Teledyne GFC7000EU manual Table Warning Messages Fault Condition Possible Causes, Clr

MODEL GFC7000EU CO ANALYZER WITH AUTO-REFERENCE

(Addendum to GFC7000E Manual PN 04584)

TEST deactivates Warning	SAMPLE
Messages until New warning(s)	TEST
are activated

WHEEL TEMP WARNING		CO = XX.XX
CAL	MSG	CLR SETUP

SAMPLE	RANGE=50.0 PPM		CO = XX.XX
< TST TST > CAL		MSG	CLR	SETUP
SAMPLE	WHEEL TEMP WARNING		CO = XX.XX
< TST TST > CAL		MSG	CLR	SETUP

Make SURE warning

messages are NOT due to

LEGITIMATE PROBLEMS..

MSG activates Warning

Messages.

<TST TST> keys replaced with

TEST key

Press CLR to clear the

message currently being

Displayed.

If more than one warning is

active the next message will

take its place

Once the last warning has been

cleared, the analyzer returns to

SAMPLE Mode

Figure: Viewing and Clearing Warning Messages

NOTE: A failure of the analyzer’s CPU or Mother Board can result in any or ALL of the following messages.

Table: Warning Messages

Warning	Fault Condition	Possible Causes
Message
BENCH TEMP	The optical bench	 Bench Heater
WARNING	temp is controlled at	 Bench Temperature Sensor
	48 ± 5 °C.	 Relay controlling the Bench Heater
		 Entire Relay Board
		 I2C Bus
BOX TEMP	Box Temp is < 5 °C	Box Temperature typically runs ~7oC warmer than
WARNING	or > 48 °C.	ambient temperature.
		 Poor/blocked ventilation to the analyzer.
		 Stopped Exhaust-Fan
		 Ambient Temperature outside of specified
		range
CANNOT DYN	Dynamic Span	 Measured concentration value is too high or
SPAN	operation failed	low.
		 Concentration Slope value to high or too low
CANNOT DYN	Dynamic Zero	 Measured concentration value is too high.
ZERO	operation failed	 Concentration Offset value to high
CONFIG	Configuration and	 Failed Disk on Chip
INITIALIZED	Calibration data	 User erased data
	reset to original
	Factory state.
DATA	Data Storage in	 Failed Disk on Chip
INITIALIZED	iDAS was erased	 User cleared data

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