GAYLORD XG-BDL, Installation Operation & Maintenance

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18
TROUBLESHOOTING UV SYSTEM
SYMPTOM POSSIBLE PROBLEM CORRECTIVE ACTION
4. During the lamp inspection, one of the
UV Module Controllers does not have
(6) Green & (3) Red indicators lights
on and there is no Yellow “UV Lamp
Failure” lamp on.
A. The Yellow “UV Lamp Failure” light
has failed.
1. Check the Yellow “UV Lamp Failure”
light and see if it is receiving power.
• If no, the problem is in the wiring.
Locate and correct the problem.
• If yes, replace the lamp.
2. If the Yellow “UV Lamp Failure” light has
power, replace the light.
B. The connection from the 3A on the UV
Module Controller and the terminal
blocks is broken or loose.
1. It may be the contacts on the Ballast.
• Check for power coming out of
terminal 3A in the ventilator
C. The contacts on the UV Module
Controller has failed to close.
1. Check for continuity between 1A
& 3A at the ventilator. If a UV lamp
has failed and there are (6) green &
(3) red lights lit on the UV Module
Controller, the UV Module Controller
needs to be replaced.
5. Red “UV Safety Interlock Activated”
light on AND Audible Alarm on.
A. UV Access Door Switch (DS) has
failed or needs to be adjusted.
1. Check UV hood wiring board LED
outputs. Any interlock not activating
will be indicated there. (See pages 10
& 25 for details).
B. An XG Extractor has been removed or
is not properly inserted.
1. Remove and re-insert XG Extractors
C. The XG Extractor magnet has
dislodged, or the switch has failed.
1. Repair or replace any failed
component. (See page 10 for
troubleshooting procedures.)
A. Pressure Switch (PS) has failed or
needs adjusting.
1. Check for continuity between P1 & P2.
It should be closed with LED on when
fan is on.