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F9 is a pump shunt field circuit failure.
F6 is a pump circuit failure.
I would check your pump fuse and then make sure your brushes and power cables are good.

On the F6 check the D4P diode for short/failure
On the F9 check the shunt field fuse for open.
  • Posted 20 Jul 2021 21:21
  • By swoop223
  • joined 23 Mar'12 - 3,691 messages
  • North Carolina, United States
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Dwight Klappich Dwight Klappich
Strategic advisor, Roboteon
CEO Americas, Hai Robotics
Executive director, NT WorkSafe
Chief executive, Logistics UK