diff --git a/bots/src/lib/rpc.ts b/bots/src/lib/rpc.ts
index ff3bfcc9..cb324e66 100644
--- a/bots/src/lib/rpc.ts
+++ b/bots/src/lib/rpc.ts
@@ -79,7 +79,7 @@ export class RPCSocket {
     // no responsed more than 3 minutes, it is down
     if (this.isAlive && Date.now() - this.alivedAt > 3 * 60 * 1000) {
       const msg = `${this.constructor.name} is no response!`;
-      this.logger.warn(msg);
+      this.logger.info(msg);
       this.isAlive = false;
     }
   }
diff --git a/bots/src/worker/challenger/challenger.ts b/bots/src/worker/challenger/challenger.ts
index 3e1cc39e..294389a2 100644
--- a/bots/src/worker/challenger/challenger.ts
+++ b/bots/src/worker/challenger/challenger.ts
@@ -133,7 +133,7 @@ export class Challenger {
 
     if (!depositFinalizeTxFromChallenger) {
       this.missCount += 1;
-      this.logger.warn(
+      this.logger.info(
         `[L1 Challenger] deposit tx with sequence "${this.l1DepositSequenceToCheck}" is not finialized`
       );
       if (this.missCount <= THRESHOLD_MISS_INTERVAL || !lastOutputInfo) {
@@ -235,7 +235,7 @@ export class Challenger {
       );
       return outputInfo.output_proposal.output_root;
     } catch (err) {
-      logger.warn(
+      logger.info(
         `[L2 Challenger] waiting for submitting output root in output index ${outputIndex}`
       );
       return null;
diff --git a/bots/src/worker/outputSubmitter/outputSubmitter.ts b/bots/src/worker/outputSubmitter/outputSubmitter.ts
index 8af60933..24a1298b 100644
--- a/bots/src/worker/outputSubmitter/outputSubmitter.ts
+++ b/bots/src/worker/outputSubmitter/outputSubmitter.ts
@@ -58,7 +58,7 @@ export class OutputSubmitter {
       });
     } catch (err) {
       if (err.response?.data.type === ErrorTypes.NOT_FOUND_ERROR) {
-        logger.warn(
+        logger.info(
           `waiting for output index: ${this.syncedOutputIndex}, processed block number: ${this.processedBlockNumber}`
         );
         await delay(INTERVAL_OUTPUT);