Brand: HUAWEI
Category: Other
Document Type: Quick Start Guide
Language: EN
Quick Start Guide for 2.0MWH and 1.0MWH Series ESS
Uploaded: Nov. 21, 2025, 7:23 p.m.
Manual Publish Date: 2024-04-20
The manual provides guidance on the on-grid utility-scale energy storage solution, covering networking architecture, communication logic, and operation and maintenance (O&M) methods. It details installation, cable connections, system power-on, commissioning, and power-off procedures. The document also includes sections on working modes like peak shaving and multi-mode overlay, as well as reference documents, alarm lists, and contact information.
Troubleshooting and error codes
| ID | Alarm Name | Cause ID |
|---|---|---|
| 1140 | Array Black Start Failed | 2, 3, 4, 6, 7, 8 |
| 3013 | Communication Abnormal Between Battery Pack and Rack Controller | 2 |
| 3014 | Rack Controller Abnormal | 3 |
| 3015 | Battery Side Overvoltage on Rack Controller | 1 |
| 3016 | Battery Side Undervoltage on Rack Controller | 1 |
| 3017 | Battery Side Short Circuit on Rack Controller | 1 |
| 3018 | Battery Side Reverse Polarity on Rack Controller | 1 |
| 3019 | Bus Side Overvoltage on Rack Controller | 1 |
| 3020 | Bus Side Reverse Polarity on Rack Controller | 1 |
| 3021 | Insulation Resistance of Rack Controller Abnormal | 1 |
| 3022 | Rack Controller Temperature High | 1 |
| 3023 | Battery Terminal Overtemperature on Rack Controller | 1 |
| 3024 | Bus Terminal Overtemperature on Rack Controller | 1 |
| 3025 | Rack Controller Version Mismatch | 1 |
| 3027 | Battery Pack Monitoring Board Abnormal | 1, 21 |
| 3028 | Battery Pack Abnormal | 1, 6 |
| 3029 | Battery Pack Locked | 1, 2, 5 |
| 3030 | Battery Module Fan Fault | 1 |
| 3032 | Battery Pack Overvoltage | 1 |
| 3034 | Rack Controller Cable Connection Abnormal | 1, 2 |
| 3035 | Battery Pack Positions of Rack Controller Abnormal | 1 |
| 3036 | Optimization Unit of Battery Pack Abnormal | 1 |
| 3037 | Overtemperature on Optimization Unit of Battery Pack | 1 |
| 3038 | Overtemperature on Optimization Unit Terminal of Battery Pack | 1 |
| 3039 | Battery Pack Optimization Unit Version Mismatch | 1 |
| 3040 | Incorrect Bus Connection on Rack Controller | 1 |
| 3041 | Loose Connection of Battery Pack Copper Bar | 1 |
| 3042 | Rapid Shutdown Cable Connection of Rack Controller Abnormal | 1, 2, 3 |
| 3044 | Battery Pack Overcurrent | 1 |
| 3045 | Battery Pack Temperature High | 1 |
| 3046 | Battery Pack Temperature Low | 1 |
| 3047 | Battery Pack Undervoltage | 4 |
| 3052 | External DC Auxiliary Power Supply of Rack Controller Fault | 1 |
| 3054 | Rack Controller Temperature Abnormal | 2 |
| 3056 | Emergency Power-Off | 1 |
| 3058 | Version Incompatible Between Rack Controller and Battery Packs | 1 |
| 3060 | Incompatible ESM | 1 |
| 3800 | Water Alarm | 1, 2 |
| 3801 | Door Status Alarm | 1, 2, 3, 4, 5, 6 |
| 3802 | Fire Alarm | 2 |
| 3803 | Fire Suppression System Faulty | 1 |
| 3826 | Combustible Gas Alarm | 1 |
| 3827 | Ambient Temperature High | 1, 2 |
| 3830 | Temperature and Humidity Control Malfunction | 1 |
| 3849 | Air Exhaust Malfunction | 1, 2 |
| 3850 | Combustible Gas Detection Malfunction | 1 |
| 3856 | Battery Fault Protection | 1, 2 |
| 3858 | 48 V DC Auxiliary Power Supply Faulty | 1 |
| 3859 | Forced Dehumidification Started | 1 |