Maintenance - Long Periods Of Non-Use; Maintenance - Pre-Season Inspection; Troubleshooting; Common Issues - Perfect Aire 3PAMSCH12 Owner's Manual

SAFETY & PRECAUTIONS
CARE AND MAINTENANCE
MAINTENANCE –
LONG PERIODS OF NON-USE
If you plan not to use your air conditioner for an
extended period of time, do the following:
Clean all filters Turn on FAN function until
unit dries out completely
Turn off the unit and Remove batteries
disconnect the power from remote control
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MAINTENANCE –
PRE-SEASON INSPECTION
After long periods of non-use, or before periods
of frequent use, do the following:
Check for damaged wires Clean all filters
Check for leaks Replace batteries
Make sure nothing is blocking all air inlets and outlets

TROUBLESHOOTING

SAFETY PRECAUTIONS
If ANY of the following conditions occurs, turn off your unit immediately!
• The power cord is damaged or abnormally warm
• 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 AN AUTHORIZED SERVICE
PROVIDER IMMEDIATELY!

COMMON ISSUES

The following problems are not a malfunction and in most situations will not require repairs.
Issue Possible Causes
The Unit has a 3-minute protection feature that prevents the unit from
overloading. The unit cannot be restarted within three minutes of being turned off.
Unit does not turn on
Cooling and Heating Models: If the Operation light and PRE-DEF (Pre-heating/
when pressing ON/OFF
Defrost) indicators are lit up, the outdoor temperature is too cold and the unit's
button
anti-cold wind is activated in order to defrost the unit.
In Cooling-only Models: If the "Fan Only" indicator is lit up, the outdoor temperature
is too cold and the unit's anti-freeze protection is activated in order to defrost the unit.
The unit may change its setting to prevent frost from forming on the unit.
Once the temperature increases, the unit will start operating in the previously
The unit changes from
selected mode again.
COOL/HEAT mode to
FAN mode
The set temperature has been reached, at which point the unit turns off the compressor.
The unit will continue operating when the temperature fluctuates again.
The indoor unit emits In humid regions, a large temperature difference between the room's air and
white mist the conditioned air can cause white mist.
Both the indoor and
When the unit restarts in HEAT mode after defrosting, white mist may be
outdoor units emit
emitted due to moisture generated from the defrosting process.
white mist
A rushing air sound may occur when the louver resets its position.
A squeaking sound is heard when the system is OFF or in COOL mode.
The indoor unit
The noise is also heard when the drain pump (optional) is in operation.
makes noises
A squeaking sound may occur after running the unit in HEAT mode due to
expansion and contraction of the unit's plastic parts.
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