© Danfoss | Climate Solutions | 2022.04
2 | AN404130514212en-000201
Function
Action
Illustration
LED info
Power-up
KoolKey can be powered up by connecting
to an external power bank (Mass
programming mode) or a powered-up
controller (Copy key mode)
1)
.
1)
Not supported by EETc.
Danf
os
s
80G8262
Green
Red
• The LED will flash
red
slowly,
indicating that KoolKey is
powered up.
• After a few seconds, the LED will
turn steady
green
, indicating
successful connection and data
transfer readiness
Write and
Read
function
a. Write function:
• Move the slider switch to “Write” position
• Short press the start button (1 s) to
transfer data from the KoolKey to the
controller
Note:
When KoolKey is connected to a
power bank, the write functions get initiated
automatically as soon as the KoolKey is
connected to a controller without pressing
the start button.
Danf
os
s
80G8263
Yellow
~1s
Slider switch
Yellow
LED flashes rapidly.
Indicating parameter file download
b. Read Function:
• Move the slider switch to “Read” position
• Short press the start button (1 s) to
transfer data from the controller to the
KoolKey
Note:
Read function is not supported when
KoolKey is powered up from a power bank.
Danf
os
s
80G8264
Yellow
~1s
Slider switch
Yellow
LED blinks rapidly.
Indicating parameter file download
File transfer
confirmation
Successful file transfers
(Write function can take up to 10 s and read
function can take 15 – 20 s to successfully
complete)
Danf
os
s
80G8265
Green
Constant
green
Unsuccessful file transfer
(Check connection and ensure compatible
programing file saved in KoolKey).
Danf
os
s
80G8266
Red
Rapid
red
flashes
Description
Code no.
KoolKey EKA 200
080N0020
Interface cable for EET/EKF -1m
080N0324
Interface cable for ERC21x-1m
080N0326
Interface cable for ERC11x- 1m
080N0328
Parameter file transfer steps and LED indications:
Ordering
