Extech Instruments CO210 User Manual page 9

TROUBLESHOOTING
Can't power on:
Slow response:
"BAt" and green LED keep
flashing:
Error Codes:
CO Display
2
E01
E02
E03
E17
Temp
Display
E02
E03
E31
Humidity
Display
E04
E11
E34
www.ponpe.com
Check whether the adaptor is properly plugged in.
Check whether the air flow channels on the rear of
the meter are blocked.
The adaptor output voltage is too high or too low.
Please use the adaptor with correct output.
CO sensor is damaged
2
CO reading is under the
2
lower limit
CO reading is above the
2
upper limit
ABC mode of CO senor
2
has failed and might
cause wrong CO
2
readings
Air temp. measurement is
under the lower limit
Air temp. measurement is
over the upper limit
Temp. sensor or
measuring circuit is
damaged
Air temp. measurement
has error code
The RH calibration has
failed
RH sensor or measuring
circuit has failed
Send back for repair
Re-calibrate the meter, if it still
appears, return for repair
Put the meter in fresh air and wait for
5minutes, if it still appear, re-calibrate
the meter. If above two methods faile,
return for repair
Send back for repair
Put the meter in regular room
temperature for 30 minutes, if it still
appears, return for repair
Put the meter in regular room
temperature for 30 minutes, if it still
appears, return for repair
Return for repair
Refer to temperature error code for
problem solving
Please return for repair
Return for repair
9 CO210-en-EU_V1.2 8/14
contact:
sale@ponpe.com