Daikin EWWQ-AJYNN Service Manual page 91

ESIE07-05
1.3 Copy from pCO² to the Software Key
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Part 3 – Troubleshooting
2
Switch off the pCO and remove the "expansion memory" cover with a screwdriver (see Fig. 1)
Set the key selector on
Insert the key in the corresponding pin connector as shown. (see Fig. 2)
Press simultaneously the buttons UP an DOWN then supply the pCO
Check the LED on the key is on (green color
Wait until the request of copying appears on the LCD display, then release the buttons and confirm
by pressing ENTER.
If the application includes a password to protect the software, use the UP and DOWN buttons on
the terminal to enter the correct password. Then press 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
Now the key has the program transferred by the pCO
Procedure for Software Upload/Download
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again,
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Fig. 1
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, remove the key, put the
Fig. 2
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