TROUBLESHOOTING
7-9
“Bat” message in
operation
Uncharged battery
Recharge battery
“Voltage too high”
message in charge
mode
Battery fuse blown
Incorrect fuse
AC adapter is not
plugged in all the
way
Check battery and
adapter
Plug adapter in
correctly
Full scale PID
measurement in
humid environment
Dirty or wet sensor
Run dry gas through
sensor
Reduce pump duty
cycle to clean
sensor
Replace water trap
filter
VOC measurement
saturates at certain
level
Dirty PID sensor
module
Weak PID lamp
Reduce pump duty
cycle to clean
sensor
Replace PID Sensor
Replace filter
Excessive pump
noise
No inlet air vacuum
Leaky inlet path
Defective pump
Check inlet
connection
Replace pump
Replace or clean
pump diaphragm