23
Faults, Cause and Remedy
Faults, Cause and Remedy
To display the numerical codes of the warning and fault messages in the info mode, see
Warning messages
Fault
Cause
Remedy
Not possible to switch on the
device
Discharge the power pack
Charge the power pack,
Discharge the alkaline batte-
ries
Insert new alkaline batteries,
Not possible to switch off the
device
The device is not set to
measuring mode
Select measuring mode.
The device is configured to
"Disable prohibited"
Configure the device to
"Disable allowed" with "CC
Vision".
Display
» – – – «
Measuring range calibrated
incorrectly
Recalibrate the measuring
Electronics or sensors defec-
tive
Must be repaired by Dräger-
Service.
Special symbol »
« and
displayed numerical code:
Cause
Remedy
151
Service life of device about to
elapse
Procure follow-on device.
152
Customer's service life coun-
ter about to elapse
Reset the service life counter
using "CC Vision".
153
Data base 90% full
Read the data base soon and
clear memory afterwards.
154
Data base full
Read the data base and clear
memory.
155
Interval for the function test
with gas (bump test) elapsed
Carry out the function test,
159
Calibration not possible.
The menu function cannot be
carried out because of a mes-
sage which is preventing the
function (e.g. sensors in
warm-up phase).
Determine the message code
via the info menu and switch it
off, if necessary.
251
DrägerSensor CatEx 125 PR
in warm-up phase
Wait until warm-up time is
complete.
252
DrägerSensor CatEx 125 PR
in warm-up phase
Wait until warm-up time is
complete.