Omega OMA-P1104 - Manual (Page 97)

Appendix A: Troubleshooting
83
The temperature sensor has been disconnected or has brok
en wires.
1.
The temperature reading is -20
° F
or -30
° C.
Pr
ob
lem
T
emperature Monitoring:
Examine the wires to temperature sensor and connect or replace wiring. Tr
y mo
ving the unit to a dif
ferent location.
a)
T
emperature sensing ma
y be af
fected b
y
a source of ambient heat (ie., direct sunlight, or heat duct pro
ximity).
3.
T
emperature reading is inaccurate.
2.
T
emperature reads 150
° F
or 65
° C.
T
emperature sensor wires are touching or
ha
v
e shor
ted.
V
erify and cor
rect wiring.
b)
T
emperature ma
y require calibration.
After mo
ving or placing the unit a
wa
y from
ambient heat sources, the temperature ma
y
be calibrated to of
fset inaccurate nor
mal
reading b
y
se
v
eral de
g
rees. Refer to Chapter
5, Section 5.6.
Cause
Solution