Mib (Manual Interface Board) Display Characters; Replacing The Mib Board; Control Power Reset Switch - Frymaster BIGLA30 Series Service Manual

1.14.4 MIB (Manual Interface Board) Display Characters

A – Auto Mode – Auto Filtration enabled.
E – Drain or return valve is not in desired state. The display will alternate between E and the corresponding vat
number. Ensure the actuator is plugged in and an error does not exist.
– Three horizontal lines indicate the AIF temperature sensor did not detect that the vat was full during auto
filtration.
n – Network Error - An "n" displays for 10 seconds if no communication is received from the cooking computer
within ten seconds after a power on or MIB reset.
P – Pan Switch – Filter pan is improperly seated. Filtration is suspended.
r – Reset Switch - Reset the vat closes all of the valves on the vat. If displayed for some time, there is probably a
problem with the board.
1 – 5 – Numbers which correspond to the vats with either an "L" indicating the left side of a split vat or "r"
indicating the right side of a split vat or a full vat. These numbers are displayed in manual mode.

1.14.5 Replacing the MIB Board

Disconnect the fryer from the electrical power supply. Remove the torx screw from the bottom of the MIB
cover, exposing the MIB board (see Figure 11). Remove the two cabinet screws at the top (see Figure 12).
Carefully hinge down the MIB board. Carefully remove the plugs on the rear of the board (see Figure 13).
Replace with a new MIB board and reverse steps to reassemble. Once replaced, reconnect the power.
Readdress the MIB board following the instructions in the next section. Once replaced, CYCLE POWER
TO ENTIRE FRYER SYSTEM. See next section to reset control power. Check software version # and if
necessary update the software.
software in section 1.18 ensuring the MIB reset button is pressed and held for five seconds at the end of the
update to update the MIB.
Figure 11

1.14.6 Control Power Reset Switch

The control power reset switch, is a momentary
rocker switch located below the left control box
(see Figures 14), that resets all power to all the
computers and boards in the fryer. It is
necessary to reset all power after replacing any
computer or board. Press and hold the switch
for at least ten seconds when resetting the
control power to ensure power has sufficiently
drained from boards.
If a software update is necessary, follow the instructions to update the
Figure 12
Figure 14
1-33
Figure 13