Carrier 30HX PRO Especificaciones descargar pdf (Pagina 33)

6.4 - Alarm codes

The following list gives a complete description of each alarm

code and its possible cause.

DESCRIPTION

Evaporator entering fluid thermistor failure

Evaporator leaving fluid thermistor failure

Condenser entering fluid thermistor failure

Condenser leaving fluid thermistor failure

Condenser entering fluid thermistor failure

Condenser leaving fluid thermistor failure

Outdoor temperature sensor fault

CHWS (master/slave) fluid thermistor fault

Compressor A1, discharge gas sensor

Compressor A2, discharge gas sensor

Compressor B1, discharge gas sensor

Compressor B2, discharge gas sensor

External 0-10 V dc signal fault

Discharge pressure transducer failure,circuit A

Discharge pressure transducer failure, circuit

Suction pressure transducer failure, crt A

Suction pressure transducer failure, crt B

Oil pressure transducer failure, compr A1

Oil pressure transducer failure, compr A2

Oil pressure transducer failure, compr B1

Oil pressure transducer failure, compr B2

Economizer A1 transducer failure

Economizer A2 transducer failure

Economizer B1 transducer failure

Economizer B2 transducer failure

Pressure sensor failure - coil pump down

circuit A

Pressure sensor failure - coil pump down

circuit B

Fault in the motor cooling valve position

sensor, circuit A

Fault in the motor cooling valve position

sensor, circuit B

Loss of communication with SCPM A1 board

Loss of communication with SCPM A2 board

Loss of communication with SCPM B1 board

Loss of communication with SCPM B2 board

Loss of communication with EXV board

Loss of communication with fan board #1

Loss of communication with fan board # 2

Loss of communication with auxiliary board

type 1

Loss of communication with heat reclaim or

evaporator heater board

'CCN/clock board' fault

Control box thermostat fault or phase reversal

WHY WAS THIS

ALARM GENERATED?

Thermistor outside range -40 to

118°C

Ditto

Signal outside range

Measured signal = 0V dc

Ditto

SCPM A1 board does not respond

SCPM A2 board does not respond

SCPM B1 board does not respond

SCPM B2 board does not respond

4xDO board associated with the

EXV does not respond

4xDO board controlling the first four

fan stages does not respond

4xDO board controlling the fan

stages of circuit B does not

respond

Board does not respond

Analogue board does not respond

CCN/clock board is no longer

detected

Sensor overheated

ACTION TAKEN BY

THE CONTROL

Unit shut down

None, simple message

None in cooling mode

Unit shut down in heating mode

None, simple message

None

Reset based on deactivated outdoor

sensor

Master/slave function deactivated

Compressor A1 shut down

Compressor A2 shut down

Compressor B1 shut down

Compressor B2 shut down

1- Loadshed: not used

2- Demand limit: deactivated

Circuit A shut down

Circuit B shut down

Circuit A shut down

Circuit B shut down

Compressor A1 shut down

Compressor A2 shut down

Compressor B1 shut down

Compressor B2 shut down

Circuit A shut down for unit with

economizer. Otherwise compressor

A1 shut down.

Compressor A2 shut down

Circuit B shut down for unit with

economizer. Otherwise compressor

B1 shut down.

Compressor B2 shut down

Circuit A remains in cooling mode

Circuit B remains in cooling mode

None

Compressor A1 shut down

Compressor A2 shut down

Compressor B1 shut down

Compressor B2 shut down

Unit shut down

Unit shut down if number of fan

stages by circuit is lower than three.

Otherwise circuit A shut down.

Circuit B shut down

Unit shut down if heating mode has

been selected.

Unit shut down if heat reclaim mode is

selected.

Unit shut down

RESET TYPE

Auto, if the temperature

measured by the sensor

becomes normal again

Ditto

Automatic

Automatic if board is again

detected

Ditto

Auto if the same alarm has

not tripped the same day

PROBABLE

CAUSE

Thermistor or

wiring fault or

cable/wire

damaged

Ditto

Thermistor,

solenoid, motor

cooling or wiring

fault

Ditto

Defective input or

wiring fault

Defective

transducer, wiring

fault

Ditto

Wiring fault,

incorrect address

or defective board

Ditto

Bus wiring fault,

incorrect address

or defective board

Auxiliary board

faulty

Faulty connection

Defective CCN/

clock board

Badly ventilated

control box

ALARM

CODE

40**

1 2 ... 28 29 30 31 32 33 34 35 36

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Carrier 30HX PRO Especificaciones Pagina 33

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