5
9
Changing the sensor
– Turn the instrument off.
– Unscrew the 4 screws from the back case.
– Open the front case and remove the battery.
– Remove the sensor.
– Insert the new sensor.
– Press and hold
[OK]
for approx. 3 seconds while battery is
not installed.
– Insert the battery according to specified polarity (+/–).
– Place front case back and fasten it by tightening the 4 screws
of the back case.
– After inserting the battery a sensor warm up time is needed
(see chapter 12.3). The gas value flashes until the warm up
time has passed.
– After changing the sensor and after the warm up time is
finished the instrument must be calibrated (see chapter 5.3).
10 Changing dust and water filter
WARNING
Danger of explosion! Do not change the sensor in explosion-
hazard areas.
Substitution of components may impair intrinsic safety!
To prevent ignition of flammable or combustible
atmospheres, and to avoid compromising intrinsic safety of
the equipment, read, understand, and adhere to the
maintenance procedures below.
Take care when changing the sensors not to damage or short
out components, and do not use sharp tools to remove the
sensors.
Notice
Replace sensor when instrument can no longer be
calibrated!
Notice
Use only the DrägerSensor XXS of the same gas type!
00723826.eps
D
Pac 70
00
11 Instrument alarm
– The alarm and LED will be activated three times, periodically.
– The
[X]
icon is flashing; a 3 digit error code will be shown in
the display.
– If an error appears in the display see chapter 11.1 and if
necessary please contact Service of Dräger.
11.1
Display of error and warning codes
– The error sign
[X]
or the warning sign
[!]
flashes and a three-
digit error code is displayed.
– If errors or warnings are active, "
– – –
" is displayed and the
error sign
[X]
or the warning sign
[!]
flashes.
– Press the
[OK]
button to display the error or warning codes.
– If several error or warning codes are active, the next error or
warning code can be displayed by pressing
[OK]
.
– If error or warning codes are active, first the error and then the
warning codes are displayed.
– If no action has occured for approx. 10 s, the device
automatically returns to the "
– – –
" display.
11.1 Trouble shooting errors
Error
code
Cause
Remedies
010
"Horn alarm elements" X-
dock test failed
Repair if necessary and
test again with X-dock
011
"LED alarm elements" X-
dock test failed
Repair if necessary and
test again with X-dock
012
"Vibration alarm elements"
X-dock test failed
Repair if necessary and
test again with X-dock
013
Parameter check failed
Correct parameters and
test again with X-dock.
014
Instrument locked by X-
dock
Cancel X-dock lock
100
Flash/EEprom write failed Contact Service
104
Flash check sum wrong
Contact Service
105
Broken or missing O
2
sensor
Replace O
2
sensor
106
Most recent settings
restored
Check settings and
recalibrate instrument
107
Self test failed
Contact Service
108
Configuration not up-to-
date
Reconfigure with the latest
Dräger CC-Vision
software version
109
Configuration error
Reconfigure instrument
161
Set operating time of the
instrument expired
Set new operating time of
the instrument
210
Zero-point/fresh air
calibration failed
Perform zero-point/fresh
air calibration
220
Span calibration failed
Perform span calibration
221
Calibration interval
expired
Calibrate instrument
240
Bump test failed
Perform bump test or
calibration
12 Technical Specifications
12.1 General
12.2 Standard Configuration (Factory Settings)
241
Bump test interval expired Perform bump test or
calibration
Warnin
g code
Cause
Remedies
162
Set operating time of the
instrument almost expired
Set new operating time of
the instrument
222
Calibration interval
expired
Calibrate instrument
242
Bump test interval expired Perform bump test or
calibration
Environmental Conditions
During operation
temperature see see chapter 12.3 and
see chapter 12.4
700 to 1300 hPa
10 to 90 % relative humidity
Conditions for
storage
0 to 40
o
C 32 to 104
o
F
30 to 80 % relative humidity
Battery life
(typical at 25
o
C)
24 hours of use per day,
1 minute alarm per day:
>5,500 hours, O
2
: >2,700 hours
Intensity of alarm
typical 90 dBA at 30 cm/1 ft.
Dimensions
(without clip)
64 x 84 x 20 mm (battery compartment
25 mm)
2.5 x 3.3 x 0.8 (battery compartment 1 in.)
Weight
106 g/3.8 oz.
Ingress protection IP 68
Approvals
(see “Notes on Approval” on page 211)
Bump test mode
1)
1
May differ for customer-specific orders.
Quick bump test
Vibration alarm
Yes
Bump test interval
1)
Off
Life signal
1) 2)
2
For measurements according to EN 45544 (CO, H
2
S) or
EN 50104 (O
2
) the life signal must be switched on.
Off
Turning the instrument off
1)
Always allowed
Data logger interval
1 minute
Operation timer
Off
% COHB mode
Off
