Trouble-Shooting Guide - Carrier 38ASB Series Installation, Start-Up And Service Instructions Manual

COMPRESSOR
WILL NOT RUN
CONTACTOR
CONTACTOR OPEN
CLOSED
COMPRESSOR
POWER
FAULTY POWER SUPPLY OPEN
SUPPLY
LOSE LEADS
AT COMPRESSOR
OPEN CONTROL
CIRCUIT
OPEN SHORTED OR
GROUNDED
COMPRESSOR
DEFECTIVE TIME
MOTOR WINDINGS
DELAY
COMPRESSOR
STUCK
CONTACTOR OR
COIL DEFECTIVE
COMPRESSOR
INTERNAL
PROTECTION OPEN
LOOSE ELECTRICAL
CONNECTION
INTERNAL
OVERLOAD OPEN
OPEN DISCHARGE
LINE
PRESSURE SWITCH
TROUBLE-SHOOTING CHART – COOLING CYCLE
NO COOLING OR
IN-SUFFICIENT
COOLING
COMPRESSOR RUNS
BUT CYCLES ON
INTERNAL OVERLOAD
OUTDOOR FAN
LOOSE LEAD AT
STOPPED OR CYLING
FAN MOTOR
COOLING
OUTDOOR AIR
RESTRICTED OR
MOTOR DEFECTIVE
RECIRCULATING
INCORRECT
RESTRICTED
OUTDOOR FAN MOTOR
DISCHARGE LINE
CAPACITOR
OVERCHARGE OR
NONCONDENSABLES
IN SYSTEM
LOW REFRIGERANT
CHARGE
LINE VOLTAGE
TO HIGH OR LOW
COMPRESSOR
BEARINGS
HIGH SUPERHEAT
COMPRESSOR RUNS
BUT INSUFFICIENT
COOLING
LOW SUCTION HIGH SUCTION
PRESSURE LOW HEAD
PRESSURE
DEFECTIVE
DIRTY AIR FILTERS
COMPRESSOR
VALVE
INTERNAL
DUCT RESTRICTED
PRESSURE
RELIEF OPEN
DAMPERS PARTY
CLOSED
INDOOR COIL
FROSTED
SLIGHTLY LOW OR
REFRIGERANT
LIQUID LINE SLIGHTLY
RESTRICTED
METERING DEVICE
RESTRICTED
INCORRECT
METERING DEVICE
INDOOR COIL
STRAINER
RESTRICTED
HIGH SUCTION
LOW SUPERHEAT
UNIT OVERCHARGED
INCORRECT
METERING DEVICE
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