Gree FLEXX Series Service Manual

GREE DC INVERTER HEAT PUMP CONDENSING UNIT
25
3.3 Error Code
No.
Error code
Error
1
E1
Compressor high pressure protection
2
E3
Compressor low pressure protection
3
E4
Compressor air discharge high-temperature protection
4
F2
Condenser temperature sensor error
5
F3
Outdoor ambient temperature sensor error
6
F4
Discharge temperature sensor error
7
F6
ODU tube temperature sensor error
8
EE
ODU memory chip error
9
H4
Overload
10
H5
IPM protection
11
H6
DC fan error
12
H7
Driver out-of-step protection
13
HC
Pfc protection
14
Lc
Startup failure
15
P0
Driver reset protection
16
P5
Over-current protection
17
P6
Master control and driver communication error
18
P7
Driver module sensor error
19
P8
Driver module high temperature protection
20
PA
AC current protection
21
Pc
Driver current error
22
PL
Bus low-voltage protection
23
PH
Bus high-voltage protection
24
PU
Charge loop error
25
ee
Drive memory chip error
26
e1
High pressure sensor error
27
C4
ODU jumper cap error
If malfunction occurs during operation, LCD temperature display zone will show the failure information. If
several malfunctions occur at the same time, their corresponding error codes will be shown in turn. When
malfunction occurs, please shut off the unit and send for professional personnel to repair. For example, E1 (as
shown below) indicates high pressure protection.

Gree FLEXX Series Specifications

General

Type	Heat Pump
Series	FLEXX
SEER	Up to 20
HSPF	Up to 10
Refrigerant	R410A
Heating Operation Range	-22°F to 75°F
Cooling Operation Range	5°F to 122°F
Operating Temperature Range (Heating)	-22°F to 75°F
Operating Temperature Range (Cooling)	5°F to 122°F
Energy Efficiency Ratio (EER)	Up to 12.5
Dimensions (Outdoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Compressor Type	Inverter
Power Supply	208/230V, 1Ph, 60Hz
Noise Level	As low as 55 dB(A)