“Au” Remote Emergency Stop; “Ab” Emergency Stop; “Af” Fan Blow; “Aj” Cleaning Alarm For Filter - Gree UML600H/A-MP Service Manual

GREE
Applicable model: all models.
Judgment condition and method for the fault：It is a status code, which means the system has
entered cooling mode setting status.
Possible reason：——
Troubleshooting：——
(8) "AF" fan blow
Fault display: the main board of outdoor unit will display
Applicable model: all models.
Judgment condition and method for the fault：It is a status code, which means the system has
entered fan blow mode, at this time, the indoor unit can only operate in fan blow mode.
Possible reason：——
Troubleshooting：——
(9) "AJ" cleaning alarm for filter
Fault display: the indoor unit will display
Applicable model: all indoor units.
Judgment condition and method for the fault： It is a status code, which means cleaning alarm for
indoor unit filter is due, the filter shall be cleaned, and the period can be set according to actual operation
circumstances.
Possible reason：——
Troubleshooting：Clean the filter and remove the alarm, then enter the next usage period.
(10) "AU" remote emergency stop
Fault display: the main board of outdoor unit and indoor unit will display
Applicable model: all models.
Judgment condition and method for the fault：It is a status code, which means the unit is
controlled in emergency stop status remotely, unless eliminating the status, otherwise, the unit can't be
started.
Possible reason：——
Troubleshooting：——
(11) "Ab" emergency stop
Fault display: the main board of outdoor unit and indoor unit will display
Applicable model: all models, but extra wiring is needed.
Duct type Ducted Type Split Air-Conditioner Units
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