HP 1100AHP User Manual

Page 147

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C4224-90962

Functional checks

145

5

Remove the thermistor connector (Figure 5-3) and measure the resistance between
pins one and two.

NOTE:

Normal resistance is 440K ohms +/- 30K ohms at 68° F (20° C).

6

If no resistance is measured, replace the heating element.

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