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LG
Air-Cooled Cooling Only Inverter Scroll Chiller Installation and Owners Manual
Self Diagnosis Function
This function self diagnoses the chiller, and displays the error. The
error code appears in the pop up window in HMI. When the error
is resolved, press the “Reset” button on HMI to close the pop up
window.
OK Button
The OK Button closes the error pop up window. The error codes
pop up window is closed for technician convenience from the HMI
screen, but the current error code status is maintained.
Error Code
The error code is configured as below.
HMI Communication Error
OK
3URFHVV$ODUP(UURU
Common Error
CH10XXX error stops product operation.
Error By Cycle
When the error occurs by cycle, the applicable cycle is maintained at stopped condition and normal cycles operate normally. When the cycle
error is canceled, the chiller resumes normal operation.
If comprised of three (3) cycles, chiller will maintain overall operation, even when two (2) cycles are in error. The chiller will stop only when all three
(3) cycles are in error.
Figure 117: HMI Error Screen.
CH
X
XXX
X
Displays the error code.
Displays the error cycle number. (0~3)
0: Common Error
1: Cycle 1 Error
2: Cycle 2 Error
3: Cycle 3 Error
Displays the unit number, and
current product is set to 1.
Figure 118: Error Code Nomenclature.
TEST RUN
