| Alarm ID | Alarm name | Alarm type | CSS type | Alarm severity |
| ALM-25600 | Monitoring Device Maintenance Link Failure | Fault | Communication | Major |
| ALM-25601 | Monitoring Device Hardware Fault | Fault | Hardware | Major |
| ALM-25602 | Sensor Failure | Fault | Hardware | Major |
| ALM-25620 | Monitoring Device Power Supply Problem | Fault | Hardware | Major |
| ALM-25621 | Power Supply DC Output Out of Range | Fault | Power | Major |
| ALM-25622 | Mains Input Out of Range | Fault | Power | Major |
| ALM-25623 | Load Disconnected | Fault | Power | Warning |
| ALM-25624 | Battery Power Unavailable | Fault | Power | Warning |
| ALM-25625 | Battery Current Out of Range | Fault | Power | Major |
| ALM-25626 | Power Module Abnormal | Fault | Power | Warning |
| ALM-25628 | AC Surge Protector Fault | Fault | Power | Major |
| ALM-25630 | Power Module and Monitoring Module Communication Failure | Fault | Power | Major |
| ALM-25631 | Load Fuse Broken | Fault | Power | Major |
| ALM-25632 | Battery Cabin Heater Fault | Fault | Power | Major |
| ALM-25633 | PMU Internal Interface Communication Failure | Fault | Power | Major |
| ALM-25634 | Battery Not In Position | Fault | Power | Major |
| ALM-25650 | Ambient Temperature Unacceptable | Fault | Environment | Minor |
| ALM-25651 | Ambient Humidity Unacceptable | Fault | Environment | Minor |
| ALM-25652 | Cabinet Temperature Unacceptable | Fault | Environment | Minor |
| ALM-25653 | Cabinet Humidity Unacceptable | Fault | Environment | Minor |
| ALM-25654 | Battery Temperature Unacceptable | Fault | Power | Minor |
| ALM-25655 | Cabinet Air Outlet Temperature Unacceptable | Fault | Environment | Minor |
| ALM-25656 | Cabinet Air Inlet Temperature Unacceptable | Fault | Environment | Minor |
| ALM-25657 | TEC Cooler Fault | Fault | Environment | Major |
| ALM-25670 | Water Alarm | Fault | Environment | Critical |
| ALM-25671 | Smoke Alarm | Fault | Environment | Critical |
| ALM-25672 | Burglar Alarm | Fault | Environment | Critical |
| ALM-25673 | Fan Stalled | Fault | Hardware | Major |
| ALM-25696 | Diesel Generator Low Fuel | Fault | Hardware | Major |
| ALM-25697 | Diesel Generator Startup Failure | Fault | Hardware | Major |
| ALM-25710 | Loss of Solar Array | Fault | Hardware | Major |
| ALM-25711 | Solar Array Fault | Fault | Hardware | Major |
| ALM-25713 | Solar Controller Temperature Unacceptable | Fault | Hardware | Minor |
| ALM-25800 | E1/T1 Loss of Signal | Fault | Trunk | Major |
| ALM-25801 | E1/T1 Alarm Indication Signal | Fault | Trunk | Major |
| ALM-25802 | E1/T1 Remote Alarm Indication Signal | Fault | Trunk | Minor |
| ALM-25803 | E1/T1 Loss of Frame Alignment | Fault | Trunk | Major |
| ALM-25804 | E1/T1 Loss of Multiframe Alignment | Fault | Trunk | Minor |
| ALM-25805 | E1/T1 Excessive Slip Frames | Fault | Trunk | Minor |
| ALM-25806 | E1/T1 Excessive Bit Error Rate | Fault | Trunk | Minor |
| ALM-25807 | E1/T1 Loopback | Fault | Trunk | Minor |
| ALM-25820 | Fractional ATM Link Loss of Cell Delineation | Fault | Trunk | Major |
| ALM-25821 | IMA/ATM Link Loss of Cell Delineation | Fault | Trunk | Major |
| ALM-25823 | IMA Link Loss of Frame | Fault | Trunk | Major |
| ALM-25824 | IMA Link Out of Delay Synchronization | Fault | Trunk | Major |
| ALM-25825 | IMA Link Remote Failure Indication | Fault | Trunk | Minor |
| ALM-25826 | IMA Link RX Fault | Fault | Trunk | Major |
| ALM-25827 | IMA Link TX Unusable at Far End | Fault | Trunk | Minor |
| ALM-25828 | IMA Link RX Unusable at Far End | Fault | Trunk | Minor |
| ALM-25829 | IMA Group Startup at Far End | Fault | Trunk | Minor |
| ALM-25830 | IMA Group Configuration Aborted | Fault | Trunk | Major |
| ALM-25831 | IMA Group Configuration Aborted at Far End | Fault | Trunk | Minor |
| ALM-25832 | IMA Group Activated Links Insufficient | Fault | Trunk | Major |
| ALM-25833 | IMA Group Activated Links Insufficient at Far End | Fault | Trunk | Minor |
| ALM-25834 | IMA Group Blocked at Far End | Fault | Trunk | Minor |
| ALM-25835 | NCP Fault | Fault | Communication | Major |
| ALM-25836 | CCP Fault | Fault | Communication | Major |
| ALM-25837 | ALCAP Fault | Fault | Signaling | Major |
| ALM-25838 | AAL2 Path Fault | Fault | Trunk | Major |
| ALM-25840 | SAAL Link Fault | Fault | Trunk | Major |
| ALM-25841 | SAAL Link Congestion | Fault | Trunk | Major |
| ALM-25860 | PPP/MLPPP Link Fault | Fault | Trunk | Major |
| ALM-25861 | MLPPP Group Fault | Fault | Trunk | Major |
| ALM-25862 | MLPPP Group Excessive Packet Loss Rate | Fault | Trunk | Minor |
| ALM-25880 | Ethernet Link Fault | Fault | Trunk | Major |
| ALM-25881 | MAC Excessive Frame Error Rate | Fault | Trunk | Minor |
| ALM-25882 | ETHOAM 3AH Discovery Failure | Fault | Trunk | Minor |
| ALM-25885 | IP Address Conflict | Fault | Trunk | Minor |
| ALM-25886 | IP Path Fault | Fault | Trunk | Major |
| ALM-25887 | Ethernet Trunk Link Fault | Fault | Trunk | Minor |
| ALM-25888 | SCTP Link Fault | Fault | Trunk | Major |
| ALM-25889 | SCTP Link Congestion | Fault | Trunk | Minor |
| EVT-25890 | SCTP Link Path Switchover | Event | Trunk | Minor |
| EVT-25893 | Remote Maintenance Link Switchover | Event | Trunk | Minor |
| ALM-25895 | Ethernet Trunk Group Fault | Fault | Trunk | Major |
| ALM-25896 | IP Remote Loopback | Fault | Trunk | Major |
| ALM-25897 | IP Excessive Frame Error Rate | Fault | Trunk | Minor |
| ALM-25898 | IP Path Excessive Packet Loss Rate | Fault | Trunk | Minor |
| ALM-25899 | BFD Session Fault | Fault | Trunk | Minor |
| ALM-25900 | IP PM Activation Failure | Fault | Trunk | Minor |
| ALM-25901 | Remote Maintenance Link Failure | Fault | Trunk | Major |
| ALM-25902 | Remote Maintenance Link Running Data and Configuration Mismatch | Fault | Trunk | Minor |
| ALM-25920 | SDH/SONET Loss of Frame Alignment | Fault | Trunk | Major |
| ALM-25921 | SDH/SONET Loss of Frame | Fault | Trunk | Major |
| ALM-25922 | SDH/SONET Loss of Signal | Fault | Trunk | Major |
| ALM-25923 | SDH/SONET AU Loss of Pointer | Fault | Trunk | Major |
| ALM-25924 | SDH/SONET MS Alarm Indication Signal | Fault | Trunk | Major |
| ALM-25925 | SDH/SONET MS Remote Defect Indication | Fault | Trunk | Major |
| ALM-25926 | SDH/SONET Loss of Cell Delineation | Fault | Trunk | Major |
| ALM-25927 | SDH/SONET Optical Port Loopback | Fault | Trunk | Warning |
| ALM-25928 | SDH/SONET RS Trace Identifier Mismatch | Fault | Trunk | Minor |
| ALM-25929 | SDH/SONET RS Excessive Bit Error Rate | Fault | Trunk | Minor |
| ALM-25930 | SDH/SONET MS Excessive Bit Error Rate | Fault | Trunk | Minor |
| ALM-25931 | SDH/SONET MS Signal Degraded | Fault | Trunk | Major |
| ALM-25932 | SDH/SONET MS Remote Error Indication | Fault | Trunk | Major |
| ALM-25933 | SDH/SONET AU Alarm Indication Signal | Fault | Trunk | Major |
| ALM-25934 | SDH/SONET HP Unequipped Defect | Fault | Trunk | Major |
| ALM-25935 | SDH/SONET HP Signal Label Mismatch | Fault | Trunk | Minor |
| ALM-25936 | SDH/SONET HP Trace Identifier Mismatch | Fault | Trunk | Minor |
| ALM-25937 | SDH/SONET HP Remote Defect Indication | Fault | Trunk | Major |
| ALM-25938 | SDH/SONET HP Remote Error Indication | Fault | Trunk | Major |
| ALM-26101 | Inter-Board CANBUS Communication Failure | Fault | Hardware | Minor |
| ALM-26104 | Board Temperature Unacceptable | Fault | Environment | Minor |
| ALM-26106 | Board Clock Input Unavailable | Fault | Hardware | Major |
| ALM-26107 | Board Input Voltage Out of Range | Fault | Hardware | Major |
| ALM-26110 | BBU Fan Stalled | Fault | Hardware | Major |
| ALM-26111 | BBU Fan Not at Full Speed | Fault | Hardware | Major |
| ALM-26112 | BBU DC Output Out of Range | Fault | Power | Major |
| ALM-26121 | GPS Antenna Fault | Fault | Hardware | Minor |
| ALM-26122 | GPS Locked Satellites Insufficient | Fault | Running | Minor |
| ALM-26123 | GPS Maintenance Link Failure | Fault | Running | Minor |
| ALM-26200 | Board Hardware Fault | Fault | Hardware | Minor |
| ALM-26201 | Board Memory Soft Failure | Fault | Hardware | Minor |
| ALM-26202 | Board Overload | Fault | Running | Warning |
| ALM-26203 | Board Software Program Error | Fault | Running | Major |
| ALM-26204 | Board Not In Position | Fault | Hardware | Major |
| ALM-26205 | BBU Board Maintenance Link Failure | Fault | Hardware | Major |
| ALM-26206 | Main Control Board in Wrong Slot | Fault | Hardware | Major |
| ALM-26208 | Board File System Damaged | Fault | Hardware | Major |
| ALM-26210 | Board Blocked | Fault | Running | Major |
| EVT-26212 | Board Startup | Event | Running | Minor |
| EVT-26213 | NE Startup | Event | Running | Minor |
| ALM-26216 | Board Not Securely Installed | Fault | Hardware | Major |
| ALM-26221 | Transmission Optical Module Not In Position | Fault | Hardware | Major |
| ALM-26230 | BBU CPRI Optical Module Fault | Fault | Hardware | Minor |
| ALM-26231 | BBU CPRI Optical Module or Electrical Port Not Ready | Fault | Hardware | Major |
| ALM-26232 | BBU Optical Module Transmit/Receive Fault | Fault | Hardware | Major |
| ALM-26233 | BBU CPRI Optical Interface Performance Degraded | Fault | Hardware | Minor |
| ALM-26234 | BBU CPRI Interface Error | Fault | Hardware | Major |
| ALM-26235 | RF Unit Maintenance Link Failure | Fault | Hardware | Major |
| ALM-26236 | RRU Cascading Levels and Configuration Mismatch | Fault | Hardware | Major |
| ALM-26237 | RRU Network Breakpoint | Fault | Hardware | Major |
| ALM-26238 | RRU Network Topology Type and Configuration Mismatch | Fault | Hardware | Major |
| ALM-26241 | Configuration File Update Failure | Fault | Running | Major |
| ALM-26242 | Configuration File Damaged | Fault | Running | Major |
| ALM-26245 | Configuration Data Inconsistency | Fault | Running | Major |
| ALM-26250 | Active Workspace Version Unavailable | Fault | Running | Major |
| ALM-26251 | Board Type and Configuration Mismatch | Fault | Running | Major |
| ALM-26253 | Board Software Auto-Supply Failure | Fault | Running | Major |
| ALM-26254 | Board Software Synchronization Failure | Fault | Running | Major |
| ALM-26255 | Automatic Version Rollback | Fault | Running | Major |
| EVT-26256 | NE Software Download Started | Event | Running | Warning |
| EVT-26257 | NE Software Download Ended | Event | Running | Warning |
| EVT-26258 | NE Software Activation Started | Event | Running | Warning |
| EVT-26259 | NE Software Activation Ended | Event | Running | Warning |
| ALM-26260 | System Clock Failure | Fault | Hardware | Major |
| ALM-26262 | External Clock Reference Problem | Fault | Hardware | Minor |
| ALM-26263 | IP Clock Link Failure | Fault | Hardware | Minor |
| ALM-26264 | System Clock Unlocked | Fault | Hardware | Minor |
| ALM-26265 | Base Station Frame Number Synchronization Error | Fault | Hardware | Major |
| ALM-26266 | Time Synchronization Failure | Fault | Communication | Minor |
| ALM-26270 | Inter-System Communication Failure | Fault | Hardware | Major |
| ALM-26271 | Inter-System Monitoring Device Parameter Settings Conflict | Fault | Running | Warning |
| ALM-26272 | Inter-System RF Unit Parameter Settings Conflict | Fault | Running | Warning |
| ALM-26273 | Inter-System BBU Board Parameter Settings Conflict | Fault | Running | Warning |
| ALM-26274 | Inter-System Board Object Configuration Conflict | Fault | Running | Major |
| ALM-26275 | Inter-System Cabinet Configuration Conflict | Fault | Running | Minor |
| ALM-26276 | Inter-System Site-Level Configuration Conflict | Fault | Running | Major |
| ALM-26277 | Inter-System Control Rights Conflict | Fault | Running | Major |
| ALM-26278 | RF Unit Working Mode and Mode Capability Inconsistency | Fault | Hardware | Major |
| ALM-26501 | RF Unit Optical Module or Electrical Port Not Ready | Fault | Communication | Major |
| ALM-26502 | RF Unit Optical Module Type Mismatch | Fault | Communication | Major |
| ALM-26503 | RF Unit Optical Module Transmit/Receive Fault | Fault | Communication | Major |
| ALM-26504 | RF Unit CPRI Interface Error | Fault | Communication | Major |
| EVT-26505 | RF Unit CPRI Interface Switchover | Event | Communication | Minor |
| ALM-26506 | RF Unit Optical Interface Performance Degraded | Fault | Communication | Major |
| ALM-26507 | RF Unit Optical Module Fault | Fault | Communication | Minor |
| ALM-26520 | RF Unit TX Channel Gain Out of Range | Fault | Hardware | Minor |
| ALM-26521 | RF Unit RX Channel RTWP/RSSI Too Low | Fault | Hardware | Minor |
| ALM-26522 | RF Unit RX Channel RTWP/RSSI Unbalanced | Fault | Hardware | Minor |
| ALM-26523 | RF Unit RX Channel RTWP/RSSI Too High | Fault | Hardware | Minor |
| ALM-26524 | RF Unit PA Overcurrent | Fault | Hardware | Major |
| ALM-26525 | RF Unit Temperature Unacceptable | Fault | Hardware | Minor |
| EVT-26526 | RF Unit TX Channel Switched Off | Event | Hardware | Major |
| ALM-26527 | RF Unit Input Power Out of Range | Fault | Hardware | Major |
| EVT-26528 | RF Unit TX Channel Switched On | Event | Hardware | Minor |
| ALM-26529 | RF Unit VSWR Threshold Crossed | Fault | Hardware | Minor |
| ALM-26530 | RF Unit ALD Current Out of Range | Fault | Hardware | Warning |
| ALM-26531 | RF Unit ALD Switch Configuration Mismatch | Fault | Hardware | Minor |
| ALM-26532 | RF Unit Hardware Fault | Fault | Hardware | Minor |
| ALM-26533 | RF Unit Software Program Error | Fault | Running | Major |
| ALM-26534 | RF Unit Overload | Fault | Running | Minor |
| EVT-26535 | RF Unit Startup | Event | Hardware | Minor |
| ALM-26536 | RF Unit Multi-Mode Configuration Conflict | Fault | Running | Minor |
| ALM-26538 | RF Unit Clock Problem | Fault | Hardware | Major |
| ALM-26540 | RF Unit AC Input Power Failure | Fault | Power | Major |
| ALM-26541 | ALD Maintenance Link Failure | Fault | Communication | Major |
| ALM-26542 | RF Unit Backup Power Device Maintenance Link Failure | Fault | Communication | Major |
| ALM-26543 | RF Unit External Device Maintenance Link Failure | Fault | Communication | Major |
| ALM-26544 | RF Unit Power Surge Protector Fault | Fault | Hardware | Major |
| ALM-26545 | RF Unit TX Channel Switched Off Through Command | Fault | Running | Warning |
| ALM-26751 | RET Antenna Motor Fault | Fault | Hardware | Minor |
| ALM-26752 | ALD Hardware Fault | Fault | Hardware | Minor |
| ALM-26753 | RET Antenna Not Calibrated | Fault | Hardware | Minor |
| ALM-26754 | RET Antenna Data Loss | Fault | Hardware | Minor |
| ALM-26755 | TMA Bypass | Fault | Hardware | Major |
| ALM-26756 | SASU VSWR Threshold Crossed | Fault | Hardware | Major |
| ALM-26757 | RET Antenna Running Data and Configuration Mismatch | Fault | Hardware | Minor |
| ALM-26758 | TMA Running Data and Configuration Mismatch | Fault | Hardware | Minor |
| ALM-26759 | SASU Running Data and Configuration Mismatch | Fault | Hardware | Minor |
| ALM-26760 | SASU Bypass | Fault | Hardware | Major |
| ALM-26765 | RHUB Hardware Fault | Fault | Hardware | Minor |
| ALM-26766 | RHUB Software Program Error | Fault | Running | Major |
| ALM-26767 | RHUB Overload | Fault | Running | Minor |
| ALM-26768 | RHUB Clock Problem | Fault | Hardware | Major |
| ALM-26774 | RHUB AC/DC Maintenance Link Failure | Fault | Hardware | Major |
| ALM-26775 | RHUB AC/DC Module Problem | Fault | Hardware | Major |
| ALM-26776 | RHUB PSE Power Supply Failure | Fault | Hardware | Major |
| ALM-26777 | RHUB PSE Fault | Fault | Hardware | Major |
| ALM-26780 | RHUB Optical Module or Electrical Port Not Ready | Fault | Communication | Major |
| ALM-26781 | RHUB Optical Module Type Mismatch | Fault | Communication | Major |
| ALM-26782 | RHUB Optical Module Transmit/Receive Fault | Fault | Communication | Major |
| ALM-26783 | RHUB CPRI Interface Error | Fault | Communication | Major |
| EVT-26784 | RHUB CPRI Interface Switchover | Event | Communication | Minor |
| ALM-26785 | RHUB Optical Interface Performance Degraded | Fault | Communication | Minor |
| ALM-26786 | RHUB Optical Module Fault | Fault | Communication | Minor |
| ALM-26787 | RHUB-PRRU CPRI Interface Error | Fault | Communication | Major |
| ALM-26810 | License Data Loss | Fault | Running | Major |
| ALM-26811 | Configured Capacity Limit Exceeding Licensed Limit | Fault | Running | Major |
| ALM-26812 | System Dynamic Traffic Exceeding Licensed Limit | Fault | Running | Major |
| ALM-26813 | Emergent License Points Insufficient | Fault | Running | Major |
| EVT-26814 | Emergent License Point Used | Event | Running | Warning |
| EVT-28200 | Iub Common Procedure Failure Indication | Event | Running | Major |
| ALM-28201 | Local Cell Blocked | Fault | QoS | Minor |
| EVT-28202 | Local Cell Rebuild | Event | QoS | Major |
| ALM-28203 | Local Cell Unusable | Fault | QoS | Major |
| ALM-28204 | Cell DL Load Simulation Startup | Fault | QoS | Minor |
| ALM-28205 | Cell Output Power too Low | Fault | QoS | Minor |
| ALM-28206 | Local Cell Capability Decline | Fault | QoS | Major |
| ALM-28207 | Carrier Wave Share Failure | Fault | QoS | Minor |
| ALM-28209 | Cell No Traffic | Fault | QoS | Minor |
| ALM-28210 | Frequency Separation Configuration Mismatch | Fault | QoS | Minor |
| ALM-28244 | GPS Receiver Hardware Fault | Fault | Hardware | Minor |
| ALM-28245 | GPS Receiver Antenna Power Problem | Fault | Hardware | Minor |
| ALM-28246 | GPS Receiver Antenna Fault | Fault | Hardware | Minor |
| ALM-28247 | GPS Receiver Software Program Error | Fault | Hardware | Minor |
| ALM-28248 | GPS Receiver Position Not Locked | Fault | Hardware | Minor |
| ALM-28249 | GPS Receiver Maintenance Link Failure | Fault | Communication | Minor |
| ALM-28250 | GPS Receiver Initialization Configuration Failure | Fault | Hardware | Minor |
| EVT-28251 | Ethernet Configuration Changed | Event | Running | Minor |
| EVT-28252 | IP RAN Object Reset | Event | Trunk | Major |
| ALM-28253 | Ethernet Link Abnormal | Fault | Trunk | Major |
| ALM-28254 | BOOTP Startup | Fault | Communication | Major |
| ALM-28255 | Transport Configuration Failure | Fault | Running | Major |
| ALM-28300 | Board Uplink Service Processing Channel Abnormal | Fault | Hardware | Major |
| ALM-28301 | Board Downlink Service Processing Channel Abnormal | Fault | Hardware | Minor |
| ALM-28302 | Board BFN Abnormal | Fault | Hardware | Major |
| ALM-28303 | WBBP-WBBP Interface Abnormal | Fault | Hardware | Major |
| ALM-28329 | RF Unit Input Power Abnormal | Fault | Hardware | Major |
| ALM-28330 | RF Unit Over Backward Power Alarm | Fault | Hardware | Major |
| ALM-28350 | Board Configuration Inconsistent with Resource Group Configuration | Fault | Running | Major |
| EVT-28352 | Enable Downloaded Configuration File | Event | Running | Minor |
| EVT-28353 | Disable Downloaded Configuration File | Event | Running | Minor |
| ALM-28354 | Transport Backup Not Support | Fault | Running | Major |
| ALM-28355 | Data Configuration File Error | Fault | Running | Major |
| EVT-28380 | NE Shutdown | Event | Running | Major |
| ALM-28381 | Board Startup Abnormal Alarm | Fault | Running | Major |
| ALM-65033~ALM-65233 | External Analog/Boolean Alarm | Fault | Environment | Major |
