Carrier AQUAFORCE 30XA080-500 Controls, Start-up, Operation, Service And Troubleshooting Instructions

Also see for AQUAFORCE 30XA080: Installation instructions Controls, start-up, operation, service and troubleshooting instructions Installation instructions Product data

Contents

Carrier AQUAFORCE 30XA080-500 Controls, Start-up, Operation, Service And Troubleshooting Instructions Manual pdf 93 page image

93Table 59 — Alarm Codes (cont)LEGENDPREFIXCODE SUFFIXCODE ALARMNUMBER ALARM DESCRIPTION REASON FOR ALARM ACTION TAKENBY CONTROL RESETTYPE PROBABLE CAUSEP 34 88 Circuit A Reclaim OperationFailure — None Manual Configuration error35 89 Circuit B Reclaim OperationFailure37 90 Circuit A — Repeated highdischarge gas overrides Multiple capacity over-rides due to highsaturated dischargetemperatureCircuit shut down Automatic Condenser airrecirculation, dirty orplugged condensercoils, inaccuratedischarge transducer,faulty condenser fan38 91 Circuit B — Repeated highdischarge gas overrides39 92 Circuit C — Repeated highdischarge gas overrides40 93 Circuit A — Repeated lowsuction temp overrides Multiple capacityoverrides due to low satu-rated suction temperatureCircuit shut down Automatic Inaccuratetransducer, faulty EXV,low refrigerant charge,plugged or restrictedliquid line filter drier.41 94 Circuit B — Repeated lowsuction temp overrides42 95 Circuit C — Repeated lowsuction temp overrides43 96 Low entering water tempera-ture in heating Not supported — — —73 97 Condenser pump #1 default — None Manual Configuration error74 98 Condenser pump #2 default78 99 Circuit A High DischargeTemperature Discharge gas tempera-ture is higher than 212 F(100 C) for more than90 secondsCircuit shut down Manual Faulty transducer/highpressure switch, low/restricted condenserflow79 100 Circuit B High DischargeTemperature80 101 Circuit C High DischargeTemperature81 102 Circuit A Low EconomizerPressure The economizer pressureis below the suction pres-sure more than 14.5 psifor more than 10 secondsCircuit shut down Manual Faulty transducer,faulty main base board,faulty wiring, closedsuction service valve,faulty EXV82 103 Circuit B Low EconomizerPressure83 104 Circuit C Low EconomizerPressure87 105 Circuit A Slide Valve ControlUnverifiable If 100% load current isless than 1.1 times of 30%load current, or for 1 min-ute when active coolingsetpoint is greater than32 F (0°C).None Manual Slide valve stuck, inac-curate initial currentreading88 106 Circuit B Slide Valve ControlUnverifiable89 107 Circuit C Slide Valve ControlUnverifiable90 108 Cooler flow switch set pointconfiguration failure — None Manual Configuration error91 109 Cooler flow switch failure Flow switch open Unit shut down Manual if unitis running,automaticotherwiseFaulty flow switch, lowcooler flow, faultywiring, faulty coolerpump, faulty main baseboard, minutes off timeset to 097 127 Water Exchanger Tempera-ture Sensors Swapped Control detects EWTbelow LWT for 1 minute Unit shut down Manual Wiring error, EWT andLWT sensors swappedSr nn 110 Service maintenance alertNumber # nn Field programmedelapsed time has expiredfor maintenance timeNone Manual Maintenance requiredA1, B1, C1 01 111-01,112-01,113-01Compressor Motor tempera-ture too high Compressor temperaturehigher than 232 F (111 C)for more than 90 secondsCircuit shut down Manual Motor cooling solenoidor economizer(080,082 only) EXVfailure, faulty CPMboard, low refrigerantcharge (090-500)02 111-02,112-02,113-02Compressor Motor tempera-ture out of range Compressor temperaturereading out of the range of–40 F to 245 F(–40 C to 118 C)Circuit shut down Manual Faulty thermistor, faultywiring, faulty CPMboard03 111-03,112-03,113-03Compressor High pressureswitch protection HPS input on CPM boardopen Circuit shut down Manual, pressreset button onHPSLoss of condenser airflow, operation beyondcompressor envelope,faulty high pressureswitch, faulty wiring,faulty CPM boardCCN — Carrier Comfort Network® HPS — High Pressure SwitchCPM — Compressor Protection Module LWT — Leaving Water TemperatureDX — Direct Expansion MOP — Maximum Operating PressureEMM — Energy Management Module MTA — Must Trip AmpsEWT — Entering Water Temperature OAT — Outdoor Air TemperatureEXV — Electronic Expansion Valve SST — Saturated Suction TemperatureHGBP — Hot Gas Bypass UL — Underwriters Laboratories