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© 2020 All rights reserved. Data subject to change without notice.
cGas Detector for Indoor Public Spaces - Installation Manual
Rev. A | 2020.11
F02
Smart Board Fault
cGas cannot communicate with the smart
board. Ensure the smart board is installed and
installed on the correct side (left) if a single
channel unit (without relay). Otherwise power
cycle or replace the sensor smart board.
F03
CO2
Communication
Fault
cGas cannot communicate with the CO
2
sensor even though it can communicate with
the smart board. Power cycle or replace the
sensor smart board.
F04
POT chip has failed
The internal smart sensor board gainPOT
chip has failed. If a power cycle does not
resolve this, replace the sensor smart board.
F05
Error in reading
Smart Board
cGas detected an error in the smart board
ID. Use “Write to Sensor” for the indicated
channel (passcode 3022).
F06
SB ID Mismatch
Firmware expected a different smart board
than what is in the sensor socket.
F20
RLY GPIO chip is
not responding
Check to make sure the relay board is
present and installed properly in the
socket. If installed, main board is unable to
communicate with the relay board and may
be damaged A replacement relay board may
be required.
F30
AO DAC is not
responding
Indicates a hardware failure in the analog
output circuit. A replacement main board may
be required.
The error code will appear on the display in place of the units for a channel.