GILES GBF-70, Operation & Service Manual

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Fryer Operation
GBF-70 Fryer
4.01.13 Controller Errors/Alarms
When conditions occur that cause unsafe operation or damage to the
unit (open valves, low oil level, high temp, etc.), the controller will halt
operation, activate an alarm and display error codes &
messages. Error codes are shown on the
Lower Display (red
graphic) ; error messages and prompts are shown on the Upper
Display (blue graphic) . Generally, heating elements are
shutdown until an error conditions have been corrected.
Pressing the
[ALARM] key silences the alarm, but does not clear the
error. Error codes are shown in the table below and further details are
given in the following section.
Upper
Lower
ALARM
ERROR CODE DESCRIPTION (OLED Display) PROBLEM
OPEN
DRAIN IS OPEN
(Manual version fryer only) Drain valve is open, or not completely closed. Basket will be
raised if it is down. Close drain to clear error.
‐‐‐‐
CHECK OIL LEVEL, ENSURE VAT IS
FULL, IF FULL THEN PRESS
[START]
This is a secondary error displayed after closing drain clears the
OPEN error; allows confirmation of oil level.
ER03
LOW OIL LEVEL – ENSURE VAT IS
FULL (Element/Add Level
Differential Warning) The oil level is below the ADD line in the vat. Add oil to the FULL
level mark &
stir. Error will remain in effect until the sensed
temp differential is eliminated.
ER06
LOW OIL LEVEL – ENSURE VAT IS
FULL – PRESS [START]
(Post ER03 Warning)
After an ER03 is cleared, this is displayed until user presses
[START] to confirm oil level.
ER07
MAX ELEMENT TEMP – PRESS
[START] (Post Warning) Error is displayed after MAX element temperature (ER19) has
occurred and the element has cooled below MAX temperature, .
ER13 OIL PROBE Error Problem with the Variable Oil Temp sensor. Call for service.
ER15 ELEMENT PROBE Error
Problem with the Element Temp Probe, typically attached
directly to heating element.
Call for service.
ER17 ADD LEVEL PROBE Error
Problem with the Add Level Probe at vat ADD line. Probe cannot
be bypassed.
Service technician required.
ER25 GUARD BAND EXCEEDED
Actual oil temperature deviates from setpoint by the guard band
value. Allow oil to cool, or heat, to within range. Factory default
is 900
° F ... This error should not occur .
ER37 EEPROM Error
An error occurred while saving settings to the EEPROM. Contact
Giles Tech Service (800.554.4537).
ER38 Internal ADC Error
The ADC (Analog ‐ to ‐ Digital Converter) chip that reads output
from thermocouples is not working. MCB1 board must be
replaced.
Contact Giles Tech Service (800.554.4537).