PAJ
Sensor A/S • Grundtvigs Allé 163 • DK-6400 Sønderborg
Tel: +45 74 43 71 81 • Fax: +45 74 43 71 91 • CVR: 3459-1229 • www.paj.dk • e-mail: [email protected]
APPROVALS: ISO 9001, ISO 14001, ISO 13485, IEC 61340-51 & IPC-A-610 CLASS 3
03-01-0501-CRJ-04 Side 50 af 53
Appendix A10: Error / failure FAQ
Failure
type
Description
Possible reasons
PPM display
failure
Display shows only negative
numbers
1. Sensor is not connected.
2. The error caused by missing
jumper in terminal box pin 11 and
pin 12. See Appendix A1
3. Check that the jumper is
properly installed, it is seen that
the jumper has been installed but
the jumper had no proper
connection
4. The wires are reversed in
terminal box pin 7 and pin 8 lower
part. After changing and there is no
change in the display, then the
fault is either 1, 2 or 3.
a
w
display
failure
Dispay shows only negative
numbers
1. Sensor is not connected.
2. The error caused by missing
jumper in terminal box pin 11 and
pin 12. See Appendix A1
3. Check that the jumper is
properly installed, it is seen that
the jumper has been installed but
the jumper had no proper
connection
4. The wires are reversed in
terminal box pin 7 and pin 8 lower
part. After changing and there is no
change in the display, then the
fault is either 1, 2 or 3.