Took a hot call today found vav with damper stuck closed check power from TF ok checked power from controller to actuator got 24v from common to CCW and 17 from common CW now teh damper opens to CW took power lead off CCW checked voltage again got 24 checked CW not voltage my question is could it be the board or TSTAT i hooked up the 24 CCW lead to the CW terminal actuator ok and got them temp cooling going back tomorrow just wanna get some feed back i also got the manuel too will study up tonight thanks on advance for any and all feed back