Frymaster 45 Series manual Troubleshooting the Temperature Probe

1.10.5 Troubleshooting the Temperature Probe

While it is still in the frypot, inspect the probe body for damage. Inspect the leads for fraying, burning, breaks, and/or kinks. If probe is bent, dented, or cracked, or if the leads are damaged, replace the probe.

Determine the temperature of cooking oil/shortening using a thermometer or pyrometer placed at the tip of the probe.

Disconnect the 15-pin harness from the controller. Measure probe resistance using J2 Pins 13 and 14.

Is resistance

approximately equal to that

given in the probe resistance chart

for the corresponding

temperature?

Yes No

Measure resistance

through J2 Pin 13 and ground and J2 Pin 14 and ground.

Is resistance of

each pin 5 megaohms No Probe has failed. or greater.

Yes

Probe is OK.

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