diff --git a/TestBenchFramework/BenchControl/Elde/PumpTandem/Pump.cs b/TestBenchFramework/BenchControl/Elde/PumpTandem/Pump.cs
index 73faa9e3f..b31621719 100644
--- a/TestBenchFramework/BenchControl/Elde/PumpTandem/Pump.cs
+++ b/TestBenchFramework/BenchControl/Elde/PumpTandem/Pump.cs
@@ -14,6 +14,9 @@ namespace TBF.BenchControl.Elde.PumpTandem
         readonly GenericDevices.IPump pump1;
         readonly GenericDevices.IPump pump2;
 
+		readonly GenericDevices.IPumpFM pumpFm1;
+		readonly GenericDevices.IPumpFM pumpFm2;
+
         public bool State { get { return pump1.State || pump2.State; } }
         public int Delay { get { return Math.Max(pump1.Delay, pump2.Delay); } }
 		public float Power { get { return pumpCfg.TestParams.Power; } }
@@ -29,23 +32,52 @@ namespace TBF.BenchControl.Elde.PumpTandem
             pump2 = (GenericDevices.IPump)TbfComponents.FindComponent(cfg.Pump2, components);
             if (pump2 == null) throw new Exception("Cannot find component Pump 2");
 
-            log.Debug(this.ToString());
+			pumpFm1 = pump1 as GenericDevices.IPumpFM;
+			pumpFm2 = pump2 as GenericDevices.IPumpFM;
+
+			log.Debug(this.ToString());
 		}
 
 
         public void TurnOnDfltPower()
         {
-            // TODO
+			TurnOn(Power);
         }
 
         public void TurnOn(float powerArg)
         {
-            // TODO
+			if ((pumpFm1 != null) && (pumpFm2 != null))
+			{
+				pumpFm1.TurnOn(powerArg);
+				pumpFm2.TurnOn(powerArg);
+			}
+			else if ((pumpFm1 != null) && (pumpFm2 == null))
+			{
+				if (powerArg >= 50)
+				{
+					pumpFm1.TurnOn(2 * (powerArg - 50.0f));
+					//pump2.
+				}
+				else
+				{
+					pumpFm1.TurnOn(2 * powerArg);
+					//pump2.
+				}
+				// TODO
+			}
         }
 
         public void TurnOff()
         {
-            // TODO
+			if ((pumpFm1 != null) && (pumpFm2 != null))
+			{
+				pumpFm1.TurnOff();
+				pumpFm2.TurnOff();
+			}
+			else
+			{
+				// TODO
+			}
         }