Perma Pure eCOOL 5000 Series - Manual (Page 11)

Section F: LEDs & LCD 11
F: LED
S
& LCD
Every eCOOL™ 5000 Series Digital Thermo-Electric Cooler has a jumbo 2-line LCD
display and 2 LED indicators.
Each of the two LED indicators corresponds to an active heat exchanger and will be
colored Green, Amber, or Red:
LED Summary
GREEN: Status OK, Sampling can begin. Sample pump will run.
AMBER: Alarm is no longer present. User must press the reset button to
acknowledge the alarm and return to normal operation.
Sample pump off.
RED: Alarm - see message on LCD screen. Sample pump off.
The top line of the LCD screen displays the temperature of each active heat
exchanger in degrees Celsius (e.g., 5°C). The scrolling bottom line of the LCD
screen displays cooler status, such as alarm messages.
Alarm Summary
Thermocouple failure
Channel over-temperature alarm
Water slip (water detect) alarm
Please refer to the Troubleshooting section of this manual if your cooler displays any
of the alarms above.
.