Gree MULTI24HP230V1CO

22
Installation and Maintenance
Service Manual
9. Troubleshooting
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1. Requirement of malfunction display
When several malfunctions 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 displayed after the compressor has been stopped for 200s, please refer to “Malfunction
st
atus sheet”.
(Note:
when the compressor starts up again, malfunction display waiting time (200s) will be cleared.)
3. Malfunction display control
Indoor
unit displays malfunction code as shown in the sheet below. ODU communication light will be off for 1s and then blink
for 1s circularly.
4. Viewing malfunction code through remote controller
Enter viewing malfunction code: pressing light button for 6 times within 3S to view malfunction code;
Exit viewing malfunction code: pressing light button for 6 times within 3S or after the malfunction code is displayed for 5min.
Malfunction status sheet
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8UnoitcnuflamerawdraHn(for indoor unit)oitcnuflamtiucricnoitcetedssorcoreZ
5CnoitcnuflamerawdraHp(for indoor unit)acrepmujfonoitcetorpnoitcnuflaM
6HnoitcnuflamerawdraHr(for indoor unit)otomUDItuohtiwfokcabdeeF
Indoor ambient temperature sensor is open/short circuited Hardware malfunction F1
Indoor evaporator temperature sensor is open/short circuited Hardware malfunction F2
Liquid valve temperature sensor is open/short circuited Hardware malfunction b5
Gas valve temperature sensor is open/short circuited Hardware malfunction b7
Modular temperature sensor is open/short circuited Hardware 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
6EnoitcnuflamerawdraHnoitcnuflamnoitacinummoC
Malfunction of phase current detection circuit for compressor Hardware malfunction U1
Viewing malfunction code
through remote controller within
200s; displayed directly on
nixietube after 200s
8P
noitcetorperutarepmethgiheludoM
Refrigerant lacking or blockage protection of system (not
available for residential ODU)
F0
UPnoitcnuflamerawdraHroticapacfonoitcnuflamgnigrahC
1EnoitcnuflamerawdraHmetsysfonoitcetorperusserphgiH
3EnoitcnuflamerawdraH)devreser(metsysfonoitcetorperusserpwoL