Manual 2100-620A
Page
70 of 107
Signal
Description
Possible Cause
Component to Check
Recommended Action
Device
Actions
Generator Run
Alarm
The indoor controller
will activate an
emergency ventilation
mode on an input
from generator run
alarm which enables
DC free cooling mode
and will only allow
lead unit to run in
mechanical cooling as
needed to satisfy any
temperature. The alarm
resets automatically.
Generator run is
triggered. Check if
connection to the
corresponding input
terminal is ok or if
the PLC controller is
defective.
Check if the
connection is ok.
Reconnect the cable.
If the PLC controller
board is defective,
replace it.
Indoor Blower:
On
Compressor/
Condensor Fan:
On
Heat: On
Damper: On
Remote Indoor
Temperature
Sensor Failed
Alarm
(B01)
The alarm is activated
if the sensor is faulty, a
sensor wire is loose or
an out-of-range value
is read.
The alarm is activated
if the sensor is faulty, a
sensor wire is loose or
an out-of-range value
is read.
Configuration
should be "0" if
only the remote
indoor temperature
sensor supplied with
controller is installed.*
Check the indoor
temperature sensor
wiring.
Check temperature
vs. resistance of
temperature sensor
(see Table 2.5 on
page 58).
Replace the indoor
temperature sensor.
Spare
Remote Indoor
Temperature 1
Sensor Failed
Alarm
(B02)
The alarm is activated
if the sensor is faulty, a
sensor wire is loose or
an out-of-range value
is read.
The alarm is activated
if the sensor is faulty, a
sensor wire is loose or
an out-of-range value
is read.
Configuration should
be "1" if a single
additional
remote
indoor temperature
sensor is installed.*
Check the spare
remote 1 temperature
sensor wiring.
Check temperature
vs. resistance of
temperature sensor
(see Table 2.5 on
page 58).
Replace the spare
remote 1 temperature
sensor.
Spare
Remote Indoor
Temperature 2
Sensor Failed
Alarm
(B03)
The alarm is activated
if the sensor is faulty, a
sensor wire is loose or
an out-of-range value
is read.
The alarm is activated
if the sensor is faulty, a
sensor wire is loose or
an out-of-range value
is read.
Configuration
should be "2" if two
additional
remote
indoor temperature
sensors are installed.*
Check the spare
remote 2 temperature
sensor wiring.
Check temperature
vs. resistance of
temperature sensor
(see Table 2.5 on
page 58).
Replace the spare
remote 2 temperature
sensor.
TROUBLESHOOTING BARD-LINK
TM
CONTROLLER ALARMS (CONT.)
* See
Configuring Additional Remote Indoor Temperature Sensors
on page 51.
Содержание D36A2P/BLD.10304
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Страница 7: ...Manual 2100 620A Page 7 of 107 SECTION 1 INSTALLATION INSTRUCTIONS ...
Страница 39: ...Manual 2100 620A Page 39 of 107 SECTION 2 SERVICE INSTRUCTIONS ...
Страница 73: ...Manual 2100 620A Page 73 of 107 SECTION 3 PARTS MANUAL ...
Страница 88: ...Manual 2100 620A Page 88 of 107 BARD LINKTM PLC LEAD LAG CONTROLLER SEXP 755 6 4 8 7 2 9 1 5 3 ...
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Страница 91: ...Manual 2100 620A Page 91 of 107 SECTION 4 APPENDICES ...