Vivax ACP-24CC70AERI2 User Manual page 163

Table 8-2
Symptoms
Unit does not start
Air flowing
normally but
completely can't
cooling
Units start or stop
frequently
Low cooling effect
Low heating effect
Table 8-3
Symptoms
The fan speed can
not be changed.
The remote controller
signal is not transmitted
even when the ON/OFF
button is pushed.
The TEMP. indicator
does not come on.
The indication on the
display disappears after
a lapse of time.
The TIMER ON
indicator goes off
after a lapse of
certain time.
No receiving tone
sounds from the
indoor unit even when
the ON/OFF button is
pressed.
Causes
Power failure.
Power switch is off.
Fuse of power switch may have burned.
Batteries of remote controller exhausted
or other problem of controller.
Temperature is not set correctly.
Be in 3 minutes protection of compressor.
Refrigerant is too little or too much.
Airor no concreting gas in the refrigerating
circuit.
Compressor is malfunction.
Voltage is too high or too low.
System circuit is blocked.
Outdoor unit and indoor unit heat
exchanger is dirty.
The air filter is dirty.
Inlet/outlet of indoor/outdoor units is
blocked.
Doors and windows are open
Sunlight directly shine.
Too much heat resource.
Outdoor temp. is too high.
Leakage of refrigerant or lack of
refrigerant.
Outdoor temperature is lower than 7 C .
Doors and windows not completely
closed.
Leakage of refrigerant or lack of
refrigerant.
Causes

Check whether the MODE indicated on
the display is "AUTO"

Check whether the MODE indicated on
the display is "DRY"

Check whether the batteries in the
remote controller are exhausted.

Check whether the MODE indicated on
the display is FAN ONLY

Check whether the timer operation has
come to an end when the TIMER OFF
is indicated on the display.

Check whether the timer operation is
started when the TIMER ON
indicated on the display.
Check whether the signal
transmitter of the remote controller
is properly directed to the infrared
signal receiver
of the indoor unit when the
ON/OFF button is pressed.
Wait for the comeback of power. Switch on the
power.
Replace the fuse.
Replace the batteries or check the controller.
Set the temperature properly.
Wait.
Check leakage, and rightly recharge
refrigerant.
Vacuum and recharge refrigerant.
Maintenance or change compressor. Install
manostat.
Find reasons and solution. Clean the heat
exchanger. Clean the air filter.
Eliminate all dirties and make air
smooth.
Close doors and windows.
Make curtains in order to shelter from
sunshine.
Reduce heat source.
AC cooling capacity reduces (normal).
Check leakage and rightly recharge
refrigerant.
Use heating device.
Close doors and windows.
Check leakage and rightly recharge
refrigerant.
When the automatic mode is
selected, the air conditioner will
automatically change the fan speed.
When dry operation is selected, the
air conditioner automatically change
the fan speed. The fan speed can be
selected during "COOL" , "FAN
ONLY", and
The power supply is off.
The temperature cannot be set during
FAN mode.
The air conditioner operation will stop
up to the set time.
Up to the set time, the air conditioner will
is
automatically start and the appropriate
indicator will go off.
Directly transmit the signal transmitter of
the remote controller to the infrared
signal receiver of the indoor unit, and
then repeatly push the ON/OFF button
twice.
13
Solution
Solution
"HEAT".