| Problem |
Cause |
Solution |
| There is leak |
Drain
tank is loose |
Close drain tank |
| |
Sample tube has crack |
Replace sample
tube |
| |
Reaction
tube is loose on measurement cap |
Fix reaction tube |
| |
Reagent tube is loose on
measurement cap |
Fix reagent
tube |
| |
Fixing
screws for measurement cap are loose |
Tighten screws |
| |
Sampler alignment is not correct |
Adjust OFFSET-ARM |
| |
Sample
tube height is wrong |
Replace sample tube or adjust OFFSET-LIFT |
| |
Sealing ring is missing, broken,
or dirty |
Wash or Replace with new
sealing ring |
| Flow rate drop |
Membrane disc filters are clogged |
Replace membrane filters |
| |
Air pump tube is worn out |
Replace air
pump tube |
| |
Air
pump rotor is worn out |
Replace air pump rotor |
| |
Air pump is broken |
Replace air
pump |
| |
Bubbler
is clogged |
Replce bubbler |
| Sensitivity
drop |
Standard solution is faulty |
Remake calibration solutions |
| |
There
is a leak (verify by running a leak check) |
Find and fix the leak |
| |
Reaction tube is soileded |
Replace or wash reaction tube |
| |
Sample
tubes are dirty |
Replace or wash sample tubes |
| |
SnCl2 is going bad
|
Remake SnCl2
|
| |
SnCl2 is not being added to the sample tube (the line
is clogged or reagent pump has a problem)
|
Replace reagent teflon tube, reagent pump tube, reagent pump
rotor or reagent pump |
| |
HONH2·HCl is not being added (the line is clogged or reagent pump has a problem)
|
Replace
reagent tube, reagent pump tube, reagent pump rotor or reagent pump |
| High blank |
Sample
tube(s) are dirty |
Wash or replace sample tubes |
| High Blank Correction |
*Stir bar was dirty
|
Wash or
replace stir bar |
| |
H2SO4 has high blank |
Remake or Replace to new trace-metal grade H2SO4 |
| |
KMnO4 has high blank |
Remake new
KMnO4
|
| |
HONH2·HCl has high blank |
Remake new HONH2·HCl
|
| |
Reaction or Reagent tube is contaminated |
Replace or wash reaction and/or reagent tubing |
| |
Internal
tube/drain tank is contaminated |
Clean or Replace Internal tube/drain tank |
| |
Measurement cap is contaminated |
Clean or Replace
measurement cap |
| Strange peak shape / No peak |
There
is a leak |
Fix leak |
| |
Reaction tube is dirty
|
Replace
reaction tube |
| |
Sample
tube(s) is dirty
|
Replace or wash sample tube |
| |
SnCl2 is getting bad |
Recreate SnCl2 |
| |
SnCl2 is not added (the line
is clogged or reagent pump has some problem) |
Replace reagent tube, reagent pump tube, reagent pump
rotor or reagent pump |
| |
HONH2·HCl is not added (the line is clogged or reagent pump has some
problem) |
Replace
reagent tube, reagent pump tube, reagent pump rotor or reagent pump |
| |
V2
line is always open (tube positon is different or V2 valve is broken) |
Change tube positon / replace V2 valve |
| * 4500 Model only |
*Forget to put in stirrer or
stirrer motor is broken |
Put in
stirrer/ replace stirrer motor |