Tech Mode - Frymaster BIGLA30 Series Service Manual

Problem
M3000 displays
software for only M3000
or MIB but not all
boards.
M3000 displays IS
VAT FULL? YES
NO.
1.17.2 M3000 Useful Codes
To enter any of the following codes: Press and hold and simultaneously for TEN seconds; three chirps sound. The
computer displays TECH MODE. Enter the codes below to perform the function.

1658 – Change from F° to C° The computer displays off. Turn the computer on and check temperature
to see the temperature scale. If the desired scale is not displayed, repeat.

3322 – Reset Factory Menu The computer displays COMPLETE and then off. (NOTE: This will
delete any hand-entered menu items).

1650 – Enter Tech Mode. See section 1.17.3 below to reset passwords and change filter pad time.

1212 – Switch between Domestic Menu and International Menu.
COMPLETE and then off. (NOTE: This will delete any hand-entered menu items).
The following codes require the removal and reinsertion of the J3 locator plug on the rear of the computer before
entering the code.

1000 – Reset CALL TECH Message - Disconnect board locator plug (J3). Reinsert plug. Enter
1000. Computer display switches to off. Remove and then restore power to the computer using the 20-
pin plug. If this error is displayed, replace the computer.

9988 – Reset BADCRC Message - Disconnect board locator plug (J3). Reinsert plug. Enter 9988.
Computer display switches to off. Remove and then restore power to the computer using the 20-pin plug.
Replace the computer.
The following codes are entered when prompted to do so or from an energy misconfigured exception error.

1111 – Reset SERVICE REQUIRED Message – Enter when the issue is fixed and prompted to enter.

1234 – Enter SETUP MODE from energy misconfigured exception error (This usually can be done
without pressing the filter buttons if an error is displayed.)
PASSWORDS
To enter level one, level two passwords: Press and hold the TEMP and INFO buttons simultaneously until level 1 or
level 2 is displayed. Release the buttons and ENTER Code appears.

1234 – Fryer Setup, Level One and Level Two

4321 – Usage Password (resets usage statistics).

1.17.3 Tech Mode

Tech mode allows technicians to reset all passwords set in levels one and two and change when the fryer calls for a
filter pad change. The default is 25 hours.
1. Press and hold and  simultaneously for TEN seconds until three chirps sound and TECH MODE is displayed.
2. Enter 1650.
3. The computer displays CLEAR PASSWORDS.
4. Press the  (1) button to accept selection and clear the passwords.
Probable Causes
Loose or damaged harness
A filter error has occurred due to dirty or
clogged filter pad or paper, clogged filter
pump, filter pump thermal overload,
improperly installed filter pan components,
worn or missing O-rings, cold oil or an
actuator problem.
Corrective Action
Check that all harnesses between M3000's,
MIB, AIF and ATO are secure. Ensure
24VDC is present on pins 5 & 6 of J2 on
MIB board and on J4 or J5 of AIF board.
Check for loose or broken pins/wires. If the
problem persists, swap out computer from
one bank to another and cycle power on the
fryer.
Follow the steps in the flowchart in section
1.17.6.
1-45
The computer displays