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Table of Contents
Warning .......................................................................................................................................................... 3
General product information ......................................................................................................................... 4
Technical data ................................................................................................................................................ 5
Wiring Diagram ...............................................................................................................................................
Troubleshooting ..............................................................................................................................................
Root clause analysis ........................................................................................................................................
1. Heating Elements checking .................................................................................................................
2. TRIAC checking ..................................................................................................................................
3. Flow Switch checking ........................................................................................................................
4. Control PCB checking ........................................................................................................................
5. Thermostat checking .........................................................................................................................
6. ELCB checking....................................................................................................................................
7. ELCB function testing ........................................................................................................................
8. System comfirm ................................................................................................................................