What the thread found

• Early production MDR-3 units experienced booster board failures that caused loss of motor control signal despite power indicators remaining active
• Failed MDR-3 units do not respond to reset button commands or control head instructions when the booster board fails
• The booster board issue affected early production run MDR-3 units and was subject to a manufacturer recall
• Service provider Preston offers repair and loaner equipment options for failed MDR-3 units

Depends on

• The exact date range and serial number range of affected units was not specified
• The failure mechanism and root cause of booster board failures was not technically explained
• It is unclear whether all early units were affected or only a subset

Gear in this thread

HU3, MDR

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