Quarterly Maintenance - Huawei Netcol5000-C30 Kw Maintenance And Troubleshooting Manual

Quarterly Maintenance (1)

Inspection
No.
method
Start the indoor unit, choose Maint >
Diagnostic Mode > Enter from the
Operation
1 main screen, and set Humidifier to
inspection
50%. Check whether water can be
injected smoothly.
(Following the preceding step) Set
Humidifer to 0%, and press the
manual water drain button on the side
of the electric control box to "OFF" to
check whether water drainage is
normal. After the check is complete,
set the manual drainage button on the
side of the electric control box to
Operation
2
"ON".
inspection
NOTE
Ensure that the manual drainage
button on the side of the electric
control box is set to "ON" after the
check ends. Otherwise, the humidifer
will not be flled with water when it is
running.
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Operation Troubleshooting
Check that the water inlet sluice is

open.
Disconnect the humidifer water

injection hose and clear the blockage
in the hose.
Disconnect the drainpipe from the
device, and use a rubber mallet to knock
the drainpipe to remove foreign matter
or impurities from the drainpipe.
Then remove the water pump and clean
up impurities from the water pump. If the
impurities are too much to be cleared,
replace the water pump.
NOTE
• When installing a pipe, seal screw
thread joints using water sealant and
ensure that no water leaks.
• If the fault persists after the
maintenance, see Troubleshooting for
further processing.
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