Troubleshooting - Hitachi RAK-18PSA Instruction Manual

TROUBLESHOOTING

FILTER CLEANING OPERATION
Filter cleaning is
performed after
the power is
turned on (after
the plug-in or after
the circuit breaker
is switched on
after power failure)
Filter cleaning
operation does not
start
( (CLEAN) indicator
blinks or lit and dim
repeatedly)
Noise occurred
during filter
cleaning operation
Cleaning unit
stops halfway
Micro mesh
stainless filter is
still dirty
• This is for filter cleaning operation check.
• In basic air-conditioner operation (cooling operation etc.), the filter cleaning operation
will not start even when the
pressed. ( (CLEAN) indicator lit for 1 second/off for 1 second, for 10 seconds)
• During filter cleaning operation or within 5 minutes after the operation, even when
the (FILTER CLEAN) button on the remote controller is pressed, the filter
cleaning operation will not restart to protect the device.
( (CLEAN) indicator lit for 1 second/off for 1 second, for 10 seconds)
• Is "filter cleaning operation prohibited" being set?
Please return to the filter cleaning operation setting.
( (CLEAN) indicator lit for second/off for 1 second, for 10 seconds)
• Are micro mesh stainless filter, dust catcher, filter cleaning wiper, wiper cover correctly
installed?
( (CLEAN) indicator lit for 4 seconds/off for 1 second)
• Filter cleaning is not performed if the air conditioner operation is stopped by Sleep
Timer or Off Timer function. However, if the air conditioner is stopped by Sleep
Timer or Off Timer every time, filter cleaning will be performed approximately once
a week.
• A whirring motor noise is generated due to driving of the cleaning unit.
• A clapping noise is generated when the dust catcher collects the dust swept by the
cleaning unit.
• A clapping noise is generated when the dust catcher is turned over by the cleaning
unit.
• A sweeping sound is generated when the cleaning unit sweeps the dust.
• After the filter cleaning wiper maintenance, is the cleaning unit return to the right
end part using the remote controller?
• Are micro mesh stainless filter, dust catcher, filter cleaning wiper, wiper cover correctly
installed?
( (CLEAN) indicator lit for 4 seconds/off for 1 second)
• Filter may not be cleaned evenly depending on the environment in which the air
conditioner is used. To solve this problem, clean the micro mesh stainless filter.
• Depending on dust amount, the micro mesh stainless filter may not be completely
cleaned by manual filter cleaning operation performed at your preferred time while
filter cleaning operation is prohibited.
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(FILTER CLEAN) button on the remote controller is