Frymaster H55 Series Technical Reference Manual page 121

Code ERROR MESSAGE
E68 OIB FUSE TRIPPED – CALL SERVICE
E69 RECIPES NOT AVAILABLE
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
Touchscreen-Equipped Fryers
The VIB board OIB fuse has tripped and didn't reset.
The controller has not been programmed with product
recipes.
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.
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 an 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 an
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 an FAS.
The OQS sensor has a communication error. Check
connections to the OQS sensor. Power cycle the entire fryer
battery. If issue continues contact an 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.
5-18
EXPLANATION
Replace controller with factory programmed
The incorrect oil type may be