This is one of multiple drives. Input voltages are there through part of drive, but not reaching motor and unable to locate technical specs for PC board. Are any diagrams out there?
SOURCE: please i need the power adapter rating for seagate
Have you got the original power adapter?
If so the voltage details are printed on the label on the bottom of the adapter.
If the external USB Seagate hard drive houses a 31/2" drive then it requires an power adapter that provides +12 volts and +5 volts both supplying approx 2000mA of current.
If the Seagate uses a 21/2" (laptop) hard drive then it only requires +5 volts power adapter.
The only problem is the power connector to the external drive, make sure it suits the external hard drive unit and the power pins are correctly wired for the Seagate. If the polarity of the plug is incorrect lt wired (ie reverse polarity) then it could damage the USB hard drive and adapter case.
SOURCE: I have a 80GB maxtor external hard drive with a
You might have better luck by looking on eBay (and/or Craigs List)
for 'MAXTOR' and '80GB' disk-drives.
Drive Motor Tachometer Error
The control is unable to properly detect motor speed and the machine will shut down.
If a failure occurs during high-speed spin the door will be unlocked after 3 minutes.
Potential Causes
Motor ControlUnit (MCU), and between the MCU and the Central Control Unit
(CCU)
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