Troubleshooting Chart - Bryant R-22 Application Manual And Service Manual

COMPRESSOR
WILL NOT RUN
CONTACTOR CONTACTOR
OPEN CLOSED
COMPRESSOR
POWER SUPPLY
POWER SUPPLY
OPEN
DEFECTIVE
LOOSE LEADS AT
LOW-VOLTAGE
COMPRESSOR
TRANSFORMER
OPEN FAULTY START
THERMOSTAT GEAR (1-PH)
OPEN SHORTED
OR GROUNDED
OPEN CONTROL
COMPRESSOR
CIRCUIT
MOTOR
WINDINGS
LOSS OF COMPRESSOR
CHARGE STUCK
COMPRESSOR
CONTACTOR OR INTERNAL
COIL DEFECTIVE PROTECTION
OPEN
LOOSE
DEFECTIVE RUN
ELECTRICAL
CAPACITOR
CONNECTION
AIR CONDITIONER

TROUBLESHOOTING CHART

NO COOLING OR
INSUFFICIENT
COOLING
COMPRESSOR
RUNS BUT
CYCLES ON
INTERNAL
OVERLOAD
OUTDOOR FAN
STOPPED OR LOOSE LEAD
CYCLING ON AT FAN MOTOR
OVERLOAD
OUTDOOR AIR
MOTOR
RESTRICTED OR
DEFECTIVE
RECIRCULATING
RESTRICTED INCORRECT
DISCHARGE OFM
TUBE CAPACITOR
OVERCHARGE
OR NON-
CONDENSABLES
IN SYSTEM
LOW
REFRIGERANT
CHARGE
LINE VOLTAGE
TOO HIGH OR
LOW
DEFECTIVE RUN
CAPACITOR
COMPRESSOR
BEARINGS
HIGH
SUPERHEAT
Fig. 52—Air-Conditioner Troubleshooting Chart
—48—
COMPRESSOR
RUNS BUT
INSUFFICIENT
COOLING
HIGH SUCTION
LOW SUCTION
LOW HEAD
PRESSURE
PRESSURE
DEFECTIVE
DIRTY AIR
COMPRESSOR
FILTERS
VALVES
INTERNAL
DUCT
PRESSURE
RESTRICTED
RELIEF OPEN
DAMPERS
PARTLY CLOSED
INDOOR COIL
FROSTED
SLIGHTLY
LOW ON
REFRIGERANT
LIQUID LINE
SLIGHTLY
RESTRICTED
PISTON
RESTRICTED
INCORRECT
SIZE
PISTON
INDOOR COIL
STRAINER
RESTRICTED
INDOOR
BLOWER MOTOR
DEFECTIVE OR
CYCLING ON OL
HIGH SUCTION
LOW
SUPERHEAT
UNIT
OVERCHARGED
INCORRECT
SIZE
PISTON
A90208