D14
blink 6 times
blink 7 times
blink 8 times
D17
blink 1 time
blink 2 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 7 times
blink 8 times
Meaning
Unit closing down for
min.frequency
Unit closing down for
PFC protection
Unit closing down for
compressor overloading
Meaning
too low DC input voltage
too high DC voltage
AC current protection
IPM abnormality
reserved
protection
control
first PFC protection ;then
module protection
D15
blink 6 times
blink 7 times
blink 8 times
blink 9 times
D18 |
|
|
|
when no | On |
computer monitor port |
|
off | |
|
|
blink | |
computer monitor port |
|
|
|
| not |
| blink |
|
|
|
|
|
|
|
|
|
|
Meaning
frequency of current 12 A lasting for 2 minutes
frequency limiting or demultiplying for rate of
frequency variation out of control
frequency limiting or demultiplying of compressor
current
frequency limiting or demultiplying for over temp.of
IPM module
Meaning
receiving or sending indoor data
receiving or sending indoor data finished
normal communication between main borad and
driving board
abnormal communication between main board and
driving board
