KRAFT KF-MAX07 - Page 32

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SPLIT-TYPE ROOM AIR CONDITIONER
USER GUIDE
Dust is emitted from either
the indoor or outdoor unit
The unit may accumulate dust during extended periods of non-use, which will be emitted
when the unit is turned on. This can be mitigated by covering the unit during long periods
of inactivity.
The unit emits a bad odor
The unit may absorb odors from the environment (such as furniture, cooking, cigarettes,
etc.) which will be emitted during operations.
The unit’s lters have become moldy and should be cleaned.
The fan of the outdoor unit
does not operate
During operation, the fan speed is controlled to optimize product operation.
Operation is erratic,
unpredictable, or unit is
unresponsive
Interference from cell phone towers and remote boosters may cause the unit to malfunction.
In this case, try the following:
• Disconnect the power, then reconnect.
• Press ON/OFF button on remote control to restart operation.
NOTE! If problem persists, contact a local dealer or your nearest customer service center. Provide them with a detailed
description of the unit malfunction as well as your model number.
When troubles occur, please check the following points before contacting a repair company.
Problem Possible Causes Solution
Poor Cooling
Performance
Temperature setting may be higher than
ambient room temperature
Lower the temperature setting
The heat exchanger on the indoor or outdoor
unit is dirty
Clean the aected heat exchanger
The air lter is dirty
Remove the lter and clean it according to
instructions
The air inlet or outlet of either unit is blocked
Turn the unit o, remove the obstruction and turn
it back on
Doors and windows are open
Make sure that all doors and windows are closed
while operating the unit
Excessive heat is generated by sunlight
Close windows and curtains during periods of
high heat or bright sunshine
Too many sources of heat in the room (people,
computers, electronics, etc.)
Reduce amount of heat sources
Low refrigerant due to leak or long-term use
Check for leaks, re-seal if necessary and top o
refrigerant
SILENCE function is activated (optional
function)
SILENCE function can lower product performance
by reducing operating frequency. Turn o SILENCE
function.
The unit is not
working
Power failure Wait for the power to be restored
The power is turned o Turn on the power
The fuse is burned out Replace the fuse
Remote control batteries are dead Replace batteries
The Unit’s 3-minute protection has been
activated
Wait three minutes after restarting the unit
Timer is activated Turn timer o
The unit starts and
stops frequently
There’s too much or too little refrigerant in the
system
Check for leaks and recharge the system with
refrigerant.
Incompressible gas or moisture has entered
the system.
Evacuate and recharge the system with refrigerant
The compressor is broken Replace the compressor
The voltage is too high or too low Install a manostat to regulate the voltage