GREE Duct type Ducted Type Split Air-Conditioner Units
101
Possible reason：
1) Motor stops operation or it is blocked.
2) IDU mainboard is abnormal.
(32) “L5” freeze protection
Error display: wired controller of IDU and the dash receiver of IDU will display .
Error judgment condition and method:
Check IDU pipe temperature. When pipe temperature is too low, freeze protection will be activated
to prevent freezing damage of evaporator.
Possible reason
：
1) IDU filter and evaporator are dirty.
2) IDU motor is blocked.
3) Refrigerant amount is insufficient.
4) Ambient temperature of IDU and ODU is too low.
(33) “n0” energy conservation setting for operation
Error display: the main board of outdoor unit and indoor unit will display .
Applicable model: all models.
Error judgment condition and method
：
It is a code for function setting status, which means the system has entered energy conservation
setting status. “00” means comfort shall take preferential control; “01” means energy conservation shall
take preferential control; at this time, 15% of energy conservation can be achieved to the greatest extent.
Possible reason
：——
Troubleshooting
：——
(34) “n4” limit setting for the maximum output capacity
Error display: the main board of outdoor unit and indoor unit will display .
Applicable model: all models.
Error judgment condition and method
：It is a code for function setting status, which means the
system has entered the highest limit setting for the maximum output capacity. “10” means the highest
output capacity is 100%; “09” means the highest output capacity is 90%; “08” means the highest output
capacity is 80%.
Possible reason
：——
Troubleshooting
：——
(35) “n6” malfunction inquiry
Error display: the main board of outdoor unit and indoor unit will display .
Applicable model: all models.
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