Troubleshooting - Dräger X-AM 2500 Technical Manual

Troubleshooting

8 Troubleshooting
Fault
Not possible to switch on the instrument Discharged power pack
Not possible to switch off the instrument The instrument is not set to measuring
Display » – – «
List of the numerical codes of the warning and fault messages
in the info mode, see page 16.
8.1 Warning messages
Special symbol » « and
displayed numerical code:
152
153
154
155
159
251
252
253
254
255
256
257
271
351
352
353
354
355
22
Cause
Discharged alkaline batteries
mode
The instrument is configured to "Disable
prohibited"
Measuring range calibrated/adjusted
incorrectly
Electronics or sensors defective
Cause
Customer's service life counter about to elapse Reset the service life counter using Dräger
Database 90 % full
Database full
Interval for bump test elapsed
Calibration not possible. The menu function
cannot be carried out because of a message
which is preventing the function (e.g. sensors
in warm-up phase).
DrägerSensor CatEx 125 PR warming up
DrägerSensor CatEx 125 PR warming up
Ex concentration has
negative range
The temperature is too high
The temperature is too low
Calibration interval for DrägerSensor CatEx
125 PR has expired
Alarm threshold A2 is set to greater than
60 %LEL
Heat conductance calibration interval for
DrägerSensor CatEx 125 PR has expired
DrägerSensor XXS EC1 is warming up
DrägerSensor XXS EC1 is warming up
EC1 concentration has drifted into the
negative range
The temperature is too high
The temperature is too low
Remedy
Charge the power pack, page 8.
Insert new alkaline batteries, page 21.
Select measuring mode.
Configure the instrument to "Disable allowed"
with Dräger CC Vision.
Recalibrate/adjust the measuring range,
page 21.
Must be repaired by Service.
Remedy
CC Vision.
Read the database soon and clear memory
afterwards.
Read the database and clear memory.
Conduct the bump test page 21.
Determine the message code via the info menu
and switch it off, if necessary.
Wait until warm-up time is complete.
Wait until warm-up time is complete.
drifted into the Conduct the fresh air calibration page 17.
Operate the instrument within the allowed
temperature range.
Operate the instrument within the allowed
temperature range.
Perform sensitivity calibration for DrägerSensor
CatEx 125 PR, page 19.
Set alarm threshold to less than 60 %LEL.
Perform sensitivity calibration for DrägerSensor
CatEx 125 PR, page 19.
Wait until warm-up time is complete.
Wait until warm-up time is complete.
Conduct the fresh air calibration page 17.
Operate the instrument within the allowed
temperature range.
Operate the instrument within the allowed
temperature range.
Dräger X-am 2500