Envirco Isoclean UV - Manual (Page 22)

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Operation Manual
Page 18
TROUBLESHOOTING
5.0. Troubleshooting
NOTE: Before attempting to service and repair the unit, use proper protocol and follow
appropriate decontamination procedures described in the following sections:
Section 4.2 Cleaning the Unit
Section 4.3 Prefilter Replacement
Section 4.14 Relocating a Contaminated Unit
Section 4.15 Unit Decontamination
5.1. Inoperative Air Flow
5.1.1. Confirm that the power cord is plugged into the building receptacle and power is
present.
5.1.2. Confirm that the unit power switch is turned "ON".
5.1.3. Check switch and internal wiring per Wiring Diagram (Section 6). Replace or
repair faulty component(s).
5.1.4. Check the motor and replace if necessary.
5.1.5. Check the motor capacitor and replace if necessary.
5.2. Low Air Flow
5.2.1. Check prefilter for obstruction and remove obstruction as necessary
(Section 4.3).
5.2.2. Replace dirty prefilter media.
5.2.3. Switch the speed control to the next higher airflow setting.
5.2.4. Check power supply for proper voltage, amperage and distribution frequency.
5.2.5. Check for down-stream obstructions or erratic isolation room ventilation balance.
5.2.6. Replace HEPA filter if the air velocity remains low (Section 4.5).
5.3. High Air Flow
5.3.1. Adjust the speed control down to the next lowest setting.
5.3.2. Assure all filters are properly in place.
5.4. Excessive Contamination
5.4.1. Replace HEPA filter (Section 4.5.)
5.4.2. Assure the HEPA filter is installed properly.