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Servicing should only be performed by a Qualied Service Technician
UPPER TEMPERATURE PROBE CONTINUITY CHECK
OHMS RESISTANCE TABLE
° F
OHMS
70° 11,884
120° 3,759
140° 2,488
180° 1,169
Upper Temperature Probe continuity check
Red wire to red wire – Turn supply power "Off" for this test.
IF......... THEN............
Test indicates no continuity. Replace probe.
Continuity is indicated. Probe should be okay (also verify Ohms resistance for water
temperature). (Reading will be approximate.)
CONDITIONS:
• Power On – Water below temperature set point.
• Red, digital thermostat “Reset Status” LED – OFF.
• "Call for Heat" LED Off.