6
9.0 Troubleshooting
*Contact Restek or your Restek representative for return instructions for servicing a damagedunit. Additional chargesmay
apply if thewarranty has expiredor the unit is damageddue tomisuse.
Suggested Solution
PossibleCause
Problem
Clean the probe tip to remove any debris
Visually inspect probe line for holes*
Recharge or return to Restek for battery replacement*
Probe clogged
Probe line punctured
Weak battery
Sensitivity decreased
Re-zero detector
Detector not zeroed
Response decreased
LED bar graph stays lit during operation
Detector re-zeroed before unit was purged out
Reference gas inlet covered by hand or
other object
Allow adequate time for detector to purge, then
re-zero
Remove obstruction
