Outdoor Unit Point Check Function - KOREL M2OC-18HFN8-Q Service Manual

9.4 Outdoor unit point check function

A check switch is included on the outdoor PCB.
Push SW1 to check the unit's status while running. The digital display shows the following codes each time
the SW1 is pushed.
Display
Number
of
Presses
0 Normal display
1 Quantity of indoor units with working connection
2 Outdoor unit running mode code
3 Indoor unit A capacity
4 Indoor unit B capacity
5 Indoor unit C capacity
6 Indoor unit D capacity
7 Indoor unit E capacity
8 Indoor unit A capacity demand code
9 Indoor unit B capacity demand code
10 Indoor unit C capacity demand code
11 Indoor unit D capacity demand code
12 Indoor unit E 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 Indoor unit A evaporator outlet temperature (T
18 Indoor unit B evaporator outlet temperature (T
19 Indoor unit C evaporator outlet temperature
(T C)
2B
20 Indoor unit D evaporator outlet temperature
(T D)
2B
21 Indoor unit E evaporator outlet temperature (T
22 Indoor unit A room temperature (T
23 Indoor unit B room temperature (T
24 Indoor unit C room temperature (T
25 Indoor unit D room temperature (T
26 Indoor unit E room temperature (T
27 Indoor unit A evaporator temperature (T
28 Indoor unit B evaporator temperature (T
29 Indoor unit C evaporator temperature (T
30 Indoor unit D evaporator temperature (T
31 Indoor unit E evaporator temperature (T
32 Condenser pipe temperature (T3)
33 Outdoor ambient temperature (T4)
34 Compressor discharge temperature (TP)
Remark
Displays running frequency, running state, or malfunction code
Actual data
Off: 0,Fan only: 1, Cooling: 2, Heating: 3, Forced cooling: 4. Forced
defrosting :A
The capacity unit is horse power. If the indoor unit is not connected, the
digital display shows the following: "――"
(9K:1HP,12K:1.2HP,18K:1.5HP)
Norm code*HP
(9K: 1HP,12K: 1.2HP,18K: 1.5HP)
A)
2B
B)
2B
If the temperature is lower than -9
temperature is higher than 70
indoor unit is not connected, the digital display shows: "――"
E)
2B
If the temperature is lower than 0 ℃, the digital display shows "0." If the
A)
1
temperature is higher than 50 ℃, the digital display shows "50." If the
B)
indoor unit is not connected, the digital display shows: "――"
1
C)
1
D)
1
E)
1
A)
2
B)
2
C)
2
If the temperature is lower than -9 ℃, the digital display shows "-9." If the
D)
temperature is higher than 70 ℃, the digital display shows "70." If the
2
indoor unit is not connected, the digital display shows: "――"
E)
2
The display value is between 30–129 ℃. If the temperature is lower than
30 ℃, the digital display shows "30." If the temperature is higher than
27
Display Number of indoor unit
1 1
2 2
3 3
4 4
℃
, the digital display shows "-9." If the
℃
, the digital display shows "70." If the