Friedrich WY10B33A-B, WS08B10A-C, WE16B33A-B, WE13B33B-B, WE10B33A-B Overload inoperative. Opens too

Models: WS10B10A-C WS10B30A-C WS16B30A-C WS13B30B-C WY10B33A-B WY13B33A-B WS14B10A-C WE10B33A-B WE13B33B-B WE16B33A-B WS08B10A-C

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Problem

Possible Cause

Action

 

Overload inoperative. Opens too

Check operation of unit. Replace overload if

 

soon

system operation is satisfactory

 

Compressor restarted before

Allow a minimum of 2 minutes to allow

 

pressures to equalize before attempting to

 

system pressures equalized

 

restart. Instruct customer of waiting period

 

 

 

 

Check voltage with unit operating. Check for

Compressor runs

Low or fluctuating voltage

other appliances on circuit. Air conditioner

for short periods

 

should be in separate circuit for proper voltage

only. Cycles on

 

& fused separately

overload

Incorrect wiring

Refer to appropriate wiring diagram

 

Shorted or incorrect capacitor

Check by substituting a known good capacitor

 

of correct rating

 

 

 

Restricted or low air flow through

Check for proper fan speed or blocked

 

condenser coil

condenser

 

Compressor running abnormally

Check for kinked discharge line or restricted

 

hot

condenser. Check amperage

Problem

Possible Cause

Action

 

Loss of charge in t-stat bulb

Place jumper across t-stat terminals to check if

T-stat does not

unit operates. If unit operates, replace t-stat.

 

turn unit on

Loose or broken parts in t-stat

Check as above

 

Incorrect wiring

Refer to appropriate wiring diagram

Problem

Possible Cause

Action

 

Poorly installed

Refer to Installation Manual for proper

 

installation

 

 

 

Fan blade striking chassis

Reposition - adjust motor mount

Noisy operation

 

Check that compressor grommets have not

Compressor vibrating

deteriorated. Check that compressor mounting

 

 

 

parts are not missing

 

Improperly mounted or loose

Check assembly & parts for looseness,

 

cabinet parts

rubbing & rattling

Problem

Possible Cause

Action

 

Evaporator drain pan overflowing

Clean obstructed drain trough

 

Condensation forming on base pan

Evaporator drain pan broken or cracked.

 

Reseal or replace

 

Poor installation resulting in rain

Check installation instructions. Reseal as

Water leaks into

entering the room

required

the room

Condensation on discharge grille

Clean the dirty evaporator coil. Use pressure

 

louvers

wash or biodegradable cleaning agent to clean

 

Chassis gasket not installed

Install gasket, per Installation manual

 

Downward slope of unit is too

Refer to installation manual for proper

 

steep

installation

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Image 17
Friedrich WY10B33A-B, WS08B10A-C, WE16B33A-B, WE13B33B-B, WE10B33A-B, WS14B10A-C, WY13B33A-B Overload inoperative. Opens too