This is irrelevant to the question, it doesn't matter how you connect it, the AC voltage is what matters, these PSUs need a consistent voltage rate of 220-240v, they might survive a 200V but nothing below that, also above 240v is going to cause issues, you need to measure the input VOLTAGE and not the amps, the problem could be caused by something else, but everything as of now points to a power related issue, it's either a bad PSU or bad voltage.