BGH BSBSIC24CTK Manual page 61

Water Drainage
Stop the air condi tioner running, turn off the power, and put back the cover.
③
Stop the air conditioner. After 3 minutes, check if it has abnormity. If the collocation of drainpipes is illogical, the water will flow back
overfull, which will cause the alarm lamp flashes, even overflow from the water receipt plate.
Keep on pouring water until it gives an alarm signal for high water level, check if the pump drains water at once. If the water level can't fall
below the alarmed water level after 3 minutes, the air conditioner will stop. Turn off the power and drain the remained water, and then turn
on the air conditioner.
Note: the drain stuff in the main water receipt plate is for maintenance. Stuff up the drain stuff to prevent water leakage.
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Installation