Vogue Max Combi 40

• PCB just been replaced?
• Boiler and CH/DHW system filled with water and all Isolation, System Filter and Radiator Valves open?
• Flow/Return Differential across the boiler in excess of 30°C?
• Pump is rotating freely?

Restart Boiler Fill and vent the system and open all Isolation Valves, then Restart the Boiler Check the Flow and Return Thermistors (refer to Sections 4.7 & 4.9) Replace the Pump, then Restart the Boiler

• Boiler Restarted, does it ignite for a short time and then Extinguish?
• Gas Pressure available at the boiler > 18mBar?
• 24Vdc available at the Gas Valve during ignition?
• resistance between the pins between 1kΩ and 10kΩ (Gas Valve unplugged)?
• Spark Generator and associated Harness functioning correctly?
• Ignition Electrode and associated Harness functioning correctly?
• Syphon and condensate drain pipework blocked?

Check other gas appliances work If pre-payment meter check credit If not, contact gas supplier Restart boiler.

Check the Detection Electrode and associated Harness for continuity, visual condition and position (refer to Section 3.16). Check if the Condensate Pipe is Blocked. Check Gas Supply and rectify fault Check wiring from Gas Valve to PCB and replace if necessary, otherwise replace the main PCB Replace Gas Valve Replace Spark Generator and Harness as necessary Replace Ignition Electrode and associated Harness as necessary Replace Gas Valve

• Boiler Ignite for a short time and then Extinguish?
• Gas Pressure available at the boiler > 18 mbar?
• 24Vdc available at the Gas Valve during ignition?
• Spark Generator and associated Harness functioning correctly?
• Ignition Electrode and associated Harness functioning correctly?
• Syphon and condensate drain pipework blocked?

Check the Detection Electrode and associated Harness for continuity, visual condition and position. Check if the Condensate Pipe is blocked. Check if the Flue is blocked. Replace as necessary Check Gas Supply and rectify fault Check wiring from Gas Valve to PCB and replace if necessary, otherwise replace the main PCB Replace Spark Generator and Harness as necessary Replace Ignition Electrode and associated Harness as necessary Replace Gas Valve

• 2 way electrical connection to the thermal fuse is pushed fully home and that the 8 way connector is properly connected to the primary PCB?
• continuity across the black and yellow wires in pins 1 and 2 (8 way connector disconnected)?
• continuity across the thermal fuse (electrical connection disconnected)?

Press RESTART, then power cycle the boiler.

Replace the primary PCB Replace the wiring from the PCB to the thermal fuse Replace the heat exchanger

Turn power off and on

• electrical connection to the Flame Sense Electrode. Is there continuity between the Electrode and earth?

Check integrity of wiring from primary PCB to Flame Sense electrode, replace if deteriorated. Check condition of Flame Sense Electrode and replace if deteriorated Replace Flame Detection Electrode Replace wiring from primary PCB to flame sense electrode

• resistance using a suitable multimeter connected across the thermistor's terminal pins (At 25°C expect 9,700 - 10,300 Ω, At 60°C expect 2,400 - 2,600 Ω, At 85°C expect 1,000 - 1,100 Ω)?
• continuity in the wiring from the primary PCB to the Thermistor?

Fit a new thermistor Replace wiring from flow thermistor to primary PCB Replace primary PCB

• wiring securely connected at both the boiler and Outside Sensor?
• resistance using a suitable multimeter connected across the thermistor's terminal pins (At 0°C expect 31,000 - 35,300 Ω, At 15°C expect 15,000 - 16,500 Ω, At 30°C expect 7,700 - 8,500 Ω)?
• Outside Sensor wiring between the boiler terminal strip and the PCB have continuity and is it securely connected?

Securely connect the wiring at both the boiler and Outside Sensor Fit a new outside sensor Ensure the wiring has continuity and is securely connected Replace main PCB

• resistance using a suitable multimeter connected across the thermistor's terminal pins (At 25°C expect 9,700 - 10,300 Ω, At 60°C expect 2,400 - 2,600 Ω, At 85°C expect 1,000 - 1,100 Ω)?
• continuity in the wiring from the primary PCB to the Thermistor?

Fit a new thermistor Replace wiring from flow thermistor to primary PCB Replace primary PCB

• wiring from the Fan to the PCB have secure connections at both ends and has not deteriorated? Does the wiring have continuity?
• 230Vac at the blue and brown connections to the 3 way connection on the Fan?

Rectify wiring & connections Replace main PCB Replace Fan

• boiler and CH system filled with water and all Isolation and Radiator Valves open?
• wiring from the Water Pressure Switch to the PCB have continuity and is it securely connected?

With boiler off & system cold fill system to between 1.0 & 1.5 bar (Press PICTURE to see how) Bleed radiators then refill If fault persists contact Ideal (01482 498660) If pressure loss re-occurs contact installer

Fill and vent the system and open all Isolation Valves Ensure wiring has continuity and is securely connected Replace Water Pressure Switch

Check if Flow Thermistor correctly clipped to pipe Replace Flow Thermistor

• boiler and CH system filled with water and all Isolation, System Filter and Radiator Valves open?
• mains wiring from the Pump to the main PCB have continuity and is it securely connected (6 way connector X2)?
• 230V to the Pump?

Fill and vent the system and open all Isolation Valves Ensure wiring has continuity and is securely connected Replace Main PCB Replace Pump

Restart boiler by pressing RESTART

Unblock Pump

• wiring from the Primary PCB to the User interface PCB is securely connected at both ends?
• power Off and On, does the fault disappear?

Turn power Off and On

Replace the wiring from the Primary PCB to the User Interface PCB

Check Pump wiring Replace Pump

• display show 'CENTRAL HEATING OFF'?
• Timer and Room Thermostat calling for Heat?
• Radiator Valves open?
• Ideal Electronic Programmable Room Stat connected?
• 230Vac at (A)?

Turn Central Heating Dial Clockwise Ensure that the Timer and Room Thermostat are calling for heat Open the Radiator Valves Consult Electronic Programmable Room Stat Fault Finding Instructions There is no voltage from the Timer/Room Stat. This is not a boiler fault. Ensure voltage is supplied to the boiler by correcting external wiring Check wiring from PCB to Diverter Valve Replace Diverter Valve

• display show 'ON' underneath the tap symbol?
• flow rates correct as per Table 3?
• wiring from the Main PCB to the Diverter Valve have continuity and is it fully connected?
• wiring connected between the Main PCB and the DHW Turbine?
• Turbine and clear any debris, is DHW OK?
• diverter valve head fully engaged and clip secured onto waterset?
• Diverter Valve head, is DHW OK?

Ensure cold inlet and hot water outlet are not reversed Re-connect wiring Remove Turbine and clear any debris, is DHW OK? Fit new turbine Adjust flow rates to achieve 35°C temperature rise and check filter fitted in turbine is not blocked with debris Replace or reconnect as appropriate Re-engage diverter valve head and secure clip to waterset Replace Diverter Valve body

• 230Vac to the boiler at (A)?
• wiring from the boiler terminal block to the main PCB connected securely?
• wiring from the boiler terminal block to the Main PCB have continuity?
• cable from the main PCB to the user interface PCB connected securely?
• cable from the main PCB to the user interface PCB have continuity and is it un-damaged?
• Fuse on the main PCB OK?
• user interface PCB, still no display?

Supply power to the boiler Connect the wiring from the terminal block to the main PCB securely Replace the wiring from the boiler terminal block to the Main PCB Connect the cable from the main PCB to the user interface PCB securely Replace cable from main PCB to user interface PCB Replace Main PCB Replace main PCB

Ensure Flow Temp is not limited within Installer Mode (see Section 2.28)

1. Check flow and return thermistors securely clipped to pipes. 2. Check flow & return thermistors (use values from Section 4.7)