Trouble Shooting - Carrier 07KHP Installation Manual

TROUBLESHOOTING CHART-COOLING CYCLE
COMPRESSOR
WILL NOT RUN
CONTACTOR
OPEN
FAULTY POWER
SUPPLY
OPEN CONTROL
CIRCUIT
DEFECTIVE
TIME DELAY
CONTACTOR OR
COIL DEFECTIVE
LOOSE
ELECTRICAL
CONNECTION
INTERNAL
OVERLOAD OPEN
OPEN
HP PRESSURE
SWITCH
13
COMPRESSOR RUNS
BUT CYCLES ON
OVERLOAD
CONTACTOR
CLOSED
RESTRICTED
DISCHARGE LINE
COMPRESSOR
POWER
SUPPLY OPEN OVERCHARGED OR
NONCONDENSABLES
IN SYSTEM
LOOSE LEADS
AT COMPRESSOR
LOW REFRIGERANT
CHARGED
FAULTY START
GEAR (1PH)
LINE VOLTAGE TOO
HIGH OR LOW
OPEN, SHORTED
OR GROUNDED
COMPRESSOR
DEFECTIVE FAN
MOTOR WINDING
CAPACITOR
COMPRESSOR COMPRESSOR
STUCK BEARINGS
COMPRESSOR
INTERNAL SUPERHEAT
PROTECTION
OPEN
NO WATER FLOW
THROUGH HEAT
EXCHANGER
AIR TRAPPED IN
WATER CIRCUIT
BLOCKED WATER
CIRCUITS HEAT
EXCHANGER
NO COOLING OR
IN-SUFFICIENT
COOLING
INTERNAL
LOW SUCTION
RESTRICTED
DAMPER PARTLY
INDOOR COIL
REFRIGERANT
HIGH
RESTRICTED
METERING DEVICE
RESTRICTED
METERING DEVICE
INDOOR COIL
RESTRICTED
CONDENSER ENT.
WATER TEMP.
COMPRESSOR
RUNS BUT
INSUFFICIENT
COOLING
HIGH SUCTION
PRESSURE LOW HEAD
PRESSURE
DIRTY AIR
FILTERS DEFECTIVE
COMPRESSOR
VALVES
DUCT
INTERNAL
PRESSURE RELIEF
OPEN
CLOSED
FROSTED
SLIGHTLY
LOW ON
LIQUID LINE
SLIGHTLY
INCORRECT
STAINER
TO LOW
HIGH SUCTION
LOW SUPERHEAT
UNIT
OVERCHARGED
INCORRECT
METERING DEVICE