Gree UM600PH/A-M, Service Manual

Page: 83 / 121

GREE Duct type Ducted Type Split Air-Conditioner Units
83
Display
code
Content
Display
code
Content
Display
code
Content
JL
High pressure is too
low
b1
Malfunction for outdoor
ambient temperature sensor
b2
Maflunction of defrosting
temperature sensor 1
b3
Maflunction of
defrosting
temperature sensor 2
b4
Malfunction of liquid
temperature sensor for
subcooler
b5
Malfunction of gas
temperature sensor for
subcooler
b6
Malfunction for
temperature sensor of
inlet tube of gas and
liquid separator
b7
Malfunction for temperature
sensor of exit tube of gas and
liquid separator (exit tube A)
b9
Malfunction of gas exit
temperature sensor for
heat exchanger
bH
Abnormal clock of
system
P0
Malfunction driven board for
compressor
P1
Driven board of
compressor works
abnormally
P2
Power voltage
protection for the
driven board of
compressor
P3
Reset protection for the driven
module of compressor
P4
Driven PFC protection of
compressor
P5
Overcurent protection
for inverter
compressor
P6
Driven IPM module protection
for compressor
P7
Malfunction of driven
temperature sensor for
compressor
P8
Overheating
protection for driven
IPM of compressor
P9
Desynchronizing protection for
inverter compressor
PH
High voltage protection
for driven DC bus bar of
compressor
PC
Circuit malfunction of
driven current
detection for
compressor
PL
Low voltage protection for
driven DC bus bar of
compressor
PE
Phase-losing of inverter
compressor
PF
Malfunction of driven
charging loop for
compressor
PJ
Failure start up for inverter
compressor
PP
AC current protection for
inverter compressor
U0
Preheat time is not
enough for
compressor
U2
Capacity code of outdoor
unit/wrong setting of jumper
cap
U4
Insufficient refrigerant
protection
U5
Wrong address for
the driven board of
compressor
U6 Alarm due to abnormal valve U8
Malfunction of pipeline for
indoor unit
U9
Malfunction of
pipeline for outdoor
unit
UC
Setting for indoor unit and
oudoor unit is succeeded
UL
Wrong code-dialing
during emergency
operation
UE
Refrigerant-charging
is invalid
C0
Communication malfunction
for indoor unit, outdoor unit
and wired controller of indoor
unit
C2
Driven communication
malfunction between
main board and inverter
compressor
C3
Driven
communication
malfunction between
main board and
inverter compressor
C4
Malfunction of indoor
unit-lacking
C5
Alarming due to
engineering series
number shock of indoor
unit
C6
Alarming due to
wrong quanity of
outdoor unit
C8
Emergency status of
compressor
C9 Emergency status of fan
CA
Energycy status of
module
CH High rated capacity CC
No malfunction of main
control unit
CL Low rated capacity CF
Malfunction of main control
unit
CJ Address shock of syste