LG LM-2421C2L/A2L Service Manual page 39

When product is operating normally, but there is no cool air from all three indoor unit.
Check as follows.(LM-3022C3L)
No cool air from all three indoor unit
Compressor is operating normally.
Outdoor unit is clogged by extraneous substances.
Remove it and turn off Main Power Source. Check refrigerant pressure
2
(Suction pressure is usually 4.5~6.0kg/cm )
at normal condition.
Turn on Main Power.
Operating after 3 minutes Recharge refrigerant
Cool air from indoor unit
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