Drager X-am 5000 Technical Manual page 31

Special symbol »
and displayed numerical
code:
251
252
253
254
255
256
257
271
272
351
352
353
354
355
356
357
451
452
453
« Cause
DrägerSensor CatEx 125 PR
in warm-up phase
DrägerSensor CatEx 125 PR
in warm-up phase
Ex concentration has drifted
into the negative range
The temperature is too high
The temperature is too low
The calibration interval for
DrägerSensor CatEx 125 PR
has elapsed
Alarm setpoint A2 setting is
greater than 60 %LEL
The calibration interval for
thermal conduction for
DrägerSensor CatEx 125 PR
has elapsed
Sensor is switched off due to
excess gas
DrägerSensor XXS EC1 in
the warm-up phase
DrägerSensor XXS EC1 in
the warm-up phase
EC1 concentration has drifted
into the negative range
The temperature is too high
The temperature is too low
The calibration interval for
DrägerSensor XXS EC1 has
elapsed
Alarm setpoint A2 setting is
greater than 60 %LEL
DrägerSensor XXS EC2 in
the warm-up phase
DrägerSensor XXS EC2 in
the warm-up phase
EC2 concentration has drifted
into the negative range
Faults, Cause and Remedy
Remedy
Wait until warm-up time is
complete.
Wait until warm-up time is
complete.
Carry out fresh air calibration,
page 46.
Operate the device within the
allowed temperature range.
Operate the device within the
allowed temperature range.
Carry out span calibration for
DrägerSensor CatEx 125 PR,
page 50.
Set alarm setpoint to less than
60 % LEL.
Carry out span calibration for
DrägerSensor CatEx 125 PR,
page 50.
Restart the device
Wait until warm-up time is
complete.
Wait until warm-up time is
complete.
Carry out fresh air calibration,
page 46.
Operate the device within the
allowed temperature range.
Operate the device within the
allowed temperature range.
Carry out span calibration for
DrägerSensor XXS EC1,
page 50.
Set alarm setpoint to less than
60 %LEL.
Wait until warm-up time is
complete.
Wait until warm-up time is
complete.
Carry out fresh air calibration,
page 46.
31