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Code
E70
OQS TEMP HIGH
E71
OQS TEMP LOW
E72
TPM RANGE LOW
E73
TPM RANGE HIGH
E74
OQS ERROR
E75
OQS AIR ERROR
E76
OQS ERROR
E81
SAFE MODE FAILURE ERROR
ERROR MESSAGE
with factory programmed controller.
Oil temperature is too high for a valid OQS
reading. Filter at a temperature between
300ºF (149ºC) and 375ºF (191ºC).
Oil temperature is too low for a valid OQS
reading. Filter at a temperature between
300ºF (149ºC) and 375ºF (191ºC).
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.
The TPM reading is too high for a valid OQS
reading. Dispose the oil.
The OQS has an internal error. If issue
continues contact a FAS.
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.
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.
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.
5-10
EXPLANATION
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Troubleshooting
