User's Manual Part 4

STRATEGIC Technologies Inc. PRU / PID Preventive Maintenance
Returned PID's
Physical Checks
Figure 9 : The
Underneath of a
PID
1. Check for damages to the PID plastic (If any PID is damaged, return to STRATEGIC for repair)
a. PID latching bars are broken or stressed
b. Cracked seam at sealing edge.
c. Bent strap contact pins.
d. Pry marks on PID edge.
2. Cleaning PID's
a. Put the battery into the PID with an O-Ring on it so that water will not leak into the battery
compartment.
b. While holding the battery in with your thumb scrub the PID with a soft bristle brush under
running water (using ani-bacterial soap) and dry with paper towel.
c. Use a fine tipped brush (under running water) to clean the latching bar area on the
bottom of the PID.
d. Clean surface of the PID with isopropyl alcohol for further sanitary protection.
Electrical Tests
Testing a PID
1. All PID's may be tested by using a PRU+
2. Testing PID's with a PRU+
a. Put the battery into the PID under test. (See Install the battery on Page 18, 20, 25, 28,
33)
b. Find the PID code (See Figure 6 : The Underneath of a PID Page 47)
c. Enter Special Functions Mode by using a LOCK.
d. Step through Special Function Mode until "B= Test Mode" appears.
e. Push button B. The PRU+ is now in test mode. (See Figure 5 : Test Mode Display Page
42).