Esco Airstream PCR-3A, Service Manual

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Problem 9 — Cannot turn on UV lamp
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Cannot turn ON UV
Lamp
Sash not in UV state
WARNING: Before turning the UV lamp on, make sure that
the hinged window is closed. Also ensure that you are
protected.
For PCR:
• Close the hinged window for UV mode position (fully
closed, see
Fig . 9.1 below).
• If UV MODE is not displayed on the LCD, please refer to
the Magnetic Switch troubleshooting section.
• Switch on the UV lamp by pressing the UV button (see Fig.
9.2 below).
• If UV MODE is displayed on LCD but UV is not on after
pressing UV button, please refer to possible cause 2-UV
magneticswitchis misaligned or faulty.
For SCR:
• Close the hinged window for UV mode position (fully
closed, seeFigure 9-1 below).
•
Set the mechanical timer for the UV at the desired value.
•
If UV timer is on but UV lamp is not, please refer to possible
cause 2-UV magnetic switch is misaligned or faulty.
Fig 9.1
Fig 9.2
DOMINIQUE
DUTSCHER
SAS