage control module HCM. MCU module mainly provides 380V AC driving power for the motor, and realizes the power control of the vehicle according to the control command of the vehicle controller VCU.
  • Page 33 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Battery Voltage range: 460-720V Rated voltage: 540V 2. The five in one controller is designed to operate 3000 times per year 5、 Diagnostic Information and Procedures Diagnosis description Refer to "Description and operation" of the system to start system diagnosis. When a fault occurs, consulting the "Description and Operation"...
  • Page 34 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Shen Motor IPT (A3) JAR-TE-KG-95-A3 gyang output City Shen Motor IPT (A4) JAR-TE-KG-95-A4 gyang output City positive Defros 2310540-2 electrode ting 2310538-1 negative output electrode positive Driver 2310540-2 heatin electrode 2310538-2 negative output...
  • Page 35 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 acquisition positive Negative oil pump motor temperatur acquisition CAN_2_H (complete vehicle) CAN_2_L (complete vehicle) CAN2 shielding ground Positive 24V power supply Negative 24V power supply Slow charge wakeup (reserved) Enable Emergenc shutdown (reserved)
  • Page 36 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 interlock input External interlock output Positive detection controller inlet temperatur Negative temperatur e detection controller inlet Positive temperatur e of brake air pump motor Negative temperatur e of brake air pump motor CAN1 shielding...
  • Page 37 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 signal sine Negative excitation Positive excitation Positive temperatur e in tank Negative temperatur e in the tank Positive temperatur Negative temperatur Shield to ground Shield to ground Shield to ground Shield to ground Grou...
  • Page 38 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 inserted in place VCU failure, no control command Troubleshoot VCU faults sent Replace the integrated controller of Air pump DCAC failure main and auxiliary drive DCAC fuse is blown Replace the fuse Excessively low brake The high-voltage connector is not Insert the high-voltage connector in...
  • Page 39 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 5) Disconnect the water pipe and bond strap 6) Disassemble the mounting bolt and take out the integrated controller of main and auxiliary drive. Installation: 1) Place the integrated controller of main and auxiliary drives and install bolts. 2) Connect master and auxiliary drive integrated controller harness a.
  • Page 40 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 (2) Disconnect the negative cable of battery (3) Disassemble the service switch (4) Disassemble the high voltage line of the integrated controller of the main and auxiliary drives a. Disassemble the M6 screws for the wiring cover of the integrated controller of the main and auxiliary drive;...

  • Page 41: Dc Charging System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 High voltage harness from inflation pump to integrated controller of main and auxiliary Disassembly: drive (1) Open the rear compartment door (2) Disconnect the negative cable of battery (3) Disassemble the service switch (4) Disassemble the high voltage line of the integrated controller of the main and auxiliary drives a.
  • Page 42 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 DC charging socket Photo of DC charging socket is as follows (the photo is for reference only, subject to the DC charging socket actually installed in the vehicle): 2、 Description and operation Introduction to DC charging system The DC charging system consists of the following components: External DC charger (including DC charging plug)
  • Page 43 If there is display fault above fault, stop charging. It is suggested that you contact the authorized service shop of Geely Commercial Vehicle Re-plug the charging gun to start charging after the Power supply outage...

  • Page 44: Electrical Schematic Diagram Of Complete Vehicle

    Confirm that the charging pile (cabinet) or vehicle Vehicle or charging pile displays fault prompt, and it is suggested that you (cabinet) fails contact the authorized service shop of Geely Commercial Vehicle Charging connection signal (PP) fault 低压总电源开关合 闸，并告诉用户操...

  • Page 45: Maintenance Of Electric Drive System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Maintenance of electric drive system Drive motor 1、 Specification (s) General specifications index Drive motor type Permanent magnet synchronous motor Continuous power peak power Continuous Nm (1200Nm) torque Peak torque value R/min ～...
  • Page 46 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 The motor system is a permanent magnet synchronous motor (PMSM), which is controlled by MCU and can operate in four quadrants. The output performance of the motor system shall be guaranteed in the first and fourth quadrants, and the output function of the system shall be guaranteed in the second and third quadrants.
  • Page 47 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 rated current specified on the nameplate. 3) Pay attention to the smell, vibration and noise of the motor. Winding may have insulation burnt smell due to high temperature. Some faults, especially mechanical faults, will be reflected as vibration and noise soon.

  • Page 48: Drive Motor Controller

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Installation and fixation 1) Mechanical installation: connect the output flange with the transmission shaft, and connect the motor housing suspension with the bus chassis. 2) Connection of cooling system: connect the water inlet and outlet of the main motor with the water pipe of the complete machine to ensure no leakage.
  • Page 49 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 controller. The inverter receives the DC power from the battery and converts it into three-phase AC power to provide power for the vehicle motor. The controller receives signals such as motor speed and feeds them back to the instrument.

  • Page 50: Gearbox (If Any)

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 the CAN bus line is abnormal; CAN bus line of motor controller is abnormal, and short circuit or short circuit occurs to CAN bus line. Measure: use CAN bus analyzer to test whether the message at the vehicle controller end is consistent with the message at the motor controller end;...

  • Page 51: Maintenance And Overhaul Of Power Battery System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 mechanism. When the power assembly is in use, it is necessary to regularly check whether the assembly leaks oil; Specific inspection methods are as follows: do not check the oil level immediately after driving and parking, and check after the lubricating oil is slightly cooled.
  • Page 52 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 3) In case of the above phenomena, please contact the manufacturer. Do not disassemble it without permission to prevent internal short circuit of the battery system. Function of manual service switch 1) The manual maintenance switch is an electrical element (orange component, see the figure below) used to manually cut off the high voltage circuit and play a safety protection function.

  • Page 53: Maintenance Of Front Axle (Steering Axle)

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 power battery. In addition, if the power battery on the vehicle is not removed, it may bring potential safety hazards to maintenance personnel not trained in electric vehicle maintenance. 2) Fire on fire a.

  • Page 54: Daily Maintenance Of Rear Axle Of Fine Grinding Gear

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 When the new vehicle is loaded on the axle, the complete vehicle must be running-in for 1500km, the brake clearance shall be readjusted, and the fasteners of all parts shall be checked before being put into use.

  • Page 55: Steering System Maintenance

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Precautions: Apply special paste on the seam allowance of air bag during disassembly and assembly, and do not use oil or grease. Steering system maintenance The steering system of the vehicle is a recirculating ball steering gear with hydraulic power steering. The power-assisted steering oil tank is installed in the rear compartment.

  • Page 56: Precautions For Use Of Electric Steering Pump

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Precautions for use of electric steering pump Replace the hydraulic oil for the new vehicle according to the running-in mileage, clean the oil tank and pipeline system, and discharge the dirt and debris. Check each set screw. Replace the hydraulic oil every 50000 km.

  • Page 57: Maintenance Of Brake System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Maintenance of brake system Dryer of brake system The brake system is equipped with an air drier, which absorbs the water in the compressed air to prevent the valves of the brake system from freezing in winter. The absorbed moisture is automatically discharged.

  • Page 58: Maintenance Of Disc Brake

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Every Every Every Every Every Every cycle time mont mont mont mont year years √ noise inspect √ vibration inspect √ Fixing bolt Check the fastening Check Check whether the √...

  • Page 59: Maintenance Of Lv Electrical System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Maintenance of LV electrical system Power supply part Relay: check socket contact, contact clearance, contact elasticity and ablation. The terminal nut of large relay shall be free from looseness and in good contact. Fuse: check the contact with the spring splint.

  • Page 60: Daily Maintenance Of Battery

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 1) Sensor: the sensor is an electromechanical element, which shall be checked, maintained and serviced from both mechanical and electrical aspects. 2) Controller: ordinary electronic controller, inspected and tested from appearance and performance. For electronic controller (EDC) with CPU, pay attention to the following matters: a.

  • Page 61: Controller And Sensor

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Lighting part The light assembly shall be well sealed, and the marker lamp, brake lamp, direction lamp and high and low beam lamp of the vehicle can work normally. Controller and sensor 1、...

  • Page 62: Parts Maintenance

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Parts maintenance The cooling module fan operates normally without abnormal noise; The cooling module shall be checked and cleaned regularly to prevent catkin and dirt from blocking the core and affecting the heat dissipation efficiency;...

  • Page 63: Maintenance Of Air Conditioning System

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Maintenance of air conditioning system Disassemble the return air outlet to clean the filter screen Maintenance of air conditioner Timely maintenance of the air conditioning system can greatly extend its service life and maintain its original refrigeration effect.
  • Page 64 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 range of 16 ℃ - 32 ℃; Generally, in spring and autumn, when the temperature difference between morning, afternoon and noon is large, the ambient temperature in the vehicle may be lower than 16 ℃. At this time, the air conditioner will not cool.

  • Page 65: Defrosting Maintenance

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Defrosting maintenance Timely carry out necessary maintenance for the cold and warm defroster system, which can greatly extend its service life and maintain its original refrigeration and heating effects. 1、 Check the following components every 50 hours of operation Check whether the fixing bolts of the high and low pressure pipelines are loose, and whether there is oil stain at the joints.

  • Page 66: Battery Thermal Management System (Optional)

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 ing failure Fresh air actuator failure Check and remove of internal faults CAN module damaged replace external air line fault Check the circuit and intake remove the fault Clamping stagnation of air exchange Check and remove plate faults...

  • Page 67: Common Troubleshooting Of T-Box

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Antenna should not be squeezed by force; Common troubleshooting of T-BOX In order to facilitate the driver to quickly judge the minor fault of T-BOX and accurately reflect the fault to the maintenance personnel when reporting by telephone: Start the equipment for the first time after installation, wait for 1-2 minutes, wait until the GSM indicator flashes quickly, and then send a short message to configure SIM card number, server IP address and port number.

  • Page 68: Inspection And Replacement Of Tire

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 area Some vehicles may have electromagnetic interference. ——Solution: please replace the equipment with another vehicle or move the equipment out of the vehicle for test. Some equipment may be slow according to different power-on time. The GPS signal system of the vehicle can be successfully positioned after receiving 4 valid signals by default.

  • Page 69: Check The Tire Tread

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 the next page for tire transposition. Check the tire tread Regularly check whether the tire tread is damaged and whether stones are stuck between two wheels. Remove the stones embedded in the tire. If there is a small hole on the tire tread, fill it with raw rubber to prevent sand and mud from intruding into the cord layer and causing void.

  • Page 70: Matters Related To Cleaning And Maintenance Of Tram

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 which has a positive effect on increasing the driving mileage of tire. Master the temperature change of tire When driving in hot weather, due to high external temperature, it is difficult to dissipate heat accumulated in the tire, the tire temperature rises sharply, and the tire pressure increases accordingly, thus accelerating the aging of rubber.

  • Page 71: Inspection Of Sealing Performance Of Luggage Compartment Door

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Dust on the shell of all electrical parts in the rear electrical compartment and dust on the mounting bracket. Dust on the bottom of power battery compartment, power battery shell and battery mounting bracket. Dust on air compressor and motor housing, dust on air compressor assembly support.

  • Page 72: Annex 1 Anti-Freeze Liquid Specification Table

    Annex 1 Anti-freeze liquid specification table Note: The use and replacement of the following antifreeze are for reference only, and the specific instructions of each supporting manufacturer shall prevail. Three-filters not approved by Zhejiang Geely New Energy Commercial Vehicle Co., Ltd. shall not be used.

  • Page 73: Annex 2 Replacement Period Of Filter Element

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Annex 2 Replacement period of filter element name Replacement time Power steering oil cup filter Synchronous replacement with oil product element Replace it every 10000-15000km, and replace it if it is Air compressor air cleaner dirty or blocked Oil filter of air compressor...

  • Page 74: Annex 3 Sealed Storage Of Vehicle

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Annex 3 Sealed Storage of Vehicle Protective measures shall be taken when the vehicle is stopped for a long time to prevent rust and damage of parts. When the vehicle is stopped for more than 6 months, the following measures shall be taken (the measures within 6 months can be simplified) to seal the vehicle.

  • Page 75: Annex 4 Unsealing Of Vehicle

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Annex 4 Unsealing of Vehicle Unsealing shall be carried out when driving the sealed vehicle. Remove the tire cover, inflate it to the specified pressure and remove the jack. Discharge the anti-corrosive oil from the engine, transmission, rear axle and air filter, inject the specified oil, and install the air filter element.

  • Page 76: Annex 5 Record Of Regular Maintenance

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Annex 5 Record of Regular Maintenance Special service station: Date of Inspection maintenance Seal) treatment Travel Signature of "three guarantees" mileage director: Special service station: Date of Inspection maintenance Seal) treatment Travel Signature of "three guarantees"...

  • Page 77: Annex 6 Obd Information (Fault Code List)

    GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 Annex 6 OBD information (Fault Code List) Fault Name of fault code 1001 BMS Class I fault 1002 BMS Level II Fault 1003 BMS Level 3 Fault 1004 Excessive total voltage of BMS 1005 The total voltage of BMS is too low 1006...
  • Page 78 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 1201 Battery thermal management level 1 fault 1202 Battery thermal management level 2 fault 1203 Battery thermal management three-level fault 1205 TMS bus undervoltage 1206 TMS bus overvoltage 1207 TMS24V LV undervoltage 1208 TMS24V low-voltage overvoltage 1209...
  • Page 79 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 1320 CAN communication fault in on-board charger A 1321 On-board charger A hardware protection On-board charger A cooling water temperature over temperature 1322 fault 1331 Class I fault of car charger B 1332 Secondary fault of car charger B 1333...
  • Page 80 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 2024 LMCU Level 1 fault 2025 LMCU Level II Fault 2026 LMCU Level III Fault 2027 Overload alarm of left motor system 2028 Left MCU rotary transformer fault 2029 Left MCU IGBT fault 2030 Left motor over temperature alarm 2031...
  • Page 81 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 3030 HCM closing auxiliary positive contactor timeout 3031 HCM disconnect auxiliary positive contactor timeout 3032 HCM auxiliary positive adhesion fault 3033 HCM main positive adhesion fault 3034 Low voltage feedback timeout under BMS, MCU and HCM 3035 Excessive current of BMS bus timeout 3036...
  • Page 82 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 3094 TMS communication failure 3095 AC communication failure 3401 BMS self-test timeout fault 3402 MCU self-test timeout fault 3403 HCM self-test timeout fault 3404 VCU self-test timeout fault 3405 BMS HV interlock failure 3406 HCM high voltage interlock fault 3407...
  • Page 83 GCV-W-19151 12 m pure electric bus (EU) maintenance manual V2.3 4040 SDCAC output overvoltage 4041 SDCAC input overvoltage 4042 SDCAC input undervoltage 4043 SDCAC controller over temperature 4044 SDCAC CAN communication fault 4045 SDCAC power module failure 4046 SDCAC current sensor fault 4047 SDCAC motor power module failure 4048...

Table of Contents