6-7
CODE
ERROR MESSAGE
EXPLANATION
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. 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. 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.
E77-E80 N/A
N/A
6.2.7 High-Limit Test Mode
The high-limit test mode is used to test the high limit circuit. The high-limit test will destroy the oil.
It should only be performed with old oil. Shut the fryer off and call for service immediately if the
temperature reaches 460°F (238°C) without the high-limit tripping and the controller displays
HIGH LIMIT FAILURE
alternating with
DISCONNECT POWER
with an alert tone during
testing.
The test is cancelled at any time by turning the fryer off. When the fryer is turned back on, it returns
to the operating mode and displays the product.
1. Press and hold the check (
)
button until
MAIN MENU
is displayed followed by
PRODUCT
SETUP.
2. Press the left arrow (
) button until
TECH MODE
is displayed.
3. Press the check (
) button.
4. Enter 3000.
5. Press the left arrow (
) button until
HI LIMIT TEST
is displayed.
6. Press the check (
) button.
The controller displays
HIGH LIMIT YES/NO.
7. Press the up arrow (
) button.
8. The controller displays
PRESS AND HOLD CHECK.
9. Press and hold the (
) button to initiate the high-limit test.
The vat begins to heat. The controller displays the actual vat temperature during the test.
The fryer continues heating until the high limit trips. Generally this happens once the temperature
reaches 423°F to 447°F (217°C to 231°C) for non-CE high limits and 405°F to 426°F (207°C to
219°C) for CE high limits.
Once the high-limit opens the controller displays
HELP HI-2
alternating with the actual
