The red on/off button is loose and has trouble engaging the button on the small PCB. Looks like there is a part missing, but there is no sign of it. Is it a spring which has taken off into the blue? Something is needed to spring back the red button so that it is firm and align it with the button on the PCB. Please can anyone help me find whatever I need to make the red button useable? New, 2nd hand, picture of parts breakdown or anything to reveal the unknown. Roger rogndmeg@waitrose.com
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