Error Log Codes; High Limit Test - Welbilt Frymaster OCF30 Installation, Operation And Maintenance Manual

Problem
Controller displays
TOPOFF OIL
EMPTY /
CONFIRM
6.2.6 Error Log Codes (For 3000 Controller Only)
Code ERROR MESSAGE
E03 ERROR TEMP PROBE FAILURE
E04 HI 2 BAD
E05 HOT HI 1
E06 HEATING FAILURE
E07 ERROR MIB SOFTWARE
E08 ERROR ATO BOARD
E15 ERROR MIB BOARD
E17 ERROR ATO PROBE
E20 INVALID CODE LOCATION
E21 CHANGE FILTER PAPER
E22 OIL IN PAN ERROR
E25 RECOVERY FAULT
E27 LOW TEMP ALARM
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 computer 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.
Probable Causes
Top off system out of oil.
Corrective Action
Fill top off system with oil and press the
(CONFIRM) button.
EXPLANATION
TEMP Probe reading out of range
High limit reading is out of range.
High limit temperature is past more than 410°F
(210°C), or in CE countries, 395°F (202°C)
A component has failed in the high limit circuit
such as controller, interface board, contactor or
open-high limit.
Internal MIB software error
ATO board connection lost; ATO board failure
Cooking controller detects MIB connections lost;
Check software version on each controller.
versions are missing, check CAN connections
between each controller; MIB board failure
ATO RTD reading out of range
SD card removed during update
25 hour timer has expired. Change filter paper
and follow prompts.
Oil may be present in the filter pan.
Recovery time exceeded maximum time limit.
Recovery time should not exceed 1:40 for
electric.
Oil temperature has dropped 30°F (17°C) lower
than setpoint in idle mode or 45°F (25°C) in cook
mode. (This message may appear if a product is
dropped and the start cook button is not pressed
immediately or if too large of cook loads are
dropped.)
6-5
If