Gree GRS-CQ8.0Pd/NaEK - Trial Run; Error Code List

Test Operation & Troubleshooting & Maintenance
108
1.4 Trial Run
Start the unit when there is no any problem for wiring and piping. After startup, check for the
electrostatic expansion valve, water pump, fan, and compressor to see if they work normally. When
there is any error, solve it according to the troubleshooting flowchart covered in this manual. However, if
the troubleshooting flowchart is still unhelpful, please contact GREE sales agent.
2 Error Code List
No.
Full Name
Displayed Name
Error Code
1
Ambient temperature sensor error
Ambient sensor
F4
2
Defrost temperature sensor error
Defro. sensor
d6
3
Discharge temperature sensor error
Disch. sensor
F7
4
Suction temperature sensor error
Suction sensor
F5
5
Outdoor fan error
Outdoor fan
EF
6
Compressor internal overload protection
Comp. overload
H3
7
High pressure protection
High pressure
E1
8
Low pressure protection
Low pressure
E3
9
High discharge protection
Hi-discharge
E4
10
Refrigerant loss protection
Refri-loss
P2
11
Heat pump-water pump protection
HP-pump
E0
12
Solar kit-water pump protection
SL-pump
EL
13
Swimming pool-water pump protection
Swimming-pump
14
Incorrect capacity DIP switch setting
Capacity DIP
c5
15
Communication error between indoor and outdoor unit
ODU-IDU Com.
E6
16
Drive communication error
Drive com.
17
High pressure sensor error
HI-pre. sens.
Fc
18
Enthalpy-enhancing sensor error
En. senser
F8
19
Low pressure sensor error
LOW-pre. Sens.
dL
20
Heat exchanger-leaving water temperature sensor error
Temp-HELW
F9
21
Auxiliary heater-leaving water temperature sensor error
Temp-AHLW
dH
22
Heat exchanger-entering water temperature sensor error
Temp-HEEW
23
Water tank water temperature sensor 1 error
Tank sens. 1
FE
24
Water tank water temperature sensor 2 error
Tank sens. 2
25
Solar kit-entering water temp sensor
T-SL water out
26
Solar kit-leaving water temp sensor
T-SL water in
FH
27
Solar kit- temp sensor
T-Solar pannel
FF
28
Swimming pool-entering water temp sensor
T-Swimming in
29
Swimming pool-leaving water temp sensor
T-Swimming out
30
Swimming pool-water temp sensor
T-Swimming
31
Remote room sensor 1
T-Remote Air1
F3
32
Remote room sensor 2
T-Remote Air2