valutazioni - 3, GPA: 3.3 ( )

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Remove as much scale as possible by hand. Dissolve any scale that is difficult to remove by using a de-scaling solution. Remember to replace the drain plug before using the de-scaler. Clean the level sensing probes and their white holders completely using a clean non-metallic scourer. Ensure all traces of de-scaler are removed before using the boiler again. Rather than frequently de-scaling the machine, it may be preferable to install an effective scale reducer or WRAS approved food quality water softener. This will reduce the frequency of de-scaling but will not remove scale completely in some areas. DE-SCALING WB5E To de-scale your machine, first disconnect the machine from the power supply. Drain all the water using the tap. Disconnect the tap. Remove the case by removing the top and bottom screws holding the case to the wall bracket. Drain the remaining water through the drain plug in the bottom of the tank. Remove the boiler lid by unscrewing the fixing screws. The tank is now accessible. The whole boiler can be disconnected and lifted away from the wall fixing by removing the push on water and vent fittings and disconnecting the electrical components. However, it is recommended that only a qualified person undertakes this work and that unless a qualified person is available, the de- scaling is carried out with the boiler on the wall. Lift out the baffle plates on the inside of the tank (taking note of the position of the plates). Remove as much scale as possible by hand. Dissolve any scale that is difficult to remove by using a de-scaling solution. Remember to replace the drain plug before using the de-scaler. Clean the level sensing probes and their white holders completely using a clean non-metallic scourer. Ensure all traces of de-scaler are removed before using the boiler again. Rather than frequently de-scaling the machine, it may be preferable to install an effective scale reducer or WRC approved food quality water softener. This will reduce the frequency of de-scaling but will not remove scale completely in some areas SERVICE WARNING LIGHT (WB5E only) Your boiler is able to detect certain fault conditions, these are as follows: 1. Flashing Green = The bottom probe is scaled up. 2. Flashing Orange = The water supply is turned off or the bottom probe is scaled up 3. Flashing Red = An internal component has failed or. The safety cut out has come into operation 4. Flashing Green & Red = As Above. SERVICE WARNING LIGHT (All Models except WB5E) All models except WB5E have this facility. This light is designed to help you discover the cause of any malfunction. If the circuit senses a problem, the service light will flash a number of times and then pause and repeat this sequence. Count the number of flashes between pauses and refer to the table on the back cover. Some serious service problems will disable the boiler whist less serious ones will allow you to continue to operate until a convenient time arises for the fault to be rectified. NUMBER OF FLASHES BETWEEN PAUSES MEANING ACTION 1 Constant Water level sensor has scaled up at normal level and machine has filled to a higher level Clean Sensing Probes 2 Operating level sensor has been detected but lower level sensor has not Clean Sensing Probes 3 Overfill level sensor has been detected but other sensors have not Clean Sensing Probes 4 Danger level sensor has been detected and machine functions have been shut down Clean Sensing Probes 5 Thermistor or potentiometer have failed Call service department on 01704 502911 Quoting the Serial Number 6 Boiler has failed to fill in the allotted time. Possible causes :- 1. Water supply turned off. 2. Water inlet valve has failed. 3. Blockage in water inlet pipe. 4. Pipe connecting inlet valve to boiler has become detached. 5. Bottom sensor is scaled up Check water supply If in order call Instanta service department quoting the Serial Number 7 The temperature sensor (thermistor) has become disconnected or the heating element(s) have failed. Call service department on 01704 502911 Quoting the Serial Number 8 or 9 Fault on temperature sensor (thermistor). Call service department on 01704 502911 Quoting the Serial Number 10 Heating element(s) faulty . Call service department on 01704 502911 Quoting the Serial Number 11 The water supply has been interrupted and the level has Check water supply fallen to a point at which the heating element(s) could be damaged. If in order call service department on 01704 502911 Quoting the Serial Number 12 The machine has over-boiled and the level has fallen to a point at which the element(s) could be damaged. Or safety cut out has come into operation see paragraphs re Temperature Control Call service department on 01704 502911 Quoting the Serial Number ...

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