How to fix er 37 on my omron blood presure monitor

Glen Lee what model is your monitor?

I have this same problem. Mine is the m6 comfort model

Answer to a 2 yrs old question. Omron WARRANTY - Excluding the monitor cuff, is warranted to be free from defects in materials and workmanship appearing within 5 years from the date of purchase, when used in accordance with the instructions provided with the monitor. The monitor cuff is warranted to be free from defects in materials and workmanship appearing within one year from the date of purchase when the monitor is used in accordance with the instructions provided with the monitor. The above warranties extend only to the original retail purchaser. We will, at our option, repair or replace without charge any monitor or monitor cuff covered by the above warranties. Contact their customer service.