Service Modes, Error Codes and Fault Finding
Index:
1. Test points.
2. Service Modes.
3. Problems and Solving Tips (related to CSM).
4. ComPair.
5. Error Codes.
6. The Blinking LED Procedure.
7. Protections.
8. Repair Tips.
Supporting Overviews
• I2C-IC overview
• Test points overview Main Panel
• Test points overview CRT Panel
Test Points
The chassis is equipped with test points printed on the circuit board assemblies. These
test points refer to the functional blocks: