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[EnergyPlus_Support] VRF warnings, Iteration limit exceeded calculating terminal unit part-load ratio



I am concern about my VRF model, Specifically my cooling coil VRF DX...
its showing A LOT of warnings regarding Iteration limit and Part-load ratio as shown below... 


   ** Warning ** ZoneHVAC:TerminalUnit:VariableRefrigerantFlow "FCU 1A-1"
   **   ~~~   **  Iteration limit exceeded calculating terminal unit part-load ratio, maximum iterations = 500
   **   ~~~   **  Part-load ratio returned = 5.270E-004 Environment=ORTIGAS AVE. GREENHILLS SAN JUAN CITY, at Simulation time=07/15 09:00 - 09:15
   **   ~~~   **  Load requested = 1.10844E-012, Load delivered = 12.32182

How can i solve this warning??



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