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Table 12 — SystemVut Controller Alarm Codes (cont)

FAULT OR ALERT

ACTION TAKEN BY

CONTROL

RESET

METHOD

PROBABLE CAUSE

A210--- GENERAL STATUS Alert Generated Automatic General Switch activation or wrong configuration

F211--- GENERAL STATUS Unit Shutdown Automatic General Switch activation or wrong configuration

F310 --- CIRA DOWN DUE TO FAIL Shutdown Circuit A Manual Compressors have 3 strikes or has been locked out by another alarm

F311--- CIRA LOW CHARGE Shutdown Circuit A Manual Low refrigerant or faulty pressure transducer

A312--- CIR.A UNEXPECTED OFF Strike for active compressors Automatic Compressor failure, transducer failure, or nuisance operating conditions

A313--- CIR.A HIGH DISCHARGE Unload compression and up

ODF to High cool speed

Automatic An overcharged system, high outdoor ambient temperature coupled with

dirty outdoor coil, plugged filter drier, or ODF speed too low.

A314--- CIR.A HPS TRIP Add compressor strikes Automatic An overcharged system, high outdoor ambient temperature coupled with

dirty outdoor coil, plugged filter drier, or ODF speed too low.

A315--- CIR.A LOW DISCHARGE Add compressor strikes Automatic An undercharged system, low outdoor ambient temperature coupled with

dirty outdoor coil, plugged filter drier, or ODF speed too high

A316--- CIR.A L OW SUCTION Add compressor strikes Automatic Low refrigerant charge, dirty filters, evaporator fan turning backwards, loose

or broken fan belt, plugged filter drier, faulty transducer, excessively cold

return air, or stuck open economizer when the ambient temperature is low.

A317--- CIR.A PRESSURE RATIO Add compressor strikes Automatic Low refrigerant charge, plugged filter drier, faulty transducer, the ambient

temperature is low and the ODF is running too fast.

F318--- COMPRESSOR STUCK ON Unit in Safety Shutdown Manual WeldedcontactororfrozencompressorrelayonMBB

F319--- C.A1 DOWN DUE TO FAIL Lockout Compressor A1 Manual Compressor A1 has 3 strikes or has been locked out by another alarm

A320--- C.A1 REVERSE ROTATION Add Strike for compressor A1 Automatic Wiring causing reverse rotation or faulty compressor

A321--- C.A1 FAIL TO PRESSURE Add Strike for compressor A1 Automatic Wiring causing reverse rotation or faulty compressor

A410--- IGC IGNITION FAILURE Lockout Heat Automatic Faulty wiring of the IGC, no gas flow , or wrong configuration

F411--- ROLLOUT WITHOUT HEAT Unit in Safety Shutdown Automatic Faulty wiring of the IGC, or rollout switch trip without a heat call

F412--- RUN AWAY H EAT Unit in Safety Shutdown Automatic Heat stuck on causing high SAT, or low air flow

A510--- INDOOR FAN STATUS Alert Generated Automatic Motor failure, or configuration error.

F511--- IDF OFF WHEN COMMAND ON Unit Shutdown Manual Fan stuck on, or Configuration incorrect.

F512---IDFONWHENCOMMANDOFF Unit Shutdown Manual Tripped Circuit Breaker. Bad indoor fan motor. Configuration incorrect.

A700--- ECON NOT MODULATING Alert Generated Automatic No economizer motion. Check damper blades, gears, and actuator. Actuator