Acson AMDS050B5 Betriebshandbuch Und Installationsanleitung Seite 8

When running normally, the LED firstly display the item NO. (0-9) Of the system parameter 0.5s, the display the parameter value 1.5s;
Item System parameter Item System parameter
Dig. Comp. Discharge
0 2
temperature
Outdoor ambient
1 3
temperature
The malfunction code displayed on the LED in the PCB board of outdoor controller:
Code Description
E0 Sensor broken (discharge temp.) E4 Sensor broken (outdoor coil inlet)
Sensor broken (outdoor ambient
E1
temp.)
E2 Sensor broken (outdoor suction)
E3 Sensor broken (crankcase temp.) E7 Discharge temp. Too high(>130)
Notice: "X" in the "CX" means the address code of the indoor;
Item System parameter
Suction temperature 4 Outdoor coil temperature(Inlet)
Crankcase temperature 5 Outdoor coil temperature(Mid)
Code Description
E5 Sensor broken (outdoor coil mid)
E6 Sensor broken (outdoor coil outlet) H2 Dig. Comp. Overload
Item System parameter
Outdoor coil
6
temperature(Outlet)
7 Step of the EXV
Code Description Code Description
E8 System failure L1 Low pressure too low
H1 High pressure too high C-
CX
H3 Other comp. overload
7
Item System parameter
8 PWM Percentage
9 Control integral constant
All indoor and outdoor
communication malfunction
X# indoor and outdoor
communication malfunction