Bryant 580J*04--12 Manual de instalación descargar pdf (Pagina 26)

Table 3 – LED’s

The LED’s on the RTU Open show the status of certain functions

If this LED is on... Status is...

Power The RTU Open has power

Rx The RTU Open is receiving data from the network segment

Tx The RTU Open is transmitting data over the network segment

BO# The binary output is active

The Run and Error LED’s indicate control module and network status

If Run LED shows... And Error LED shows... Status is...

2 fl ashes per second Off Normal

2 fl ashes per second 2 flashes, alternating with Run LED Five minute auto---restart d elay after system error

2 fl ashes per second 3flashes,thenoff Control module has just been formatted

2 fl ashes per second 4 flashes, then pause Two or more devices on this network have the same

MSTP network address

2 fl ashes per second On Exec ha lted after frequent system errors or control pro-

grams halted

5 fl ashes per second On Exec start---up aborted, Boot is running

5 fl ashes per second Off Firmware transfer in progress, Boot is running

7 fl ashes per second 7 flashes per second, alternating with

Run LED

Ten second recovery period after brownout

14 flashes per second 14 flashes per second, alternating with

Run LED

Brownout

On On Failure. Try the following solutions:

--- Turn the RTU Open off, then on.

--- F o r m a t t h e R T U O p e n .

--- Download memory to the RTU Open.

--- Replace the RTU Open.

Table4–RTUOpenAlarms

POINT NAME

BACnet Object

NAME

ACTION TAKEN BY

CONTROL

RESET METHOD PROBABLE CAUSE

Safety Chain safety_alarm Immediate Shutdown Automatic Over load Indoor Fan or Electric Heater

overheat

Fire Shutdown fire_alarm Immediate Shutdown Automatic Smoke detected by smoke detector or

configuration incorrect

Gas Valve igc_alarm Immediately operate fan at high-

est speed

Automatic Ga s valve stuc k open after heati ng cyc le,

causi ng heat to continue to operate.

Supply Fan sfan_fail_alarm Immediately disable

Operation

Automatic T ripped Circuit Breaker, Broken belt,

Bad indoor fan motor, Configuration

incorrect, Bad fan status switch.

Supply Fan in Hand sfan_han d_alarm Ramp down Operations Automatic Bad Fan Status Switch, Configuration

incorrect.

Compressor Status comp_alarm Alert Gener ated Automatic Compressor would not start

Space Temp Sensor spt_fail Ramp down Operations Automatic Bad sensor, bad wiring, failure to receive

Network or sensor configured incorrectly .

ZS Sensor zst_sensor_fail Alert Generated Automatic This alarm indicates a commun ication

failure of a connected ZS sensor that

previously had been actively

communicating.

ZS Configuration zs_config_ fail Alert Generated Automati c This alarm indicates that at least one ZS

sensor is configured in the Sensor

Binder properties and is not actually

communicating.

Supply Air Temp Sensor loc_sat_sensor_fail Ramp down Operations Automatic Faulty, shorted, or open thermistor

caused by wiring error or loose

connection.

Local OAT Sensor ioc_oat_sensor_fail May cause Economizer an d Low

ambient DX cooling lockout to be

disabled

Automatic Faulty, shorted, or open thermistor

caused by wiring error or loose

connection.

Outdoor Air Temp Sensor oat_fail Economizer an d Low ambient DX

cooling lockout disabled.

Automatic Failure to receive valid local or n etwork

value for Outdoor Air Temperature

Space Relative

Humidity Sensor

sprh_sensor_fail Dehumidification disabled Automatic Sensor reading is out of range. Bad

sensor, bad wiring, failure to recei v e

Network or sensor configured incorrectly.

TS---5580J---02

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Bryant 580J*04--12 Manual de instalación Pagina 26

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