Vivax ACP-12CT35GECI Service Manual page 45

Troubleshooting
Communication malfunction of indoor
unit and outdoor unit
Compressor phase
detection malfunction
Compressor demagnetization protection
DC busbar voltage drop malfunction
Module temperature protection
shortage of freon or blockage protection
for the system
Capacitor charging malfunction
High voltage protection for the system
Low voltage protection for the system
Compressor blockage
Drive module reset
Overspeed
Drive board ambient temperature sensor
malfunction
AC contactor protection
Temperature drift protection
Sensor connection protection
Drive board communication malfunction
Compressor heat overload protection
Indoor unit and outdoor unit do not
match
Memory chip malfunction
Wrong connection of communication
cable or expansion valve malfunction
Complete unit current
malfunction
Wrong connection of communication
cable or expansion valve malfunction
detection mode
Mode conflict
Refrigerant recovery mode
Defrosting or oil return in heating mode
Rating cooling or heating
Max cooling or heating
Middle cooling or heating
Min cooling or heating
Hardware malfunction
current circuit
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
Hardware malfunction
detection
Hardware malfunction
Running mode
Running mode
Running mode
Running mode
Running mode
Running mode
Running mode
Running mode
E6 blinks 6 times
U1
HE
U3
P8
F0 blinks 10 times
PU
E1 blinks 1 times
E3 blinks 3 times
LE / /
PO / /
LF / /
PF / /
P9 / /
PE / /
Pd / /
P6 blinks 16 times
H3
LP blinks 19 times
EE
dn / /
U5 blinks 13 times
dd / /
E7 blinks 7 times
Fo blinks 1 times blinks 1 times
H1
P1 / /
P2 / /
P3 / /
P0 / /
blinks 12 times
blinks 14 times
blinks 20 times
blinks 19 times
blinks 17 times
/
/
/
/
/
/
/
blinks 3 times
blinks 15 times
/
/
blinks 1 times
/
/
/
/
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