Midea M2OC-18HFN1-M Service Manual page 37

Display
0 Normal display
1 No. of indoor units in good connection
2 Outdoor unit running mode code
3 A indoor unit capacity
4 B indoor unit capacity
5 C indoor unit capacity
6 D indoor unit capacity
7 E indoor unit capacity
8 A Indoor unit capacity demand code
9 B Indoor unit capacity demand code
10 C Indoor unit capacity demand code
11 D Indoor unit capacity demand code
12 E Indoor unit capacity demand code
13 Outdoor unit amendatory capacity demand code
14 The frequency corresponding to the total indoor
units amendatory capacity demand
15 The frequency after the frequency limit
16 The frequency sending to compressor control
chip
17 A indoor unit evaporator outlet temp.(T
18 B indoor unit evaporator outlet temp.(T
19 C indoor unit evaporator outlet temp.(T
20 D indoor unit evaporator outlet temp.(T
21 E indoor unit evaporator outlet temp.(T
22 A indoor unit room temp.(T
23 B indoor unit room temp.(T
24 C indoor unit room temp.(T
25 D indoor unit room temp.(T
26 E indoor unit room temp.(T
27 A indoor unit evaporator temp.(T
28 B indoor unit evaporator temp.(T
29 C indoor unit evaporator temp.(T
30 D indoor unit evaporator temp.(T
31 E indoor unit evaporator temp.(T
32 Condenser pipe temp.(T3)
33 Outdoor ambient temp.(T4)
34 Compressor discharge temp.(Tp)
Remark
Display running frequency, running state or malfunction code
Actual data
Off:0,Fan only 1, Cooling:2, Heating:3, Forced cooling:4
The capacity unit is horse power. If the indoor unit is not connected, the digital
display tube will show: "――"
(9K:1HP,12K:1.2HP,18K:1.5HP)
Norm code*HP
(9K:1HP,12K:1.2HP,18K:1.5HP)
Forced cooling:7
A)
2B
B)
2B
If the temp. is lower than -9 degree, the digital display tube will show "-9".If the
C)
temp. is higher than 70 degree, the digital display tube will show "70". If the
2B
indoor unit is not connected, the digital display tube will show: "――"
D)
2B
E)
2B
If the temp. is lower than 0 degree, the digital display tube will show "0".If the
A)
1
temp. is higher than 50 degree, the digital display tube will show "50". If the
B)
indoor unit is not connected, the digital display tube will show: "――"
1
C)
1
D)
1
E)
1
A)
2
B)
2
C)
2
If the temp. is lower than -9 degree, the digital display tube will show "-9".If the
D)
temp. is higher than 70 degree, the digital display tube will show "70". If the
2
indoor unit is not connected, the digital display tube will show: "――"
E)
2
The display value is between 30~129 degree. If the temp. is lower than 30
degree, the digital display tube will show "30".If the temp. is higher than 99
degree, the digital display tube will show single digit and tens digit. For
example, the digital display tube show "0.5",it means the compressor
discharge temp. is 105 degree.)
Display Number of indoor unit
1 1
2 2
3 3
4 4