[47] radiator temp. abnormal
Part 3
no
no
yes
yes
no
if radiator temp.
sensor is normal
rep lace radiator
temp. sensor
when compressor or fan
motor is running, if radiator
control port SV3 has output
check if main board is
broken down
if radiator fan motor
terminal is fixed firmly
yes
replace main board
repair the bad terminal
yes
radiator fan motor is
damaged
no
replace radiator fan motor
yes
air circuit of radiator is
clogged
eliminate the air circuit
yes
[48] ACCT over current protection
- 131 -
no
no
yes
yes
after compressor starts
up, check if the digital tuble display
va lue of A CCT a nd the valu e measure d
b y the amp eremeter are
identical
if ACCT winding is
normal
check if gate circuit
board is fixed well
re-fix
check the compressor,
judge its state according to the
noise, vibrat io n, runn ing stat e
and make so me imp roveme nt
re place ACCT
no
yes
che ck if th e earth ing of
CNFG and CNAC2 on
inve rte r bo ard is fixed well
no
replace main board
To Next Page
Loading...
