Frymaster FilterQuick easyTouch FQG60T Service Manual page 34

Problem
Frypots won't top off.
One vat tops off, but other
vats fail to top off.
The yellow low oil
reservoir indicator won't
illuminate.
Incorrect vat tops off.
Probable Causes
A. Empty oil reservoir.
B. ATO lines/clogged pick up
tube/pump obstruction.
C. ATO probe temperature lower than
setpoint.
D. Oil is too cold.
E. Bad Connection
F. SIB, VIB or FIB power loss
G. Failed power supply/harness.
H. ATO pump failed.
I. Failed FIB board.
J. Failed VIB board.
K. Vat isn't in idle state.
A. Loose wire connection.
B. Actuator issue.
C. Actuator connector issue.
A. ATO probe issue
B. Dirty ATO probe
C. Probe connection
A. Wired incorrectly.
B. Flex lines connected to wrong vat.
Corrective Action
A. Ensure oil reservoir has oil.
B. Ensure the lines/ATO pump is not obstructed. If an oil
saddle is connected, ensure the quick disconnect is
connected properly. Empty the reservoir and clean out
pick up tube/saddle hose.
C. Check to see that fryer is heating. Fryer temperature
must be at setpoint. With ATO probe covered in oil,
press the "?" button.
Software Version. Press the down arrow and ensure
actual vat temperature and ATO RTD temperature are
relatively close. Unplug the ATO probe from the SIB
board and check ATO probe resistance. If probe is
bad, replace the probe.
D. Ensure that the oil in the oil reservoir is above 70°F
(21°C).
E. Press the information (?) button; press the down
arrow; press the SW version button. Ensure the SIB,
VIB and FIB software versions appear.
connection between the VIB and the SIB board or
between the SIB and FIB may be bad. Ensure the P-
BUS connectors are tight between VIB (J2) and SIB (J9
or J10) or between SIB (J7 or J8) and FIB (J3 or J4)
boards.
F. Power to the SIB, VIB or FIB has been cut off. Restore
power to the board and clear any service required
errors.
G. Ensure power supply in transformer box is functioning
properly. Ensure all harnesses are plugged securely
into place.
H. Ensure ATO pump is operational. Check voltage to
ATO pump. Replace the ATO pump if defective.
I. Check FIB for proper voltages using the pin position
chart found in section 1.19.4. If FIB found defective,
replace FIB board. DO NOT CHECK WITH HARNESSES
UNPLUGGED AS SHORTING THE PINS MAY OCCUR
WHICH WILL DAMAGE THE BOARD.
J. Check VIB for proper voltages using pin position chart
in section 1.22.2. If VIB found defective, replace VIB
board.
DO NOT CHECK WITH HARNESSES UNPLUGGED AS
SHORTING THE PINS MAY OCCUR WHICH WILL
DAMAGE THE BOARD.
K. The auto top off function only operates when the vat is
in idle state. If a cook, filter or other operation starts,
the ATO function is cancelled.
A. Ensure all wiring harnesses are securely connected to
SIB and FIB board.
B. Check return actuator to ensure actuator is functional.
C. Ensure return actuator connector is fully seated into
VIB board.
A. With ATO probe covered in oil, press the "?" button.
Press the down arrow. Press Software Version. Press
the down arrow and ensure actual vat temperature
and ATO RTD temperature are relatively close.
B. Ensure the ATO probe is clean and sediment is not
present in probe cavity.
C. Ensure the ATO probe is properly connected to SIB
board.
A. Check wiring. Ensure the ATO probes are connected to
correct vat and harness positions.
B. Ensure the correct flex lines are connected to correct
vat.
1-30
Press the down arrow. Press
If not, the