Oqs (Oil Quality Sensor) - Frymaster FQE60U FilterQuick easyTouch Installation, Operation And Maintenance Manual

Code
E73 TPM RANGE HIGH
E74 OQS ERROR
E75 OQS AIR ERROR
E76 OQS ERROR
E81 SAFE MODE FAILURE ERROR
6.2.8 OQS (Oil Quality Sensor) Problems
Problem
No TPM results
displayed.
ERROR MESSAGE
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.
menu. The sensor may not be calibrated for
the oil type. See oil type chart in instruction
document 8197316.
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.
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.
Corrective Action
6-10
EXPLANATION
If issue continues
If issue