Midea MSA-OASIS-P25-I User Manual page 54

CARE AND MAINTENANCE
COMMON ISSUES
The following problems are not a malfunction and in most situations will not require repairs.
Issue Possible Causes
Unit does not turn The Unit has a 3-minute protection feature that prevents the
on when pressing unit from overloading. The unit cannot be restarted within
ON/OFF button three minutes of being turned off.
The unit may change its setting to prevent frost from forming
on the unit. Once the temperature increases, the unit will start
The unit changes
operating in the previously selected mode again.
from COOL/HEAT
The set temperature has been reached, at which point the unit
mode to FAN mode
turns off the compressor. The unit will continue operating when
the temperature fluctuates again.
In humid regions, a large temperature difference between the
The indoor unit
emits white mist room's air and the conditioned air can cause white mist.
Both the indoor and When the unit restarts in HEAT mode after defrosting, white mist
outdoor units emit may be emitted due to moisture generated from the defrosting
process.
white mist
A rushing air sound may occur when the louver resets its
position.
The indoor unit
A squeaking sound may occur after running the unit in HEAT
makes noises
mode due to expansion and contraction of the unit's plastic
parts.
Low hissing sound during operation: This is normal and is caused
by refrigerant gas flowing through both indoor and outdoor
units.
Both the indoor unit Low hissing sound when the system starts, has just stopped
and outdoor unit running, or is defrosting: This noise is normal and is caused by
make noises the refrigerant gas stopping or changing direction.
Squeaking sound: Normal expansion and contraction of
plastic and metal parts caused by temperature changes during
operation can cause squeaking noises.
The outdoor unit The unit will make different sounds based on its current operating
makes noises mode.
Dust is emitted from The unit may accumulate dust during extended periods of non-
either the indoor or use, which will be emitted when the unit is turned on. This can be
outdoor unit mitigated by covering the unit during long periods of inactivity.
The unit may absorb odors from the environment (such as
furniture, cooking, cigarettes, etc.) which will be emitted during
The unit emits a bad
operations.
odor
The unit's filters have become moldy and should be cleaned.
The fan of the
During operation, the fan speed is controlled to optimize product
outdoor unit does
operation.
not operate
Interference from cell phone towers and remote boosters may
Operation is erratic, cause the unit to malfunction.
unpredictable, or In this case, try the following:
unit is unresponsive Disconnect the power, then reconnect.
Press ON/OFF button on remote control to restart operation.
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SAFETY PRECAUTIONS
If ANY of the following conditions
occurs, turn off your unit immediately!
You smell a burning odor
The unit emits loud or abnormal
sounds
A power fuse blows or the circuit
breaker frequently trips
Water or other objects fall into or
out of the unit
DO NOT ATTEMPT TO FIX THESE
YOURSELF! CONTACT AUTHORIZED
SERVICE PROVIDER IMMEDIATELY!
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.