Daikin EWWQ-AJYNN Service Manual page 90

Procedure for Software Upload/Download
1.2 Copy from the Software Key to pCO²
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3
3
4
5
3–4
2
■ Switch off the pCO and remove the "expansion memory" cover with a screwdriver (see "Copy from
pCO² to the Software Key" on page 3–5/Fig. 1)
■ Set the key selector on
■ Insert the key in the corresponding pin connector as shown. (see "Copy from pCO² to the Software
Key" on page 3–5/Fig. 2)
■ Press simultaneously the buttons UP an DOWN then supply power to the pCO
■ Check the LED on the key is on (red color
■ Wait until the request of copying appears on the LCD display, then release the buttons and confirm
by pressing ENTER.
■ The data transfer operation takes about 50s using the 1MB key and 100s using the 2MB one.the
display will show a progressive series of numbers.
■ Once copied the application program starts, then switch off the pCO
cover in its place and switch on the pCO
2
■
Now the pCO works with the program transferred by the key.
)
2
2
again,
ESIE07-05
2
, remove the key, put the
Part 3 – Troubleshooting