Operating instructions

Charged Aerosol Detectors
Corona Veo and Corona Veo RS
Operating Instructions Page 109
8.3 Routine and Preventive Maintenance
8.3.1 Inspection and Service Plan
The preventive maintenance features of the detector provide information about internal
parameters and service intervals.
Gas Filter Change Date
The Gas Filter Change Date can be set manually. After you have replaced the gas filters, set
the date annually. To set the gas filter change date:
1. In the Main Menu, select the System Menu soft key.
2. In the System Setup Menu, select the Date/Time soft key.
3. Select the Reset Filter Chg Date soft key. The detector will reset a countdown of 12
months.
Preventive Maintenance Date
The Preventive Maintenance (PM) Date provides information about the next preventive
maintenance procedure that is to be performed and can be reset manually. The due date is
shown on the detector display and is one year from the manufacturing date of the detector.
Tip: Have a service representative perform preventive maintenance annually for the
detector. For further information, contact the Thermo Fisher Scientific Service
for Dionex HPLC products.
To set the PM date from the detector display:
1. In the Main Menu, select the System Menu soft key.
2. In the System Setup Menu, select the Date/Time soft key.
3. Select the Reset next PM Date soft key. The detector will reset a countdown of 12
months.