made changes in tanks controller

src/controllers/tanksController.js

@@ -168,7 +168,7 @@ exports.updateTanklevels = async (req, reply) => {
       const newWaterLevel = Math.floor(waterLevel - 200);
       console.log("motorstatus:"+motorStatus)
         
-        if (newWaterLevel <= 0,motorStatus === "1") {
+        if (newWaterLevel <= 0 || motorStatus === "1") {
           clearInterval(intervals[tankId]);
           console.log(`Stopped updating tank with ID ${tankId}`);
           return;