TROUBLESHOOTING
8 - 12
Problem
Possible Reasons & Solutions
Read a small
background
value when
there is no
detectable
gas.
Reasons:
Sensor zero drifted.
The unit was out of battery
power connection or the
sensor just plugged in.
Solutions:
Do fresh air calibration (see
Section 4.4.1)
Wait for reading to stabilized.
Reading
jumping
around
randomly
Reasons:
Incorrect gas calibration.
Low sensitivity to cal gas.
Solutions:
Calibrate the sensor.
Use different cal gas.
Cannot turn
off monitor
or corrupted
characters in
LCD display
Reasons:
Microprocessor hang-up.
Solutions:
Disconnect and re-connect
battery to reset computer.
Call authorized service
center.
Calibration
error
message
Reasons:
No standard gas input.
Solutions:
Make sure standard gas flows
into monitor.
Содержание MultiRAE PLUS PGM-50
Страница 165: ...APPENDIX A A 2 Change LEL VOC Gas Selection Enable Disable Sensor Change Dilution Ratio Change PID Lamp Type N Y Mode N...
Страница 169: ...APPENDIX B B 4 sensitivity to the gas is higher than that of isobutylene VOC or methane LEL...
Страница 176: ...APPENDIX C C 7...
Страница 183: ...APPENDIX G G 2 RAE Systems Service Department...