Need help?Do you have a question about the Vaillant COMBlcompact VCW 242E and is the answer not in the manual?
General| Mounting | Wall-mounted |
|---|---|
| Output | 24 kW |
| Fuel Type | Natural Gas |
| Max working pressure | 3 bar |
| Type | Combi |
| Boiler Type | Combi |
Details the components and functions of the front control panel, including indicator lights and switches.
Verifies the 240v AC supply and checks appliance fuses for continuity and operation.
Diagnoses fan issues by checking reset buttons, potentiometer, time delay, fuses, thermostats, and NTC sensors.
Assesses pump functionality by checking voltage, rotation, and external control signals.
Troubleshoots ignition failures by checking microswitches, fan pressure switch, flue installation, and fan operation.
Investigates burner light and stability issues, checking gas supply, differential valve, gas operator, and spark generator.
Diagnoses issues with burner modulation to high fire rate, checking gas pressure and diaphragm pump.
Verifies domestic hot water operation for VCW models, checking demand, water section, microswitch, and diverter valve.
Troubleshoots pilot light issues by examining gas supply, injector, ignitor, thermocouple, and overheat thermostat.
Checks for correct operation of the main power switch neon and verifies appliance and spur fuses.
Confirms pump operation by checking voltage, rotation, and availability of power for external controls.
Assesses hydraulic system integrity, checking diverter valve, differential valve, and system pressure.
Diagnoses burner lighting failures by checking potentiometer, time delay, overheat thermostats, NTC sensor, and microswitches.
Evaluates burner modulation to low fire and shut-off, testing NTC/electronic board and gas operator.
To Next Page