Fq4000 Controller Service Procedures; Fq4000 Controller Troubleshooting - Welbilt Frymaster FilterQuick easyTouch FQG120T Service Manual

1.23

FQ4000 Controller Service Procedures

1.23.1 FQ4000 Controller Troubleshooting

Problem
No Display on Controller.
Controller locks up.
FQ4000 displays E45
RECOVERY FAULT.
FQ4000 displays E61
MISCONFIGURED ENERGY
TYPE
FQ4000 displays UNABLE
TO READ USB DRIVE
FQ4000 displays FILE NOT
FOUND
FQ4000 displays SOFTWARE
UPDATE CANCELLED –
RESTART THE SYSTEM
QUICK FILTER or CLEAN
AND FILTER won't start.
FQ4000 displays SERVICE
REQUIRED with the type of
error.
Probable Causes
A. No power to the fryer.
B. Controller has failed.
C. Damaged controller wiring
harness.
D. Power supply component or SIB
(Smart Interface Board) has
failed.
E. Shorted or melted harness from
VIB to SIB.
Controller error.
Recovery time exceeded maximum
time limit for two or more cycles.
Wrong energy type selected in service
settings.
A. Defective USB drive
B. Improper format of USB drive
C. Wrong USB port
D. Swapped USB port extensions.
A. Missing files on USB drive
B. Incorrect file name
C. Wrong USB port
D. Swapped USB port extensions.
A. USB drive removed during
software update.
B. Power loss during a software
update.
Temperature too low.
An error has occurred.
A. Verify the power cord is plugged in and that circuit breaker
is not tripped.
B. Swap the controller with a controller known to be good. If
controller functions, replace the controller.
C. Swap with a harness known to be good. If controller
functions, replace the harness.
D. If any component in the power supply system (including
the transformer and SIB Smart Interface Board) fail, power
will not be supplied to the controller and it will not
function.
E. Check the harness from J2 on the VIB board to J10 on the
SIB board. Inspect for heat damage and routing of
harness close to the frypot. Inspection of the green LED's
(LED 2, LED 4 and LED 6) on the SIB board should be
brightly illuminated.
blinking or dim or the harness is damaged, replace the
harness (8075555).
Remove and restore power to the fryer (controller).
Silence the alarm by pressing the check button. Check that fryer
is heating properly. Maximum recovery is 4:00. See Section
1.16.4 for an explanation of recovery time and section 1.16.2
Improper Burner Function.
HOME -> SERVICE -> SERVICE ->3000-> TECH MODE ->
RESETS -> RECOVERY FAULT CALL SERVICE -> YES.
Press home button. Press Settings button. Press Service button
again. Enter 3000. Press Energy Type and select correct energy
type.
A. Replace USB drive.
B. Ensure the USB drive is formatted to FAT 32.
C. Ensure the USB drive is inserted into the USB port under
the power reset switch.
D. Ensure the USB port extension under the power reset
switch is plugged into the far-left controller USB port on
the rear of the controller.
A. Ensure correct files are on USB drive.
B. Ensure the file is correctly named. If using a CBR menu
file, the file name can ONLY be 8 characters or less.
C. Ensure the USB drive is inserted into the USB port
under the power reset switch.
D. Ensure the USB port extension under the power reset
switch is plugged into the far-left controller USB port
on the rear of the controller.
A. Restart the system and reload the software ensuring that
the USB drive is not removed until prompted to do so.
B. Reload the software from USB drive.
Ensure fryer is at 310F (154C) before starting QUICK FILTER or
CLEAN AND FILTER.
Press YES to silence alarm. The error is displayed three times.
See list of issues in section 1.4. Fix issue. The controller
displays SYSTEM ERROR FIXED? YES/NO. Press YES.
Controller displays ENTER CODE. Enter 1111 to clear error
code. Pressing NO will allow the fryer to cook but error will
be redisplayed every 15 minutes.
Page 38 of 44
Corrective Action
If the green LED's at are either
Reset the error code by going to: