TROUBLESHOOTING

Refer to Tables 19-21 and Fig. 44 for Troubleshooting information.

Table 19 Ð Cooling Troubleshooting

PROBLEM

CAUSE

REMEDY

 

Power failure.

Call power company.

 

Fuse blown or circuit breaker tripped.

Replace fuse or reset circuit breaker.

Compressor and

Defective thermostat, contactor, transformer, or

Replace component.

control relay.

condenser fan

 

Insufficient line voltage.

Determine cause and correct.

will not start.

 

Incorrect or faulty wiring.

Check wiring diagram and rewire correctly.

 

Thermostat setting too high.

Lower thermostat setting below room

 

temperature.

 

 

 

Faulty wiring or loose connections in compressor

Check wiring and repair or replace.

 

circuit.

 

 

Compressor will not start

Compressor motor burned out, seized, or internal

Determine cause. Replace compressor.

overload open.

but condenser fan runs.

 

Defective run/start capacitor, overload, start relay.

Determine cause and replace.

 

 

One leg of of 3-phase power dead.

Replace fuse or reset circuit breaker.

 

Determine cause.

 

 

 

Refrigerant overcharge or undercharge.

Recover refrigerant, evacuate system, and

 

recharge to nameplate.

 

 

 

Defective compressor.

Replace and determine cause.

Compressor cycles

Insufficient line voltage.

Determine cause and correct.

Blocked condenser.

Determine cause and correct.

(other than normally

satisfying thermostat).

Defective run/start capacitor, overload, or start relay.

Determine cause and replace.

 

Defective thermostat.

Replace thermostat.

 

Faulty condenser-fan motor or capacitor.

Replace.

 

Restriction in refrigerant system.

Locate restriction and remove.

 

Dirty air ®lter.

Replace ®lter.

 

Unit undersized for load.

Decrease load or increase unit size.

 

Thermostat set too low.

Reset thermostat.

Compressor operates

Low refrigerant charge.

Locate leak; repair and recharge.

continuously.

 

 

Leaking valves in compressor.

Replace compressor.

 

 

Air in system.

Recover refrigerant, evacuate system, and

 

recharge.

 

 

 

Condenser coil dirty or restricted.

Clean coil or remove restriction.

 

Dirty air ®lter.

Replace ®lter.

 

Dirty condenser coil.

Clean coil.

Excessive head pressure.

Refrigerant overcharged.

Recover excess refrigerant.

Air in system.

Recover refrigerant, evacuate system, and

 

 

recharge.

 

 

 

Condenser air restricted or air short-cycling.

Determine cause and correct.

 

Low refrigerant charge.

Check for leaks; repair and recharge.

Head pressure too low.

Compressor valves leaking.

Replace compressor.

 

Restriction in liquid tube.

Remove restriction.

Excessive suction

High heat load.

Check for source and eliminate.

Compressor valves leaking.

Replace compressor.

pressure.

Refrigerant overcharged.

Recover excess refrigerant.

 

 

Dirty air ®lter.

Replace ®lter.

 

Low refrigerant charge.

Check for leaks; repair and recharge.

 

Metering device or low side restricted.

Remove source of restriction.

Suction pressure too low.

Insufficient evaporator air¯ow.

Increase air quantity. Check ®lter and replace

 

if necessary.

 

 

 

Temperature too low in conditioned area.

Reset thermostat.

 

Outdoor ambient below 25 F.

Install low-ambient kit.

Evaporator fan

 

 

will not shut off.

Time off delay not ®nished.

Wait for 30-second off delay.

(Sizes 036-060 only.)

 

 

Compressor makes excessive

Compressor rotating in wring direction.

Reverse the 3-phase power leads as

noise (558D072 scroll only).

described in Start-Up section, page 17.

 

Ð32Ð

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Bryant 558D installation instructions Cooling Troubleshooting
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558D specifications

The Bryant 558D represents a leading-edge model in the realm of advanced heating, ventilation, and air conditioning (HVAC) systems. Designed for both residential and light commercial applications, this unit brings together efficiency, performance, and reliability, making it a go-to choice for homeowners and contractors alike.

One of the standout features of the Bryant 558D is its high-efficiency rating. With SEER (Seasonal Energy Efficiency Ratio) ratings that can reach up to 18, it allows homeowners to enjoy significant savings on electricity bills while maintaining a comfortable indoor environment. The system is powered by advanced compressors that ensure optimal performance across various climate conditions, providing consistent cooling and heating as needed.

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Overall, the Bryant 558D stands out as a sophisticated solution for heating and cooling needs, combining energy efficiency, advanced technology, durability, and user-friendly features. It is an excellent investment for those looking to enhance their home comfort while also being mindful of energy consumption.
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