crwdns2933897:0crwdne2933897:0

Popping noise from speaker

After powering the scooter on there is a popping noise coming from the speaker every 5 seconds. Everything else works fine except for this unusual popping noise coming from the speaker every 5 seconds. Any ideas?

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0