Dräger HFG 000 Series Technical Manual page 38

Troubleshooting
Warnings
Calibration expires soon Calibration interval expires
Calibration expired
Logger almost full
Logger full
Temperature too high
Temperature too low
Pressure too high
Pressure too low
Battery too hot
Battery too cold
Battery com. error
Peak detected
Warm-up 1
Warm-up 2
CatEx protection
Value negative
Pump error
1) X-am 8000 only
38
Cause
soon
Calibration interval of the
(compensation)channel
expired
Data logger memory 90 %
full
Data logger memory 100%
full
Ambient temperature too
high.
Ambient temperature too
low.
Pressure above the maxi-
mum range
Pressure below the mini-
mum range
Battery sub-system too hot Reduce the ambient tem-
Battery sub-system too
cold
Data connection to battery
interrupted. (Screws may
not be tightened properly)
IR sensor error detected:
1)
IR signal quality
Device not yet measure-
ment-ready
The warm-up time of the
sensors varies depending
on the ambient conditions.
CatEx sensor blocking
alarm caused by overgas-
sing
Measured value in nega-
tive range
Remedy
Carry out a span calibra-
tion
Carry out a span calibra-
tion
Read out the data memory
(with the GasVision PC
software) and/or delete it.
Or switch to "overwrite".
Reduce the ambient tem-
perature; calibrate the
sensor.
Increase the ambient tem-
perature; calibrate the
sensor.
Lower the ambient pres-
sure
Increase the ambient pres-
sure
perature
Increase the ambient tem-
perature
Re-mount the battery
Switch the device off and
then on again; exchange
the IR sensor.
Wait until warm-up time 1
is complete
Wait until warm-up time 2
is complete (e.g. required
before calibration can be
carried out)
Switch the device off and
then on in fresh air
Carry out a fresh air cali-
bration / zero-point calibra-
tion.
Replace the pump.
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Technical manual X-am® 3500/8000