Condensing Gas Boilers Troubleshooting
These pages are used for screening Greenstar Boiler error codes.
The icons below may be on the display, however they are not error codes.
Greenstar Boiler Diagram
Greenstar Boiler Diagram
2 Greenstar Boiler Screening - A7 Code
2 Greenstar Boiler Screening - A7 Code
2.1 Tech Support Enhanced Screening
2.1.1 ISM Notes
|
General Reason |
CC-GRN |
|
Specific Reason |
CC-A7 |
2.1.2 Error Code Information
| Error Code | A7 |
|---|---|
| Error Code Meaning | DHW temperature sensor defective. |
| Possible Causes |
Broken wire to sensor Failed sensor Incorrect code plug |
2.1.3 Tools Needed
Digital Multi-meter
2.1.4 Enhanced Screening Questions (What to do?)
Answer all question noted in ISM and transfer to the technical support specialists if the caller is on site and had the required tools.