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s 4 <br /> TRouBLESHOOTING <br /> Remedy <br /> Replace the blown fuses.If the new fuses blow <br /> too check the electrical installation and the drop cable. <br /> Reset the circuit breaker. <br /> +� Contact the Electricity provider. <br /> Check for motor/pump blockage. <br /> Repair/replace the pump/ca ble. <br /> _ Check the electricity supply <br /> 1 Oen the valve <br /> I See item 3a. <br /> �1 Pull the pump and clean or replace the valve. <br /> 1 Pull the pump and clean the strainer. <br /> Re air re lace the pum p. <br /> Increase the installation depth of the pump,throttle the pump <br /> or replace it with a smaller capacity model. <br /> Check and dean/replace the valves as necessary. <br /> Clean/replace the discharge pipe. <br /> Pull the pump and check/replace the valve. <br /> Pull out the pump.Check and clean or replace the pump,if <br /> necessary,Clean the i es. <br /> _ Re air re lace the pump. <br /> f Check and repair the pipins. <br /> Replace. <br /> _ Check the electricity supply, <br /> Increase the differential.However,the stop pressure must <br /> not exceed the operating pressure of the pressure tank,and <br /> the start pressure should be high enough to ensure sufficient <br /> _ water supply. <br /> i Adjust the intervals of the electrodes/level switches to ensure <br /> suitable time between the cutting-in and cutting-out of the <br /> } pump.See installation and operating instructions for the <br /> s automatic devices used.If the intervals between start/stop <br /> cannot be changed via the automatics,the pump capacity <br /> may be reduced by throttling the discharge valve. <br /> ;s Pull the pump and clean/replace the non-return valve. <br /> ? Check the electrical supply, <br /> i <br /> i <br /> r <br /> •1 i <br /> I <br /> A <br /> i <br /> r <br /> 14 <br />