Routine Maintenance & Care
1. Routine Inspection
1.1 Check the pressure of the heating system. The pressure gauge should read between 0.5 and 2 bar.
1.2 Check whether the gas pipeline and flue are loose, damaged, or blocked.
1.3 Check whether the display shows any fault or error code. If so, contact qualified service personnel.
1.4 After each heating season, switch the appliance operating mode to domestic hot water.
1.5 Before each heating season, have the appliance inspected and maintained by qualified service personnel.
2. Troubleshooting
2.1 If a fault occurs, stop using the appliance immediately, identify the cause, and take appropriate action.
2.2 If the cause cannot be identified, or if the fault remains after corrective measures, contact qualified service personnel before using the appliance again.
2.3 For common fault codes and troubleshooting methods, please refer to the previous page.
3. Routine Care
3.1 Disconnect the power supply before cleaning the appliance. Do not use corrosive cleaning agents.
3.2 In hard water areas where calcium and magnesium compounds exceed 450 mg/L, professional descaling agents are recommended.
3.3 Keep the appliance dry whenever possible. If it will not be used for a long period, drain the system and shut off both gas and power.
3.4 After inspection or maintenance, check the appliance for water or gas leaks.