Gree GWHD(36)NK6OO(LC) User Manual

57
Installation and Maintenance
Service Manual
9.2 Flashing LED of Indoor/Outdoor Unit and Primary Judgement
1. Requirement of malfunction display
When severa
lmalfunctions happen at the same time, malfunction codes will be displayed circularly.
2. Malfunction display method
(1) Hardw
are malfunction: it will be displayed immediately,please refer to “Malfunction status sheet”;
(2) Operation status: it w
ill be displayed immediately, please refer to “Malfunction status sheet”;
(3)
Other malfunction: It will be displayedafter the compressor has been stopped for 200s, please refer to “Malfunction
st
atus sheet”.
(Note:
when the compressor starts up again, malfunction displaywaiting time (200s) will be cleared.)
3. Malfunction display control
Indoor unit displays malfunction code as shown in the sheet below. ODU communication lightwillbeoff for 1s and then blin
k
for 1s circularly.
Malfunction status sheet
ebut eixiNepyt noitcnuflaMeman noitcnuflaM
8Unoitcnuflam erawdraHnoitcnuflam tiucric noitceted ssorc oreZ
5Cnoitcnuflam erawdraHpac repmuj fo noitcetorp noitcnuflaM
6Hnoitcnuflam erawdraHrotom UDI tuohtiw fo kcabdeeF
Indoor ambient temperature sensor is open/short circuitedHardware malfunctio
nF
1
Indoor evaporator temperature sensor is open/short circuited Hardware malfunction F2
Liquid valve temperature sensor is open/short circuitedHardware malfunctio
nb
5
Gas valve temperature sensor is open/short circuited Hardware malfunction b7
Modular temperature sensor is open/short circuitedHardware malfunction P7
Outdoor ambient temperature sensor is open/short circuited Hardware malfunction F3
Outdoor condenser middle pipe temperature sensor is
open/short circuited
Hardware malfunction F4
Outdoor discharge temperature sensor is open/short
circuited
Hardware malfunction F5
6E noitcnuflam erawdraH noitcnuflam noitacinummoC
Malfunction of phase current detection circuit for compressor Hardware malfunction U1
Compressor demagnetization protection
Viewing malfunction code
through remote controller within
200s; displayed directly on
nixietube after 200s
HE
3Urab-sub CD rof gnippord egatlov fo noitcnuflaM
8Pnoitcetorp erutarepmet hgih eludoM
Refrigerant lacking or blockage protection of system (not
available for residential ODU)
F0
UPnoitcnuflam erawdraHroticapac fo noitcnuflam gnigrahC
1Enoitcnuflam erawdraHmetsys fo noitcetorp erusserphgiH
3Enoitcnuflam erawdraH)devreser( metsys fo noitcetorperusserp woL
9. Maintenance

Gree GWHD(36)NK6OO(LC) Specifications

General

Brand	Gree
Model	GWHD(36)NK6OO(LC)
Category	Air Conditioner
Language	English