TotalAlert Infinity
7.0 Troubleshooting
Symptom
No LED power indicator
illuminated on alarm
front panel
No green "heartbeat"
power indicator is
illuminated on
connected boards
No green "heartbeat"
power indicator is
illuminated on gas
sensor
Fast green "heartbeat"
power indicator is illu-
minated on gas sensor
(2 beats per second)
Red LED illuminated
above warning
indicator ( ! ).
Lost Connection
Warning
Sensor active and
Unassigned Warning
F1 displayed on Area
badge
F2 displayed on Area
badge
F3 displayed on Area
Badge
F4 displayed on Area
Badge
HTM Medical Gas Notification System
™
Possible Cause
AC power is not turned on
Blown power supply fuse
AC power wiring is not connected
Power supply DC wire harness is not
connected properly between the power
supply and the main board
Faulty power supply assembly
Board has not been initialized
Board dip switches are not set
correctly.
Cable not connected correctly
Sensor not connected to the Gas Input
Board.
Gas Input Board does not have power
(no "heartbeat")
Sensor is reading out of range
Active warning
Alarm has lost network communication
with manually enrolled device
The alarm has lost connection to a
connected/ initialized board.
Sensor is wired to the sensor input
board, but not assigned/programmed
Gas sensor is not connected or has
shorted.
Gas sensor is reading below range
(fault low).
Gas sensor is reading above range
(fault high).
Gas sensor connected is wrong type of
gas.
Corrective Action
Check AC power source.
Replace fuse.
Check AC entrance wiring at power supply
terminals.
Check connections on each end including
orientation of cable connectors. Reconnect
if necessary.
Replace power supply
Initialize board per instructions in manual.
Set dip switches per diagram on board
label.
Check cable connections between boards.
Verify correct sensor connection to Gas
Input Board.
Verify that Gas Input Board has been
initialized and that dip switches are set
correctly. See item 2 above.
Verify gas pressure in pipeline. If normal,
replace sensor.
Navigate to the warning screen by
pressing the Information button, then
selecting Warnings.
Correct communication problem with
networked device or remove the enrolled
device from the Enrolled Devices list.
Check connections and cable to board.
Assign the wired gas sensor to a valid gas
input.
Check gas sensor connection. If connection
is good, replace sensor.
Verify gas sensor connections and pipeline
pressure. If connection and pressure are
good, replace sensor.
Verify gas sensor connections and pipeline
pressure. If connection and pressure are
good, replace sensor.
Connect the correct type gas sensor.
7-1
4107 9016 60.01
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