COMPUTER CONTROL - OLDER
CONTROLS
Operation
Refer to Installation & Operations manual for specific
operating instructions.
Service Programming
The computer control's Service Programming mode is
used to perform system diagnostic tests or to edit
program items that affect the fryer's operation.
NOTE:
If a product key is active (timing), Service
Programming cannot be entered.
Error Messages
For information on computer control error messages,
refer to COMPUTER CONTROL under
TROUBLESHOOTING.
Enter Service Mode
1.
Press V key, and enter password (default: 1972).
Use product key numbers (1 though 0) to enter
values.
A.
"SERVICE" is displayed in the left window,
and the LED lamps above the product keys
1, 2, 4, 5, 6, 7, and 8 come on.
B.
Beeper chirps on each successful key
press. If a key is not pressed within 2
minutes, the computer will automatically exit
Service Programming (except in diagnostic
mode).
2.
To exit a Program item after making a selection,
press V to accept and return to Service
Programming.
3.
To exit Service Programming and return to
operation mode, press V key twice.
Program Item
Key Sequence
LED Status
ON
OFF
Left
Right
Temperature
Offset
•
Press 1 to view offset temperature. To
edit, enter the desired offset temperature
(range 0 to 20°F).
•
Press V to accept selection.
all
OFF
00
F
DEGREES
•
Press Toggle key to select the direction of
the temperature offset (positive or
negative).
POSITIVE OR
NEGATIVE
DEGREES
Melt Cycle On/
Off Times
•
Press 2 and set melt cycle on time.
all
MLTON:
02
MELT ON
•
Press Left or Right Timer arrow key and
set melt off time.
MLTOFF:
13
MELT OFF
Diagnostic
Mode
•
Press 5 to enter diagnostic mode (outputs
for heat, basket lifts, and cooking timers
turned off).
5, 7
DIAGNOST
DIAGNOST
•
Press 1 to toggle left basket lift output; left
basket lift lowers. LED toggles on/off.
5, 7
L BASKET
L BASKET
•
Press 2 to toggle right basket lift output;
right basket lift lowers. LED toggles on/off.
5, 7
R BASKET
R BASKET
•
Press and hold 3 to temporarily activate
heat demand (heat on); release to
deactivate heat demand (heat off). LED
toggles on/off.
5, 7
HEAT DEM
HEAT DEM
•
Press 5 to test drain valve interlock.
Change valve position (open/close) and
press 5 again to update display.
5, 7
Drain valve closed.
5, 7
DRN ON
DRN ON
Drain valve open.
7
5
DRN OFF
DRN OFF
GR Series Gas Fryers with NCC Controls (formerly Tridelta / Built after 3/05) - SERVICE PROCEDURES AND
ADJUSTMENTS
Page 29 of
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F35660
Rev. A (0717)