Brand: SIEMENS
Category: Control Unit
Document Type: Manual
Language: EN
Manual for 8DJ10/8DJ20
Uploaded: Nov. 21, 2025, 9:01 p.m.
Manual Publish Date: 2001-03-05
Warranty Information
The warranty is contained in the sales contract between the parties and is the sole warranty of Siemens.
Safety Instructions
Danger!
Personal injuries can occur if precautionary measures are not taken.
Caution!
Damage to property or environment can occur if precautionary measures are not taken.
Due application
The switchgear is designed for safe operation when used correctly. Perfect and safe operation is conditional on:
- Proper transportation and storage
- Correct installation and commissioning
- Diligent operation and maintenance by qualified personnel
- Observance of these instructions and site-specific safety instructions
Qualified personnel
Personnel must be familiar with assembly, installation, commissioning, maintenance, and operation, and possess appropriate qualifications.
- Training for switching on/off, earthing, and identifying power circuits.
- Training for care and use of safety equipment.
- Training in first aid and accident behavior.
Troubleshooting and error codes
| Problem | Possible Cause | Remedy |
|---|---|---|
| Red bar in switch position indicator (transformer feeder) | Switch-disconnector tripped by fuse link or shunt release. | Determine which protection device tripped and why. Clear the fault. Check readiness for service. Remove padlock. |
| Ready-for-service indicator in red area | Insufficient SF6 gas filling. | Do not operate the switch-disconnector if the feeder is live. Isolate and de-energize the switchgear. |
| Short-circuit indicator red | Short circuit with current exceeding operating threshold. | Determine and clear the cause of the short circuit. |