Senseca ECO 420 handleiding
Handleiding
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ECO 420 series - Compact CO2 monitor with alarm
Error and system messages
B-H90.0.0X.DK2-4.1 Page 22 of 26
Display
Meaning
Possible causes
Remedy
STAB
No measurement
change within 2
minutes
•
Device in extremely
constant environment
• Sensor defect
Bring about a change in
the measured value *
1
Send in for repair
*
1
When measuring in air: create air movement or breathe on the sensor.
If the error persists, switch the device off / on
Calibration errors
(AL ERR.1
Zero point
adjustment defective
• Incorrectly
measured CO
2
concentration for
adjustment
Expose sensor to a test
gas with 0 ppm CO
2
(AL ERR.2
(AL ERR.3
Defective gradient
compensation
• Incorrectly
measured CO
2
concentration for
adjustment
• Incorrect CO
2
concentration
Expose sensor to a test
gas with known CO
2
concentration
Enter correct value
(AL ERR.5
Time for stability
recognition exceeded
• Stability recognition
lasts longer than 10
minutes
Provide a consistent
flow with a constant
CO
2
concentration
Charging errors
Frame of
battery
indicator
flashes
Charging error
detected
• Battery voltage to
high
• Permissible temper-
ature range during
charging exceeded
or under-cut
Check if rechargeable
batteries are really
inserted
- replace battery
- Send in for repair
Bring device to prem.
Temperature (0 .. 40°C)
and restart charging
process
ERR.T
Temperature error
• Permissible temper-
ature range during
charging exceeded
or under-cut
Charging of battery only
at 0 .. 40 °C
Bring device to room
temperature and restart
charging process
ERR.(
Battery error
• Battery defect,
• too much battery
ageing,
• Wrong battery type
Use new, high-quality
NiMH batteries.
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Productinformatie
| Merk | Senseca |
| Model | ECO 420 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 2979 MB |
