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TABLE OF CONTENTS
PART 1 Fault & Alarm Code
When there is a fault code on the display and an alarm code on the backend, please contact your local installer for assistance to solve the problem or contact Morek EV support through Morek EV Wiki.
Please note that the disappearance of the alarm does not mean that the problem has been resolved. Please contact us promptly, and we will provide a solution to the problem
| Fauld Code | Alarm type | Alarm code | Alarm disappearing conditions |
| 49 | Main output contactor failure | 35 | The alarm disappears after powering off |
| 52 | Fuse failure | 59 | The alarm disappears after powering off |
| 53 | Lightning protection failure | 78 | The alarm disappears after powering off |
| 60 | Vehicle port voltage is negative | 61 | The alarm can be cleared after pulling out the charging cable. |
| 61 | AC input overvoltage | 82 | The following conditions must be met at the same time for 10 seconds, the alarm disappears: 1. In the host state, there are modules online, the AC contactor is closed, and the system emergency stop button is not triggered; 2. The AC side of the module is powered on and the module is online; 3. The minimum value of the 3-phase voltage of the module <180V & and the maximum value of the 3- phase voltage of the module is >243V. The number of modules that meet this condition > 0. for 60kW systems, the alarm disappears when the system is powered off; |
| 62 | AC input undervoltage | 81 | The following conditions must be met at the same time for 10 seconds, the alarm disappears: 1. In the host state, there are modules online, the AC contactor is closed, and the system emergency stop button is not triggered; 2. The AC side of the module is powered on and the module is online; 3. The minimum value of the 3-phase voltage of the module <180V & and the maximum value of the 3- phase voltage of the module is >243V. The number of modules that meet this condition > 0. for 60kW systems, the alarm disappears when the system is powered off; |
| 66 | AC input phase A is missing. | 83 | The following conditions must be met at the same time for 10 seconds, the alarm disappears: 1. In the host state, there are modules online, the AC contactor is closed, and the system emergency stop button is not triggered; 2. The AC side of the module is powered on and the module is online; 3. The minimum value of the 3-phase voltage of the module <180V & and the maximum value of the 3- phase voltage of the module is >243V. The number of modules that meet this condition > 0. for 60kW systems, the alarm disappears when the system is powered off; |
| 67 | AC input phase B is missing. | 83 | The following conditions must be met at the same time for 10 seconds, the alarm disappears: 1. In the host state, there are modules online, the AC contactor is closed, and the system emergency stop button is not triggered; 2. The AC side of the module is powered on and the module is online; 3. The minimum value of the 3-phase voltage of the module <180V & and the maximum value of the 3- phase voltage of the module is >243V. The number of modules that meet this condition > 0. for 60kW systems, the alarm disappears when the system is powered off; |
| 68 | AC input phase C is missing. | 83 | The following conditions must be met at the same time for 10 seconds, the alarm disappears: 1. In the host state, there are modules online, the AC contactor is closed, and the system emergency stop button is not triggered; 2. The AC side of the module is powered on and the module is online; 3. The minimum value of the 3-phase voltage of the module <180V & and the maximum value of the 3- phase voltage of the module is >243V. The number of modules that meet this condition > 0. for 60kW systems, the alarm disappears when the system is powered off; |
| 76 | The system has no available modules | 84 | |
| 80 | Meter offline | 36 | When the meter communication is normal, the alarm disappears. |
| 83 | insulation failure | 39 | The alarm can be cleared after disconnecting the charging cable from the charger. |
| 84 | System module mixed insertion | 87 | The alarm disappears after powering off the charger. |
| 85 | System emergency stop failure | 73 | After reset the emergency stop button, the alarm disappears. |
| 86 | Master-slave communication abnormality | 76 | When Master-slave communication is restored, the alarm disappears |
| 87 | Meter calibration error | 42 | Pull out the charging cable and the alarm disappears; or power off the charger and the alarm disappears. |
| 88 | System door sensor failure | 77 | When the door is closed, the alarm disappears. |
| 89 | System fan failure | 79 | The alarm disappears after powering off the charger. |
| 95 | Duplicate TMU ID | 40 | The alarm disappears after powering off the charger. |
| 135 | Charging system does not match | 65 | The alarm disappears after powering off the charger. |
| 136 | Module startup failed | 69 | The alarm disappears after the charging cable is disconnected from the vehicle. |
| 177 | Gun tip over temperature warning | 1078 | 1. In standard mode, if the temperature of the charging cable connector<60℃ (when the charging session is finished or when the charger is at idle state) and lasts for 10 seconds, the alarm disappears; 2. In standard mode, the alarm disappears after disconnecting the charging cable from vehile for 10 seconds. |
| 186 | Duplicate CMU ID | 88 | The alarm disappears after powering off the charger. |
| 257 | IO board offline | 257 | the alarm disappears after the communication between PCU and CMU is normal. |
| 258 | IO board failure | 258 | 1. For IO board fault alarms triggered by IOB address anomalies and IOB command overruns, the alarms disappear after powering off; 2. For IO board fault alarms triggered by IO board offline and IO board interlocking, refer to the respective alarm disappearance conditions. |
| 259 | TMU interlock abnormality | 1065 | The alarm disappears after the charging cable is disconnected from the vehicle. |
| 260 | Abnormal voltage in front of output contactor | 1066 | The alarm disappears after the charging cable is disconnected from the vehicle. |
| 261 | The module address is out of range or the address is repeated | 1341 | The alarm disappears after powering off the charger. |
| 262 | Module slot mismatch | 1342 | The alarm disappears after powering off the charger. |
| 263 | TMU emergency stop failure | 1069 | The alarm disappears after emergency stop button of the terminal is reset. |
| 265 | TMU door sensor failure | 1070 | The alarm disappears when the terminal cabinet door is closed. |
| 266 | IO interlock fault | 259 | There is no such failure for single charging station. |
| 267 | CMU interlock failure | 1344 | For the 120kw system, the alarm disappears as long as one of the following conditions is met, 1. All charging cables of online terminals have been disconnected from vehicles; 2. The terminals are all in not charging state && the number of terminals with their charging cables disconnected from vehicle are not 0. 3. There is only one terminal at charging state at most; 4. All parallel contactors are open. |
| 268 | CMU has no available module failure | 1345 | If the charger system has available modules, the fault disappears. |
| 269 | AC input contactor refuses to operate/ malfunctions | 1346 | The alarm disappears after powering off the charger. |
| 270 | AC input adhesion failure | 1347 | The alarm disappears after powering off the charger. |
| 272 | Bleed circuit failure | 1071 | When the output voltage drops below 60V, the fault disappears. |
| 273 | TMU no module available fault | 1068 | For 180KW, if the terminal system has available modules, the fault disappears; |
| 275 | TCU offline fault | 1099 | 1. The communication between the monitor and the TCU is normal, and the alarm disappears; 2. Under the non-TCU mode, the communication between the monitor and the master central control is normal, and the alarm disappears; |
| 276 | Meter shunt counterattack | 1100 | The alarm disappears after powering off the charger. |
PART 2 Routine Check and Maintenance
1. Routine check: periodic checks are mainly carried out to ensure the normal operation of equipment. The check content mainly involves on-site charging stations, fire protection, environment, safety, etc. If non-equipment problems occur, please report to the owner for corresponding actions.
Please fill in the “Equipment Maintenance Record” to track the operation of the charging station.
2. Maintenance: Maintain the discovered problems and hidden dangers.
Equipment Maintenance Record
| No. | Type | No. | Content | Check Method | Recommended Frequency | Requirements | Results | |
| 1 | Solve problem of Fault/Alarm | 1 | Firmware upgrade/ replace spare parts/ confirmation | when there is a fault/alarm | 1. Please confirm spare parts specification before and after replacement; 2. please confirm firmware version before and after replacement. | Solved | Pending | |
| 2 | when there is a fault/alarm | Solved | Pending | |||||
| 3 | when there is a fault/alarm | Solved | Pending | |||||
| 2 | charging cable check | 4 | 1. Check whether the charging cable is in tact and whether replacement is required. 2. If the charging cable is damaged, please replace the charging cable. 3. After replacement is completed, please check the phase sequence of DC±, A±, S±, CC1 and PE, and please check whether the wiring of the charging cable is tight. | visual check wiring check | every 3 months | 1. after replacement is completed, please calibrate the charging cable. | Solved | Pending |
| 3 | dust filter check | 5 | Check the air inlet and outlet dust filters of the cabinet for blockage and clean them if necessary. The dust filter is a wearing part and needs to be replaced if it is damaged. | visual check | every month | 1. Clean and dry the dust filter before reinstalling it. | Solved | Pending |
| 4 | Site safety check | 6 | Are there any cracks in the exposed construction wiring? | visual check | every 3 months | Pass | Fail | |
| 7 | Is the on-site firefighting equipment fully equipped? | visual check | every 3 months | Pass | Fail | |||
| 8 | Are the vehicle barriers and anti-collision pillars in front of the charging station secure? | visual check | every 3 months | Pass | Fail | |||
| 9 | Is there serious water accumulation around the equipment? | visual check | every 3 months | Pass | Fail | |||
| 10 | If the charging station reports over temperature and the filter has serious dust accumulation, the dust filter needs to be cleaned/ replaced immediately. | visual check | every month | Pass | Fail | |||
| 5 | Function check | 11 | check whether the display screen is normal, the touch control is normal, and there is no screen blur or screen flickering. | visual check | every 3 months | Pass | Fail | |
| 12 | the mechanical lock on the charging cable connector is locked and released normally. | visual check/test | every 3 months | Pass | Fail | |||
| 13 | The power module works in normal state, the output is normal, there are no abnormal alarms, and the module fan makes no abnormal noise. | visual check/backend check | every 3 months | Pass | Fail | |||
| 14 | The charging stations are online, network communication is normal, QR code scan is normal. | display check/visual check | every 3 months | Pass | Fail | |||
| 15 | The lightning protector is normal, there is no breakdown, and the system has no alarms. | visual check | every 3 months | Pass | Fail | |||
| 16 | Anti-tipping, anti-water immersion device, and access control without error triggering | backend check | every 3 months | Pass | Fail | |||
| 6 | Cabinet check | 17 | there is no dust or painting on the charging station. there is no damage to the antenna. | visual check | every 3 months | Pass | Fail | |
| 18 | the charging station is installed vertically on the ground, not loose or tilted | visual check | every 3 months | Pass | Fail | |||
| 19 | the charging station cabinet, housing and door have no deforamtion, impact, damaged, paint peeling, rusts, scratches. | visual check | every 3 months | Pass | Fail | |||
| 20 | The QR codes or related logos, nameplates, etc. affixed to the charging stations are not faded or peeled off. | visual check | every 3 months | Pass | Fail | |||
| 21 | The charging cable is placed at its normal position, with no damage or serious wearness; the cable connectors are not loose or deformed. | visual check | every 3 months | Pass | Fail | |||
| 7 | Inside Cabinet check | 22 | The internal and external ground connections of the charging stations are reliable, without breakage, blackening, corrosion or damage. | visual check | every 3 months | Pass | Fail | |
| 23 | There are no abnormal sounds (such as buzzing) from the relays in the charging stations, and there is no peculiar smell or burning smell. | visual check/smell | every 3 months | Pass | Fail | |||
| 24 | There is no leakage, water stains, water accumulation, or rusty screws inside the charging station. | visual check | every 3 months | Pass | Fail | |||
| 25 | The cable inlet at the bottom of the charging station is tightly sealed with fireproof mud and has no cracks. | visual check | every 3 months | Pass | Fail | |||
| 26 | The terminals and wiring of the main control board of the charging station are not loose and inserted in place; the components are not damaged. | visual check | every 3 months | Pass | Fail | |||
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