Product Manual DHT1_Digital Pocket Thermometer_Manual.pdf (1000 KB) Have more questions? Submit a request 2 Comments Date Votes 0 Joan Parker December 07, 2019 23:26 Just changed the battery on my DHT1 and the thermometer only shows three dashes ---. Is there anything I can do to get it working again? Thank you. 0 Escali Product Support December 09, 2019 16:00 Hi Joan,We apologize for the inconvenience! We may need to replace the thermometer under warranty. Please visit the following link to fill out our warranty form to start a claim: https://escali.com/warranty-form Please sign in to leave a comment.