Danfoss Drives
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Jan 17, 2024 12:14 pm
Warning /Alarm 48 in VLT FC301/ FC302 : 1.8 V Supply Low - The 1.8 V DC supply used on the control card is outside of the allowed limits. The supply is measured on the control card.
1. Check for a defective control card.
2. If an option card is present, check for overvoltage.
