GREE Duct type split Air conditioner Inverter Series
86
Troubleshooting
:
Yes
No
No
“
b1
”
outdoor
ambient temperature
sensor error
Is the terminal between
mainboard and ambient temperature
sensor loose or any foreign
objects inside the terminal?
If it is loosened or there are foreign
objects, retighten it after treatment.
Check if the temperature
sensor is abnormal
Yes
Replace the
temperature sensor
Check if the circuit is
abnormal
Yes
Replace the main
control board
(14) “b2” malfunction of defrosting temperature sensor 1
Fault display:
the main board of outdoor unit and indoor unit will display
.
Applicable model:
all outdoor units.
Judgment condition and method for the fault
:
Sample the AD value of temperature sensor through temperature sensor detecting circuit and judge
the range of AD value, if the sampling AD value exceeds upper limit and lower limit in 30 seconds
continuously, report the error.
Содержание CF01000730
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