4. Service procedures
Refer to the table below for the relationship between the sensor address and the location of the sensor.
Relationship between the sensor address and the location of sensor
Sensor Address | Location of Sensor (Themistor) | |
(CODE No.) |
| |
|
| |
|
|
|
Indoor Unit | 00 | A/C controlled room Temp. |
| 01 | Remote controller room Temp. |
| 02 | Indoor air suction Temp. |
| 03 | Indoor coil Temp. (E1) |
| 04 | Indoor coil Temp. (E2) |
| 05 | Indoor coil Temp. (E3) |
| 06 | — |
| 07 | — |
| 08 | Indoor electronic expantion valve Temp. |
| 09 | — |
Outdoor Unit | 0A | Discharge gas Temp. |
| 0B | — |
| 0C | — |
| 0D | Outdoor coil liquid Temp. (C2) |
| 0E | Outdoor coil liquid Temp. (C1) |
| 0F | — |
| 10 | — |
| 11 | — |
| 12 | — |
| 13 | — |
| 14 | — |
NOTE
In case there are no sensor equipped with the unit, “- -
CResetting the remote controller display to previous mode.
❏ To reset the display, press 
button, then the remote controller will return to previous mode.
(C)Accessing the service problem history
The gist of past service problems can be recalled.
aPress the 
and 
buttons simultaneously for 4 seconds or more to enter the service check mode. The term “CHECK SERVICE” will be illuminated and code No. 01 will be displayed at first. Then the most recent alarm message will be displayed, showing the number of the indoor unit that generated the alarm and the nature of the alarm.
bIn order to monitor more of the service problem history, press the SET TEMP 
, 
( 
) button. This will change the service problem history number (code number).
Code number 01 (most recent)…code number 04 (oldest)
NOTE
The service problem history keeps four problems in memory.
c Pressing the 
button will clear the entire indoor unit alarm history. Pressing the 
button will restore the normal operating display.
c
b
a c
2081_M_I
Fig.
SM830082
4 |
IV - 23
