Manual 2100-620A - Bard D36A2P/BLD.10304 Installation And Service Instructions Manual

TROUBLESHOOTING BARD-LINK
Signal Description
The indoor controller
will activate an
emergency ventilation
mode on an input
from generator run
alarm which enables
Generator Run
DC free cooling mode
Alarm
and will only allow
lead unit to run in
mechanical cooling as
needed to satisfy any
temperature. The alarm
resets automatically.
The alarm is activated
Remote Indoor
if the sensor is faulty, a
Temperature
sensor wire is loose or
Sensor Failed
an out-of-range value
Alarm (B01)
is read.
Spare The alarm is activated
Remote Indoor if the sensor is faulty, a
Temperature 1 sensor wire is loose or
Sensor Failed an out-of-range value
Alarm (B02)
is read.
Spare The alarm is activated
Remote Indoor if the sensor is faulty, a
Temperature 2 sensor wire is loose or
Sensor Failed an out-of-range value
Alarm (B03) is read.
* See Configuring Additional Remote Indoor Temperature Sensors on page 51.

Manual 2100-620A

Page 70 of 107
CONTROLLER ALARMS (CONT.)
TM
Possible Cause Component to Check
Generator run is
triggered. Check if
connection to the
Check if the
corresponding input
connection is ok.
terminal is ok or if
the PLC controller is
defective.
Configuration
should be "0" if
only the remote
indoor temperature
sensor supplied with
The alarm is activated
controller is installed.*
if the sensor is faulty, a
Check the indoor
sensor wire is loose or
temperature sensor
an out-of-range value
wiring.
is read.
Check temperature
vs. resistance of
temperature sensor
(see Table 2.5 on
page 58).
Configuration should
be "1" if a single
additional remote
indoor temperature
sensor is installed.*
The alarm is activated
if the sensor is faulty, a Check the spare
sensor wire is loose or remote 1 temperature
an out-of-range value sensor wiring.
is read.
Check temperature
vs. resistance of
temperature sensor
(see Table 2.5 on
page 58).
Configuration
should be "2" if two
additional remote
indoor temperature
sensors are installed.*
The alarm is activated
if the sensor is faulty, a Check the spare
sensor wire is loose or remote 2 temperature
an out-of-range value sensor wiring.
is read.
Check temperature
vs. resistance of
temperature sensor
(see Table 2.5 on
page 58).
Device
Recommended Action
Actions
Indoor Blower:
On
Reconnect the cable.
Compressor/
If the PLC controller
Condensor Fan:
board is defective,
On
replace it.
Heat: On
Damper: On
Replace the indoor
temperature sensor.
Replace the spare
remote 1 temperature
sensor.
Replace the spare
remote 2 temperature
sensor.