Hisense AMS-07UR4SNVT4 Service Manual page 172

6 . TROUBLE SHOOTING
6 . TROUBLE SHOOTING
Error code 9
Maximum current
protection
Is the windings of the
conpressor right or
not(eath winding and
winding to the earth)
yes
The outdoor drive board
fault ,replace the board
Error code 10
Communication trouble
between outdoor control board
and drive board
Check the wires
between control board
and drive board
connect tightly or not
yes
If the driver borad
has the +5V、 +15v
no
control board fault ,replace
the board
no
Compressor fault ,replace
the compressor
no
Reconnect the wires
yes
Drive board fault ,replace
the board