Lg Sims - Self Diagnosis Functions - LG Art Cool Premier LA120HYV1 Installation Manual

TROUBLESHOOTING

LG SIMS - Self Diagnosis Functions

The SIMs WLAN module and the smart phone app together provide monitoring and troubleshooting capability for
LG Duct Free Systems. SIMs functions only with LG Duct Free products (Figure 75).
SIMs can display and graph operational data for the air conditioner system including the indoor unit and
the outdoor unit. SIMs also displays error codes and a troubleshooting guide. A full copy of the LG SIMs
Smart Inverter Monitoring System User's Manual is available on the www.lghvac.com website.
To use SIMs you must be a trained HVAC service technician familiar with variable refrigerant flow
(VRF) systems in general and with LG's Duct Free System products. You should understand the
inverter air conditioning operation cycle, the meaning of the data displayed by SIMs, and how to use the
data to troubleshoot the system.
Figure 76 shows a Multi F configuration used with the SIMs module and app. LG SIMs can also be used
with Single Zone one-to-one configurations such as the Single Zone Wall Mount systems.
Figure 76: SIMs WLAN Module to Typical DFS System
WARNING
High voltages capable of causing death are used in this equipment. Out-
door unit power remains connected during this procedure. Take extreme
caution not to touch electrical components or connections. Failure to
observe this warning can result in death or severe injury.
SIMs App Main Info Screen
The main screen is the first screen displayed after wireless connection is
established. Tap the Main Info tab to display current readings regarding
your indoor and outdoor unit(s). The Operational Info area of the screen
will show active functions or modes by illuminating the light to the right of
the function (Figure 77).
Additional Help information can be accessed by tapping the Help Menu
buttons at the bottom of this screen.
54
LG SIMs App
on Smart Phone
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
Figure 75: LG SIMs App and WLAN Module
• The Duct Free System air conditioning system
must run for at least 15–20 minutes before data
collected by SIMs 2.0 is valid for troubleshooting.
• You must have the free SIMs app correctly in-
stalled on your smart phone before using SIMs.
• Some ODUs have an LGMV extension cable ac-
cessed by removing the side handle cover. If the
ODU does not have this extension cable, access
the LGMV connector by removing the top cover
LG SIMs
of the ODU.
WLAN Module
Figure 77: SIMs App Main Info Screen
Operational
Information
AC Cycle
Information on
Main Info Tab
Help Menu
(File is Factory Use Only)