312
Troubleshooting
Details of 7-Segment Display
Index
01
03
04
05
06
07
15
0~255 [A]
12
Ambient Air Temperature
14
Inverter Primary Current
10
Discharge Temperature
(at the Discharge Pipe near the Compressor)
11
Liquid Pipe Temperature (Te)
(at Outdoor Unit Heat Exchanger)
08
High Pressure (Discharge Pressure)
09
Low Pressure (Suction Pressure)
Number to Running Compressor
0~115 [Hz]
Outdoor Fan Step
0~15 [step]
Outdoor Electronic Expansion Valve Opening
0~100 [%]
Total Capacity of Operating Indoor Unit
0~999
Refer to "(1) Indoor Unit Capacity Table"
Inverter Order Frequency to Compressor
Check
No.
Item
Indication Data
Contents
Input/Output State of
Outdoor Micro-Computer
Outdoor chip output state, this show the status of relays
on display PCB.
0~1 [pc]
-0.55~5.52 [MPa]
-0.22~2.21 [MPa]
1~142 [
o
C]
Indication of Sensor Open Circuit: 255
o
C
Indication of Sensor Short Circuit: 0
o
C
-46~80 [
o
C]
Indication of Sensor Open Circuit: 127
o
C
Indication of Sensor Short Circuit: -127
o
C
-46~80 [
o
C]
Indication of Sensor Open Circuit: 127
o
C
Indication of Sensor Short Circuit: -127
o
C
Indoor Electronic Expansion Valve Opening
0~100 [%]
16
Liquid Pipe Temperature of Indoor Unit
-62~127 [
o
C]
17
Gas Pipe Temperature of Indoor Unit
-62~127 [
o
C]
18
-62~127 [
o
C]
19
-62~127 [
o
C]
20
Capacity of Outdoor Unit
0~999
Refer to "(1) Indoor Unit Capacity
Table"
21
Cause Code of I.U.or O.U. Stoppage
0~99
Refer to "(2) Cause Code of I.U.
or O.U. Stoppage"
22
The Degeneration Control of Pressure Ratio Decrease
Protection
23
The Degeneration Control of High Pressure Increase
Protection
24
The Degeneration Control of Inverter Temp. Increase
Protection
25
The Degeneration Control of Discharge Temp. Increase
Protection
26
The Degeneration Control of TdSH Decrease Protection
TdSH:Superheat of Discharge Gas
The Degeneration Control of Overcurrent Protection
13
-46~80 [
o
C]
Indication of Sensor Open Circuit: 127
o
C
Indication of Sensor Short Circuit: -127
o
C
02
:The Degeneration Control is not Activated
:The Degeneration Control is Activated
:The Degeneration Control is not Activated
:The Degeneration Control is Activated
:The Degeneration Control is not Activated
:The Degeneration Control is Activated
:The Degeneration Control is not Activated
:The Degeneration Control is Activated
:The Degeneration Control is not Activated
:The Degeneration Control is Activated
:The Degeneration Control is not Activated
:The Degeneration Control is Activated