Rev: 2020 – 3A ©2020 Store It Cold, LLC 12
“Ef” FLASHES ON MY COOLBOT DISPLAY
Ef is a communication error with the Fins Sensor.
The Fins Mode Indicator Light flashes rapidly
● Unplug the Fins Sensor from the CoolBot.
● Inspect the cable for possible damages in the cord or on the tip. Inspect the port connection as well.
● Clean the plug end (jack connector) of the sensor with a cotton cloth and plug it back in the CoolBot port a
couple times making sure it goes all the way in. It should sit firm and snug- shouldn’t wiggle or feel loose.
● If the error persists after 20 seconds, the sensor is bad and needs replacement.
● Unplug the Fins Sensor and discard.
● Unplug your Room Sensor and plug into the Fins port.
● You will see an “Er” message on the screen (because there is nothing plugged in the Room port). That is all
right.
● If the “Ef” message stopped flashing and the Fins Mode Indicator Light stopped flashing rapidly you are now
working in the “Safety Mode”.
● Insert the tip of the sensor into the fins of the A/C (center bottom) following the same recommendations as
in the installation guide (STEP 7- Page 9).
- SAFETY MODE-
The CoolBot Pro can work with one (1) good sensor plugged in to the Fins port while your replacement
sensor is being shipped. DO NOT plug anything in the Room port!
Since the CoolBot won’t display the room temperature while running in the “Safety Mode,” the Room temperature will
have to be monitored with the aid of an external thermometer.
To order a replacement sensor under warranty (1 year) please contact our support team at support@storeitcold.com.
To purchase new sensors please visit our parts page at: https://storeitcold.com/category-product/coolbot-parts/#
“EH” FLASHES ON THE COOLBOT DISPLAY
EH means there is a problem with the Heater Cable (red tip cable) or the Heater port.
The Heater Mode Indicator Light flashes rapidly.
● Unplug the Heater Cable from the CoolBot.
● Inspect the cable for possible damages in the cord or in the tip. Inspect the Heater port as well.
● Clean the plug end of the Heater (jack connector) with a cotton cloth and re plug in the CoolBot a couple
times making sure it goes all the way in the port. It should sit firm and snug- shouldn’t wiggle or feel loose.
● If the error persists after 20 seconds, the HEATER cable is bad and needs replacement.
ATTENTION!
The CoolBot does not have a workaround mode for a bad Heater Cable. DO NOT plug anything other than a
replacement Heater Cable in the Heater port - a sensor cable won’t work!
To order a replacement Heater under warranty (1 year) please contact our support team at support@storeitcold.com.
To purchase a new Heater please visit our parts page at: https://www.storeitcold.com/replacement-parts/
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