COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem

Possible Cause

Possible Solution

 

Sublimation:

Ensure that foam gaskets are installed in

 

When unconditioned saturated,

between window panes & in between the

 

outside air mixes with conditioned

unit & the sleeve. Also, ensure that fresh

 

air, condensation forms on the

air/exhaust vents (on applicable models) are in

Water “spitting”

cooler surfaces

the closed position & are in tact

into room

Downward pitch of installation is

Follow installation instructions to ensure that

 

downward pitch of installed unit is no less than

 

too steep towards back of unit

 

1/4” & no more than 3/8”

 

 

 

Restricted coil or dirty filter

Clean & advise customer of periodic cleaning

 

& maintenance needs of entire unit

 

 

Problem

Possible Cause

Possible Solution

 

Insufficient air circulation thru area

Adjust louvers for best possible air circulation

 

to be air conditioned

Excessive

 

Oversized unit

Operate in “MoneySaver” position

moisture

Inadequate vapor barrier in building

Advise customer

 

 

structure, particularly floors

 

 

Problem

Possible Cause

Possible Solution

 

Defective thermistor

Replace thermistor or electronic control board

 

Unit oversized

See sizing chart. Correct as needed.

Unit

Chassis seal gasket not sealing or

Check gasket. Reposition or replace as

short cycles

absent causting unit to short cycle

needed

 

 

 

 

 

Restricted coil or dirty filter

Clean & advise customer of periodic cleaning

 

& maintenance needs of entire unit

 

 

Problem

Possible Cause

Possible Solution

 

Defective indoor ambient thermistor

Check alarms. Replace thermistor or electronic

Prolonged off

or electronic control board

control board

 

 

cycles

 

 

Defective remote wall t-stat

Replace t-stat

 

 

 

 

Problem

Possible Cause

Possible Solution

 

Evaporator drain pan cracked or

Repair, clean or replace as required

 

obstructed

 

 

 

Water in compressor area

Detach shroud from pan & coil. Clean &

Outside water

remove old sealer. Reseal, reinstall & check

 

leaks

Obstructed condenser coil

Use pressure wash or biodegradable cleaning

 

agent to clean

 

 

 

Fan blade/slinger ring improperly

Adjust fan blade to 1/2” of condenser coil fin

 

positioned

pack

64

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Friedrich SS14N10*, SS12N10*, SS15N30*, SS10N10*, SM18N30* service manual Problem Possible Cause Possible Solution

SM18N30*, SS10N10*, SS15N30*, SS12N10*, SS14N10* specifications

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User-friendly controls add another layer of convenience. Many models incorporate smart technology allowing users to control the units via mobile apps or home automation systems. This feature enables remote operation, scheduling, and real-time monitoring, making it easier to manage climate conditions effectively.

In terms of design, models like SS10N10* prioritize aesthetics without compromising functionality. They feature sleek, modern designs that seamlessly integrate into various decors, whether in a home or an office. Additionally, quiet operation technology reduces noise levels during functionality, enhancing comfort, particularly in bedrooms or quiet office environments.

Overall, Friedrich’s SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30* models embody the brand's commitment to innovation and customer satisfaction. Their blend of energy efficiency, advanced cooling technology, air quality enhancement, and smart controls positions them as leaders in the air conditioning market, catering to diverse cooling needs while promoting a sustainable future.