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Air-to-water Heat Pump Split Versati
91
SPLIT TYPE
1.4 Trial Run
Start the unit when there is no any problem for wiring and piping. After startup, check for the electronic
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
Incorrect capacity DIP switch setting
Capacity DIP
c5
14
Communication error between indoor and outdoor unit
ODU-IDU Com.
E6
15
Drive communication error
Drive com.
16
High pressure sensor error
HI-pre. sens.
Fc
17
Refrigerant liquid line temperature sensor error
Temp-RLL
F1
18
Refrigerant gas line temperature sensor error
Temp-RGL
F0
19
Swimming pool-water flow switch
SW-Water SW
F1
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 battery
FF
28
Remote room sensor 1
T-Remote Air1
F3
29
Remote room sensor 2
T-Remote Air2
30
Heat pump-water flow switch
HP-Water SW
Ec
31
Solar kit-water flow switch
SL-Water SW
F2
32
Welding protection of the auxiliary heater 1
Auxi. heater 1
EH
33
Welding protection of the auxiliary heater 2
Auxi. heater 2
EH
34
Welding protection of the water tank heater
Auxi. -WTH
EH
35
Under-voltage DC bus or voltage drop error
DC under-vol.
PL
36
Over-voltage DC bus
DC over-vol.
PH
37
AC current protection (input side)
AC curr. pro.
PA