The total watts is 30W RMS... watts = volts x amps Using 240v ac gives: 30=240xamps Amps=30/240 = 0.125 amp or 125 ma. Short answer is disassemble to check the wiring on the transformer.... a wire may be disconnected. Check using a voltmeter the input to the transformer and the output (if any). You have to do a bit of simple fault finding I afraid.
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