HP 1100AHP - Manual (Page 146)

144 Troubleshooting/Maintenance C4224-90962
Figure 5-3 Thermistor Connector
3 Remove the heating element connector (Figure 5-4) from the ECU. To measure the
continuity of the heating element, measure the resistance between the two pins at the
end of the cable.
Figure 5-4 Heating Element Connector
NOTE: Normal resistance is 30 ohms +/- 10 ohms.
4 If no resistance is measured, replace the heating element.