Hydrotech DLR-AP Ultraviolet Water Disinfection Unit - Manual (Page 19)

Alarms
Displays
The front panel of the electrical control box has the following LED displays:
LED Displays Diagram
• LAMP ON: green
• REPLACE LAMP: red
• ALARM: red
Alarm
activation
The WEDECO UV disinfection unit has built in alarms to warn of inefficient
performance or lamp failure.
Model What Happens Cause How to Resolve
DLR-AP
• The REPLACE LAMP
LED blinks.
• The internal ALARM
beeps once every 5
minutes.
The internal counter has reached 30
days of lamp life remaining.
IMPORTANT! Water to the
house is being disinfected and
the solenoid valve will remain
open.
• Press the RESET button once to
silence the alarm buzzer for 5 days.
The alarm buzzer will begin to beep
again 5 days after pressing the
RESET button and continue until
lamp has been replaced and the unit
reset.
• Replace UV lamp within 30 days to
ensure optimum performance from the
unit.
DLR-AP
• The LAMP ON LED is
no longer illuminated.
• The REPLACE LAMP
LED is illuminated
continuously.
• The ALARM LED
blinks
• The internal ALARM
buzzer beeps
continuously.
The internal counter has reached 0
(zero) days of lamp life. Or, lamp has
failed due to another problem. (See
Troubleshooting section.)
WARNING! Disinfection may
be insufficient to ensure safe
drinking water.
• Press the RESET button once to
silence the alarm buzzer for 5 days.
The alarm buzzer will begin to beep
again 5 days after pressing the
RESET button and continue until
lamp has been replaced and the unit
reset.
• Replace lamp immediately. Follow
instructions on lamp replacement in
the manual.
STATUS
ALARM
LAMP ON
REPLACE LAMP
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