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CPS-3M
TROUBLESHOOTING
SYMPTOM
CAUSE and REMEDY
Lo is
continually
displayed
−
Temperature displayed is below 42.0°F
(5.5°C).
−
Probe is disconnected or defective.
Hi is
continually
displayed
−
Temperature is above 111.0°F (44.0°C).
−
Probe is short circuited or defective.
Actuator
motor is not
operating
−
Check if the actuator LED is on. If it is ON,
doublecheck wiring and actuator motor.
Display is
blank
−
Make sure the line voltage selector switch
is properly set.
−
Make sure the 10 pin flat cable, between
the main board and the CPS-3M faceplate,
is properly connected.
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