Gree GUHD09NK3FO Service Manual page 36

F2
F3
F4
F5
C5
EE
PF
H3
H4
H5
H6
H7
Hc
L1
Lc
Ld
LF
Lp
U7
P0
P5
P6
P7
P8
P9
PA
PC
Pd
PE
PL
PH
PU
PP
ee
When there is a malfunction during operation, error will be displayed on the temperature displaying zone
of LCD. When several malfunctions occur at the same time, these error code will be displayed circularly.
When there is a malfunction, please turn off the unit and ask the professional for maintenance.
For example, E1 means high pressure protection during operation.
Malfunction of condenser temperature sensor
Malfunction of outdoor ambient temperature sensor
Malfunction of discharge temperature sensor
Malfunction wired controller temperature sensor
Wong dial switch of capacity
Malfunction of outdoor main control memory chip
Malfunction of electric box sensor
Compressor overload protection
Overload protection
IPM protection
Malfunction of DC fan motor
Drive desynchronizing protection
pfc protection
Malfunction of humidity sensor
Start-up failure
Compressor phase protection
Power protection
Models of indoor unit and outdoor unit do not match with each other
Direction changing malfunction of 4-way valve
Drive reset protection
Overcurrent protection
Communication malfunction between main control and drive
Malfunction of drive module sensor
High temperature protection of drive module
Zero-cross protection
AC current protection
Malfunction of drive current
Sensor connection protection
Temperature excursion protection
Low voltage protection of bus bar
High voltage protection of bus bar
Charging circuit malfunction
Abnormity of input voltage
Malfunction of outdoor drive memory chip
Figure 2-6-1
U-Match Series DC
Inverter Service Manual
33