reconnect ac error code list
Indoor:
|
Error Code |
Content |
|
L0 |
Malfunction of IDU |
|
L1 |
Protection of indoor fan |
|
L2 |
Auxiliary heating protection |
|
L3 |
Water-full protection |
|
L4 |
Abnormal power supply for wired controller |
|
L5 |
Freeze prevention protection |
|
L7 |
No main IDU |
|
L8 |
Power supply is insufficient |
|
L9 |
For single control over multiple units, number of IDU is inconsistent |
|
LA |
For single control over multiple units, IDU series is inconsistent |
|
LH |
Alarm due to bad air quality |
|
LC |
IDU is not matching with outdoor unit |
|
LL |
Malfunction of water flow switch |
|
LE |
Rotation speed of EC DC water pump is abnormal |
|
LF |
Malfunction of shunt valve setting |
|
LJ |
Setting of functional DIP switch code is wrong |
|
LP |
Zero-crossing malfunction of PG motor |
|
LU |
for one-to-more unit of heat recovery system |
|
d1 |
Indoor PCB is poor |
|
Error Code |
Content |
|
d2 |
Malfunction of lower water temperature sensor of water tank |
|
d3 |
Malfunction of ambient temperature sensor |
|
d4 |
Malfunction of entry-tube temperature
sensor |
|
d6 |
Malfunction of exit-tube temperature sensor |
|
d7 |
Malfunction of humidity sensor |
|
d8 |
Malfunction of water temperature sensor |
|
d9 |
Malfunction of jumper cap |
|
dA |
Web address of IDU is abnormal |
|
dH |
PCB of wired controller is abnormal |
|
dC |
Setting capacity of DIP switch code is abnormal |
|
dL |
Malfunction of air outlet temperature
sensor |
|
dE |
Malfunction of indoor CO2 sensor |
|
dF |
Malfunction of upper water temperature sensor of water tank |
|
dJ |
Malfunction of backwater temperature sensor |
|
dP |
Malfunction of inlet tube temperature
sensor of generator |
|
dU |
Malfunction of drainage pipe temperature sensor of generator |
|
db |
Debugging status |
|
dd |
Malfunction of solar power temperature sensor |
|
dn |
Malfunction of swing parts |
|
Error Code |
Content |
|
E0 |
Malfunction of ODU |
|
E1 |
High-pressure protection |
|
E2 |
Discharge low-temperature protection |
|
E3 |
Low-pressure protection |
|
E4 |
High discharge temperature protection of |
|
FH |
Current sensor of compressor 1 is abnormal |
|
FC |
Current sensor of compressor 2 is abnormal |
|
FL |
Current sensor of compressor 3 is
abnormal |
|
FE |
Current sensor of compressor 4 is abnormal |
|
FF |
Current sensor of compressor 5 is |
|
Error Code |
Content |
| compressor | |
|
J0 |
Protection for other modules |
|
J1 |
Over-current protection of compressor 1 |
|
J2 |
Over-current protection of compressor 2 |
|
J3 |
Over-current protection of compressor 3 |
|
J4 |
Over-current protection of compressor 4 |
|
J5 |
Over-current protection of compressor 5 |
|
J6 |
Over-current protection for compressor 6 |
|
J7 |
Gas-mixing protection of 4-way valve |
|
J8 |
High pressure ratio protection of system |
|
J9 |
Low pressure ratio protection of system |
|
JA |
Protection because of abnormal pressure |
|
JC |
Water flow switch protection |
|
JL |
Protection because high pressure is too low |
|
JE |
Oil-return pipe is blocked |
|
JF |
Oil-return pipe is leaking |
|
P0 |
malfunction of driving board of compressor |
|
P1 |
Driving board of compressor operates
abnormally |
|
P2 |
Voltage protection of driving board power of compressor |
|
P3 |
Reset protection of driving module of compressor |
|
P4 |
Drive PFC protection of compressor |
|
P5 |
Over-current protection of inverter compressor |
|
P6 |
Drive IPM module protection of compressor |
|
P7 |
Malfunction of drive temperature sensor of
compressor |
|
P8 |
Drive IPM high temperature protection of compressor |
|
P9 |
Desynchronizing protection of inverter compressor |
|
PA |
Malfunction of drive storage chip of
compressor |
|
PH |
High-volta  drive DC bus bar |
|
PC |
Malfunction of current detection circuit drive of compressor |
|
PL |
Low voltage protection for DC bus bar of
drive of compressor |
|
PE |
Phase-lacking of inverter compressor |
|
PF |
Malfunction of charging loop of driven of |
|
Error Code |
Content |
| abnormal | |
|
FJ |
Current sensor of compressor 6 is abnormal |
|
FP |
Malfunction of DC motor |
|
FU |
Malfunction of casing top temperature sensor of compressor 1 |
|
Fb |
Malfunction of casing top temperature sensor of compressor 2 |
|
Fd |
Malfunction of exit tube temperature
sensor of mode exchanger |
|
Fn |
Malfunction of inlet tube temperature sensor of mode exchanger |
|
b1 |
Malfunction of outdoor ambient temperature sensor |
|
b2 |
Malfunction of defrosting temperature
sensor 1 |
|
b3 |
Malfunction of defrosting temperature sensor 2 |
|
b4 |
Malfunction of liquid temperature sensor of sub-cooler |
|
b5 |
Malfunction of gas temperature sensor
of sub-cooler |
|
b6 |
Malfunction of inlet tube temperature sensor of vapor liquid separator |
|
b7 |
Malfunction of exit tube temperature sensor of vapor liquid separator |
|
b8 |
Malfunction of outdoor humidity sensor |
|
b9 |
Malfunction of gas temperature sensor of heat exchanger |
|
bA |
Malfunction of oil-return temperature sensor 1 |
|
bH |
Clock of system is abnormal |
|
bE |
Malfunction of inlet tube temperature sensor of condenser |
|
bF |
Malfunction of outlet tube temperature sensor of condenser |
|
bJ |
High-pressure sensor and low-pressure
sensor are connected reversely |
|
bP |
Malfunction of temperature sensor of oil-return 2 |
|
bU |
Malfunction of temperature sensor of oil return 3 |
|
bb |
Malfunction of temperature sensor of oil
return 4 |
|
H0 |
Malfunction of driving board of fan |
|
H1 |
Driving board of fan operates abnormally |
|
H2 |
Voltage protection of driving board
power of fan |
|
H3 |
Reset protection of driving module of fan |
|
H4 |
Drive PFC protection of fan |
|
H5 |
Over-current protection of inverter fan |
|
H6 |
Drive IPM module protection of fan |
|
H7 |
Malfunction of drive temperature sensor |