Condition Action | LG Electronics 553cc, 453cc specs

SECTION 5	TROUBLESHOOTING

CONDITION		ACTION
Unit Inoperative	A.	No input power. Check main line (user's) switch fuses -- replace if needed.
	B.	Poor or improper input (terminal board) connections.
	C.	Defective on/off switch on front panel -- replace.
	D.	Main transformer overheating. Also check for proper cooling, proper primary hookup,
		or shorted turn on secondary.
	E.	Fan motor not operating -- check motor and leads.
	F.	Gound fault indicator "ON". - Check for cause and correct. Turn power switch "OFF"
		then "ON" to reset.
	G	Loss of primary phase. Check that LED on control PCB is lit. If not, find & replace
		defective fuse.
No Output - Fan	A.	Poor or improper electrical input -- check input connections on TB.
Running	B.	Poor connections at output terminals/work station -- check, tighten or replace.
	C.	Main transformer overheating -- thermal switches tripped due to restricted cooling air.
		Temperature light on front panel will be lit. Let unit cool down,
	D.	Solid-state breaker tripped due to current overload.
	E.	PC board defective or loose PC board connector(s) -- if loose, reinsert; if defective,
		replace.
Limited Output or Low	A.	Input voltage jumper links on terminal board improperly set -- check for proper voltage.
Open-Circuit Voltage		Poor output connections. Take apart, clean, and reassemble.
	B.	Unit may be single phasing -- check incoming power for three phases.
	C.	Panel-Remote switch in Remote position and remote voltage pot disabled.
Erratic Weld Current	A.	Welding cable size too small -- use correct cables.
	B.	Loose welding cable connection (will usually get hot) -- tighten all connections.
	C.	Improper wire feeder setup.
	D.	Defective SCR in bridge rectifier.
	E.	PC board defective -- replace.
High Output, No	A.	PC board defective or loose -- reset and/or replace board.
Voltage Control
No 115 Volt ac Output	A.	Circuit breaker tripped. Check 42V CB1 and 115V CB2 -- Reset.
Line Fuse Blows When	A.	Shorted SCR in Main Bridge -- replace.
Power Source is First
Turned On

453cc, 553cc specifications

LG Electronics has made a significant mark in the world of home appliances and electronics, particularly with its innovative air conditioning systems. Among its impressive lineup are the 553cc and 453cc models, which exemplify cutting-edge technology and exceptional performance. These air conditioning units are designed to provide comfortable living environments while maximizing energy efficiency.

The LG 553cc model stands out with its refined design and robust features. It comes equipped with advanced inverter technology, which allows for precise temperature control and energy savings. The inverter compressor operates at variable speeds, adjusting to the cooling requirements in real-time, resulting in quieter operation and reduced energy consumption. The 553cc unit is also designed with a high cooling capacity, making it suitable for larger rooms or open spaces, ensuring even temperature distribution throughout the area.

On the other hand, the LG 453cc model caters to smaller spaces while delivering efficient cooling performance. Its compact design does not compromise functionality, making it ideal for apartments or smaller homes. The 453cc model is also equipped with inverter technology, which allows households to enjoy significant energy savings without sacrificing comfort. This air conditioner operates silently, ensuring a peaceful indoor environment.

Both models feature a sleek, modern aesthetic that can blend seamlessly into various room decors. They come with user-friendly smart controls, allowing homeowners to monitor and adjust their air conditioning settings via smartphone apps, providing convenience and accessibility at your fingertips.

Moreover, LG has incorporated air purification technologies in both models. These systems utilize advanced filters to remove contaminants and allergens from the air, promoting a healthier indoor atmosphere. The unique design also emphasizes ease of maintenance, with accessible filters that can be cleaned or replaced easily.

In terms of durability, the materials used in the construction of the 553cc and 453cc models are built to withstand the test of time, with anti-corrosive coatings that increase longevity in varying climates.

Overall, the LG Electronics 553cc and 453cc air conditioning units represent the pinnacle of comfort, technology, and efficiency in modern cooling solutions, catering to diverse needs while ensuring an eco-friendly approach. Choosing either model means investing in a quality product that enhances indoor living spaces with minimal environmental impact.

SECTION 5

TROUBLESHOOTING

CONDITION

ACTION

453cc, 553cc specifications