6-9
Code ERROR MESSAGE EXPLANATION
recipes. Replace controller with factory programmed
controller.
E70 OQS TEMP HIGH Oil temperature is too high for a valid OQS reading. Filter
at a temperature between 300ºF (149ºC) and 375ºF
(191ºC).
E71 OQS TEMP LOW Oil temperature is too low for a valid OQS reading. Filter
at a temperature between 300ºF (149ºC) and 375ºF
(191ºC).
E72 TPM RANGE LOW The TPM is too low for a valid OQS reading. This may
also be seen with fresh new oil. The incorrect oil type
may be selected in the setup menu. The sensor may not
be calibrated for the oil type. See oil type chart in
instruction document 8197316. If issue continues
contact a FAS.
E73 TPM RANGE HIGH The TPM reading is too high for a valid OQS reading.
Dispose the oil.
E74 OQS ERROR The OQS has an internal error. If issue continues contact
a FAS.
E75 OQS AIR ERROR The OQS is detecting air in the oil. Check the O-rings and
check/tighten prescreen filter to ensure no air is entering
the OQS sensor. If issue continues contact a FAS.
E76 OQS ERROR The OQS sensor has a communication error. Check
connections to the OQS sensor. Power cycle the entire
fryer battery. If issue continues contact a FAS.
E81 SAFE MODE FAILURE ERROR The system has detected the fryer is not heating properly
due to low oil conditions. Ensure the fryer has oil to the
bottom fill line or higher. If not, add oil to the bottom fill
line. If issue continues contact a FAS.
6.2.8 OQS (Oil Quality Sensor) Problems
Problem Corrective Action
No TPM results displayed.
Check the following items and perform another OQS filter.
Ensure the vat is at setpoint temperature.
Inspect the pre-screen filter and ensure it is screwed in tightly.
Inspect the O-rings on the filter pan and ensure they are both present and that they
are not missing, cracked or worn. If so replace them.
Ensure the filter paper is not clogged and clean filter paper is used. Did the vat refill
the first time for the previous filter? If not change the filter paper.
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