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
page 14.
Warning messages
Fault Cause Remedy
Not possible to switch on the
device
Discharge the power pack Charge the power pack,
page 43.
Discharge the alkaline batte-
ries
Insert new alkaline batteries,
page 42.
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
range, page 35.
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,
page 29.
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.
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