Fault mapping and knowledge base
Starting from observable symptoms,
Completion of security checks, evidence collection and correct upgrading
Guided failure diagnostic framework for qualified LARGE BESS users. First, the equipment is identified and the security border is secured, then evidence is collected, judged and restored, and it is immediately upgraded beyond the mandate.
Important hints
This platform cannot replace any power outage, discharge or high-risk operational guidance. (a) All on-site and high-pressure operations must be performed by authorized personnel;
Troubleshooting process overview
Symptom-led diagnostic tree (example)
System entry
Symptoms of system access: system inoperableCurrent equipment available for security check
System domain (level I classification)
Security checks and verification
Evidence gathering
Next
- Check BMS operational status and alarm.
- Check battery cabinet doors and security.
- Confirm SOC / SOH are within permitted range
- Check insulation and high-voltage interlock status
Log Export
Live photos
Measurement records
Trends / Waves
- Identification of grid-connected conditions and external permit status
- Check conversion-side and communications-side status
- Confirm PCS has no protective lockout
- Check IGBT and power control.
Log Export
Faultshot
Measurement records
Electricity / voltage Wave
- Check temperature sensors and setpoints
- Confirm cooling-pump / fan operating status
- Check the valves and the fluids.
- Make sure the cooling system is clear.
Log Export
Live photos
Measurement records
Temperature Trends
- Confirm physical interlock status.
- Check switch and light module state
- Check IP / VLAN/ Route Configuration
- Check for timing and communication quality
Communications log
Link Status
Network records
Drop Package / Delay
- Confirm fire alarm mainframe status.
- Verify smoke/ temperature for action
- Confirming fire-fighting and emergency.
- No fire protection around.
Alarm Log
Live photos
Fire host records
Associated events
Can be checked within safety boundaries
Continue as additional information is required
Beyond safety boundaries — escalate
Safety boundaries and escalation principles
Stopped, authorized, validated.
- An on-site emergency response process is immediately implemented and upgraded.
- Direct upgrades involving high-voltage charge, disassembly, rewrite parameters or protection sideways outside the guidance of this platform.
- It is not possible to confirm the state of the system or the insufficient evidence.
- Repeated or unrecoverable malfunctions Create worksheets and hand over professional support.
Example of evidence collection It's complete and recapable.
Log Export
Export system logs, event logs, alarm history
10:22:01System ReadyINFO
10:22:06PCS EnableINFO
10:22:09HV Interlock OpenALARM
10:22:10BMS Permit LostWARN
10:22:14Command RejectedWARN
10:22:18Safety StateINFO
10:22:22Record CompleteINFO
Recommendation: Include pre- and post- alarm time window and system status.
Live photos
Camera equipment appearance, state lights and key locations
Recommendation: Clear, complete and include identifiable equipment locations.
Measurement records
Measurements of voltage, current, temperature, etc. at critical points
DC Voltage1072 V
DC Current0.0 A
Pack Temp26.3°C
Insulation2.8 MΩ
AC Voltage690 V
SOC51.8%
Recommendation: Mark measurement points, instruments, timescales and measurements.
Curve / Wave
Key electrical volume trends or wave amplification
Recommendation: Contains coordinates, Quantities, time benchmarks and trigger conditions.
Possible causes
Example of a search based on current evidence
| # | Possible causes | Confidence | Critical evidence | Suggested next steps |
|---|---|---|---|---|
| 1 | High pressure interlocks are not met or interfaces open | High | Interlock abnormal, no start-up license. | Check the chain and state of the scene. |
| 2 | PCS netting conditions are not met | Medium | Network permission missing, protected unreverted | Verification of grid conditions and state of protection |
| 3 | BMS start-up licence not established | Medium | BMS alarm or security anomaly | Reconfirm after BMS alert. |
| 4 | Communication link or EMS command anomaly | Low | EMS failed or equipment offline | Check EMS communication links. |
Process path to resolve or upgrade
All disposals are subject to a secure border and mandate
♢ Resolvable (within safety boundaries)
- Implementing inspection guidelines
- Verification results
- Reactivate and observe
→
Resolved
Record results
Record results
• Need for upgrade (over or unpositioned)
- Create worksheet and upload evidence
- Completion of site information and impact assessment
- Confirm upgradeer and responder window
→
Upgraded
Professional team processing
Professional team processing
Knowledge feedback and knowledge base life cycle
Each failure will add value to the knowledge base.
Let's get it on every check.
It is a symptom-driven, safe, systematic and retroactive solution.