Chapter 4 Troubleshooting - Alnor 9870 Owner's Manual

Table 3 lists the symptoms, possible causes, and
recommended solutions for common problems
encountered with the meter. If your symptom is not
listed, or none of the solutions solve your problem,
please contact TSI.
Table 3: Troubleshooting the meter
Symptom
No display
BAT is
blinking
Display reads
"LO" and the
BAT indicator
is on
12
CHAPTER 4
Troubleshooting
Possible
Causes
Unit not
switched on
Low or dead
batteries
Dirty battery
contacts
Batteries
installed
incorrectly
Batteries are
getting low
Batteries are
low
Dirty battery
contacts
Corrective
Actions
Switch on the
unit
Replace the
batteries
Clean the battery
contacts
Check the battery
alignment against
illustration inside
battery cover
Replace the
batteries
Replace the
batteries
Clean the battery
contacts