GILES GBF-70 - Oil Top-Off System Issues; Filter Pump Problems

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Troubleshooting
GBF-70 Fryer
6.03 Oil Top-Off System Problems
Problem Probable Cause Corrective Action
Top‐Off does not pump oil to vat.
A. Fresh oil supply is empty ... Saddle
Tank or Jug‐In‐Box on banked unit.
Refill tank with fresh oil or replace J.I.B
supply.
B. Top‐off oil line has clogged. Check lines, clear if needed.
C. Top‐off pump has failed. Call for service.
D. Air leaking into system. Check all connections, incl. jug cap.
E. OIL RETURN valve not positioned in
[OPEN] position.
Place valve in the [OPEN] position.
F. Pump control pushbutton switch on
control panel has failed.
Call for service.
Fryer connected to bulk fresh oil
supply system:
Top‐Off doesn’t pump oil to vat.
A. Bulk oil fresh supply is exhausted.
Service the bulk fresh oil system to
replenish supply.
B. Bulk system internal pump has failed,
or supply line has clogged.
Call system provider for service.
C. Electrical connections between the
bulk system and the fryer has
malfunctioned.
Call system provider for service.
D. Internal issue with the bulk system. Call system provider for service.
6.04 Filter Pump Problems
Problem Probable Cause Corrective Action
Filter Pump will not start.
A. Pump switch on control panel has
failed.
Call for service.
B. Blown fuse in fryer with Pump Switch.
Check fuses, replace as needed (inside
cabinet, upper right‐hand corner).
C. Pump head has seized. Call for service.
Filter Pump starts, runs briefly, then
stops.
A. To avoid blown seals, sensor has
shutdown pump due to high pressure .
Pumping against closed valve or solid
blockage. Verify valve operation. Call for
service, as required.
B. Filter pump motor has overheated &
tripped the internal thermal overload
safety shut‐off.
Allow pump to cool for about 45 mins to
auto‐reset overload safety, then retry. If
this fails or continues happening, call for
service.
Pump runs, making excessive grinding
noise.
A. Pump head becoming clogged with
filter residue.
Call fo service.
B. Water or used boil‐out solution has
been run through pump.
Call for service.