Specifications
 22
9-4 Error Codes 
Table 9 Error codes 
Error code  Description 
pe  The printer paper has run out. Install a new roll of printer paper. 
HU  The printer head is up. Lower the lever and lock the printer paper in position. 
err  A measurement error has occurred. Refer to “10. Troubleshooting”. 
9-5 Maintenance 
Do not open the device. It uses delicate electronic components and an intricate air unit that could be damaged. 
If you can not fix the problem using the troubleshooting instructions, request service from your supplier or from 
the A&D service group. The A&D service group will provide technical information, spare parts and units to 
authorized suppliers. 
The technical testing procedures, which should be done at least every two years, can be performed either by 
the manufacturer or by an authorized repair service in accordance with the regulations governing 
manufacturing of medical products. 
9-6 Cleaning 
 CAUTION 
 Never immerse the TM-2655/TM-2655P in water for cleaning, that may damage the electronic 
parts inside. 
 Never use thinner or a strong detergent for cleaning, that may discolor or deform the plastic 
case and display panel. 
Housing case 
Clean the case gently using a soft cloth moistened with water and mild detergent or alcohol. 
Display panel 
Clean the display gently so as not to scratch the panel surface. Use a soft cloth moistened with water. 
Arm cuff cover 
When the arm cuff cover becomes dirty or it is worn out, replace with a new one. Refer to “9-1 Replacing 
the Arm Cuff Cover”.   
Note 
If the cover is not installed properly, it may cause problems in operation. 










