12
● When the breaker was broken, do not use any
unspecified breaker or other wire to replace
the original breaker. The use of electrical
wires or copper wires may cause the unit to
malfunction or cause a fire.
● Do not insert your fingers, sticks, or other
items into the air inlet or outlet. Do not remove
the fan mesh cover. When the fan rotates at a
high speed, it could cause bodily injury.
● It is very dangerous to check the unit when the
fan is rotating.
● Make sure you turn off the main breaker before
any maintenance work begins.
● Check the supporting and base structure of
the unit for any damages after a long period
of use. The unit could fall and cause personal
injury if there is any damage.
● Do not check or repair the unit on your own.
Please get qualified professionals to conduct
any checks or repairs.
WARNING
● Do not use substances like gasoline, diluent,
or chemical dust cloths to wipe the operations
panel of the controller. Doing so could remove
the surface layer of the controller. If the unit is
dirty, immerse a cloth in diluted and neutral
detergent, wring it out, and then use it to clean
the panel. Lastly, wipe it with a dry cloth.
● Ensure that the area is in the open or that it
is adequately ventilated before opening the
system or conducting any hot work. A degree
of ventilation shall continue during the period
that the work is carried out. The ventilation
should safely disperse any released
refrigerant and preferably expel it externally
into the surroundings.
NOTE
6.2.3.1 Maintenance Before Long
Shutdown
For example, at the end of winter and summer.
● Run the indoor unit in the fan mode for about half a
day to dry the internal parts of the unit.
● Turn off the power supply.
● Clean the air filter and external shell of the unit.
Please contact the installation or maintenance
personnel to clean the air filter and external shell of
the indoor unit. The installation/operation manual of
the specialized indoor unit includes maintenance tips
and cleaning procedures. Make sure that the clean
air filter is installed in its original position.
6.2.3.2 Maintenance After Long Shutdown
For example, in early summer or winter.
●
Check and remove all objects that may clog the air
inlets and outlets of the indoor and outdoor units.
●
Clean the air filter and external shell of the unit. Please
contact the installation or maintenance personnel.
The installation/operation manual of the indoor unit
includes maintenance tips and cleaning procedures.
Make sure that the clean air filter is installed in its
original position.
●
Turn on the main power supply 12 hours before this
unit is operated in order to ensure that the unit runs
smoothly. The user interface is displayed once the
power is turned on.
7. Troubleshooting
7.1 Air Conditioner Problems and
Causes
If one of the following malfunctions occurs, stop the
air conditioner from operating, shut off the power, and
contact your dealer.
●
The remote controller malfunctions or the buttons
do not work well.
●
A safety device such as a leakage breaker or a
circuit breaker is frequently tripped.
●
Dust, moisture and other particles have entered
the unit.
●
Water leaks from the IDU.
●
Other malfunctions.
●
The operation lamp flashes rapidly (twice every
second).
●
This lamp is still flashing rapidly after the power is
restarted.
If the system does not properly operate other than the
above mentioned cases or if the above mentioned
malfunctions are evident, use the following procedures to
check the system. (See Table 7-1)
7.2 Remote Controller Problems
and Causes
Before requesting service or repair, check the following
points.
(See Table 7-2)
Summary of Contents for KMF-80 DVR5
Page 67: ...16127000005207...
Page 68: ......
