ล้าง Coil ร้อน + เช็คน้ำยาแอร์ครับ
http://www.google.co.th/search?q=%E0%B8%A5%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%84%E0%B8%AD%E0%B8%A2%E0%B8%A5%E0%B9%8C%E0%B8%A3%E0%B9%89%E0%B8%AD%E0%B8%99+%E0%B8%A3%E0%B8%96%E0%B8%A2%E0%B8%99%E0%B8%95%E0%B9%8C&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
http://www.navy22.com/smf/index.php?topic=16181.0
http://www.civicesgroup.com/forum/topic6750