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10
Troubleshooting Tips
The following events may occur during normal operation, and may not indicate malfunction.
SYMPTOM
Possible Cause
Operation is delayed
after restart
To prevent fuses blowing, the compressor will not operate
while the protection circuit is working for about 3 minutes
after sudden OFF—ON operation of the power supply
Fan speed changes to off, very slow and then normal
This automatically happens in heating mode :
-- prevents cold air blowing onto occupants when the
heating operation is first started.
-- during automatic defrosting operation,
-- during low temperature heating operation
Heating operation stops suddenly and defrost-light
blinks on indoor unit
In HEAT mode, the indoor unit may temporarily stop for
maximum of 10 minutes to perform the automatic
defrosting operation
Mist coming out of the indoor unit
In COOL mode, a mist generated by condensation
formed by sudden cooling process may be emitted.
Mist may also be seen due to moisture generated from
defrosting process when the air conditioner restarts in
HEAT mode operation after defrosting.
Low volume sounds are emitted by the air
conditioner
Hissing sound-- during operation or immediately after
stopping the air conditioner a refrigerant flowing sound
may be heard
Squeaking sound-- normal expansion and contraction of
plastic and metal parts caused by temperature change
during operation.
Rushing air-- when louver resets its position.
Dust discharges from indoor unit
May occur when air conditioner is used for the first time or
has not been used for a long time.
Emits a peculiar odour
Various smells generated from interior textiles, furniture,
or cigarette smoke absorbed into the air conditioner may
be emitted. Any burning smell must be reported
immediately.
Changes to fan speed only while cooling or heating
mode
Room temperature has reached the temperature setting
of the remote control.
If not the case call the contact TECH support..
Operation is erratic, unpredictable or unresponsive
Interference from cell phone towers and remote boosters
may cause the unit to malfunction. Flourescent lighting
can also interfere with signal transmission from Remote.
Disconnect the power and then re-connect.
Press the ON/OFF button on the remote controller to
restart operation.
NOTE: If any problems are not resolved, please contact either your dealer or a local dealer or
MIDEA CUSTOMER & TECH SUPPORT on 1300 726 002 for further advice. Be sure to inform them details of the
malfunctions and unit model number..
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