Cod analysis instrument level failure, how to get?
Daily maintenance of COD is very important, check it at least once a week. Including the work of reagents, piping and samplers. Special waste liquid discharge pipe (drain valve) hose aging must be replaced in a timely manner (month). Measuring small test tube should be cleaned regularly, should pay attention to the upper and lower of the "O" type gasket.
Reagent problem, CODmax alarm, no XX reagent". Advanced access service menu, open the safety panel, check the relative test bottle, you can determine the XX reagent used up, in time to add reagents. However, if necessary, it is necessary to check whether the reagent bottle is too full, and the reagent bottle cap is screwed too tight. If it is too tight, no air reagent will be sucked in.
The following are some of the common failures and treatment methods, may not be comprehensive, I hope you correct me.1, first of all on the sampling of the problem, such as CODmax alarm, "no samples."". First of all, check the blockage of the sample tube, the sampler is normal or not, then check the submersible pump sampling. (1, whether the pipeline leaks; 2, piston pump);
