Frymaster FilterQuick FQG30, Service Manual

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1.14.3 Replacing the ATO Board, ATO Pump Relay or Transformer
Disconnect the fryer from the electrical power
supply. Locate the ATO box (see Figure 1 on page
1-26), behind the JIB (Jug In Box). Remove the cover
to expose the transformers and relay (see Figure 2).
Mark and unplug any wires or harnesses. Replace
the defective component and reattach all wires or
harnesses. Replace the cover. Once replaced,
CYCLE POWER TO ENTIRE FRYER SYSTEM.
See section 1.15.6 to reset control power
.
Check
software version and if necessary update the
software. If a software update is necessary, follow
the instructions to update the software in section
1.19.
Figure 2
Press the temperature button on one of the FilterQuick™ controllers with the controller in the OFF position to
verify software version of the ATO. If the ATO version is not visible, the ATO may not be connected
properly.
1.14.4 Replacing the ATO Pump or Solenoid
Disconnect the fryer from the electrical power
supply. Locate the ATO pump (see Figure 4),
behind the ATO box. Mark and unplug any wires or
harnesses. Press up from the bottom on the quick
disconnects to release the plumbing (see Figure 5).
The plumbing can be pulled from the pump. Loosen
the four nuts attaching the pump to the pump tray.
Replace the defective component and reverse above
steps. Once replaced, reconnect the power.
Figure 4 Figure 5
1.15 MIB (Manual Interface Board) Service Procedures
The MIB (Manual Interface Board) oversees and controls filtration. It receives and sends data over the CAN
(Controller Area Network) to and from various sensors and controllers. It activates the filtration cycle,
controlling when actuators should open and close.
The MIB controller is located inside the left cabinet (see Figure 6). In normal operation a cover hides the MIB
controls and only the LED display is visible. The cover is held in place with a T-25 torx screw. In normal
operation, an “
A
” is displayed for automatic mode. The MIB control board is useful for diagnostic purposes. It
allows manual operation of both the actuators and filter pump without using the FilterQuick
™
controller
.
Figure 6: MIB controller cover.
Figure 7
Reset Switch
Drain Switch
Return Switch Mode Display
Vat Selector
Switch
Manual /Auto
Switch