Preventative Maintenance - Welch Allyn SureTemp 986 Service Manual

2. Service

2.2.2 Preventative maintenance

12
Units that are used on a regular basis should have the following
preventative maintenance performed at least every six months:
1. Visually inspect the thermometer for physical damage that
might cause future product failure.
2. Clean the unit per the instructions in the User Guide supplied
with the thermometer and/or per the instructions below.
3. Perform the Power on Self Test (page 7), Startup Display Test
(page 7), and the Calibration Test procedure (page 16).
Long Term Storage
Remove the batteries from units that are to be stored for an
extended period and not used.
Regular Tests and Calibration
Perform the following tests every 12 months regardless of storage
and usage levels:
1. Replace the batteries (page 15).
2. Perform the Power on Self Test (page 7), Startup Display Test
(page 7), and the Calibration Test procedure (page 16).
70995-0000B M986