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DIAGNOSTIC DISPLAY EXAMPLES
DEMO MODE (KA7E ONLY)
NOTE: Diagnostic tests in SERVICE MODE -
PROGRAMMING AND DIAGNOSTICS should be
performed prior to entering DEMO MODE. The DEMO
MODE is a continuation of the diagnostic tests for
verifying clean cycle operation on KA7E machines.
After verifying clean cycle operation, the machine
must be returned to NORMAL MODE as outlined in
the procedure.
NOTE: Remove tube from chemical cleaner bottle
before starting procedure to keep excess chemical
from entering machine during test.
NOTE: The grey water/sump peristaltic pump was
removed from machines with Serial No. 46300096
and higher.
1. Enter SERVICE MODE - PROGRAMMING AND
DIAGNOSTICS. Use the keypad to enter
parameter numbers.
A. Press 0 and select ENTER to verify software
version.
B. Press ENTER to return to parameter
selection screen.
2. If current software version C027, continue to step
4.
3. If previous software version, press 72 and select
ENTER (parameter to unlock service only
parameters.
A. Press 1972 and select ENTER (code to
unlock service only parameters) (1 beep).
4. Press 44 and select ENTER (allows selection of
DEMO/NORMAL Mode parameter).
5. Press 1 and select ENTER (sets machine to
DEMO MODE).
6. Turn power switch OFF (save settings and exit
service mode).
7. Turn power switch ON. Oven is now operating in
demo mode and is idle. Door should remain
closed.
A. Press CLEAN key to enter clean mode.
Disregard error messages.
B. Cavity light should be ON to indicate the
oven is in demo mode. If light is not on,
repeat procedure to enter DEMO MODE.
NOTE: As you press ENTER to advance through the
clean cycle operation, there may be short delays
before the cycle begins. You can pause the cycle at
any time by pressing the rotate switch or opening the
door.
Operation
VFD Display - Current
Software Version (C027)
VFD Display - Previous
Software Version (dA09)
Verify Functionality
8
NORMAL WASH MODE
PREHEATING
CLEANING
PREHEATING
• Cavity light ON
• Rotor turning
• Heaters ON
If correct, press ENTER.
9
NORMAL WASH MODE
DRAINING GREASE
CLEANING
DRAINING GREASE
• Grease pump ON
• Rotor stops
• Heaters OFF
If correct, press ENTER.
10
NORMAL WASH MODE
WATER FILL
CLEANING
WATER FILL
If correct, allow water to fill up to the
water level probe. When water level is
satisfied, it will automatically roll to the
next step.
KA SERIES ELECTRIC ROTARY OVENS - SERVICE PROCEDURES AND ADJUSTMENTS
Page 41 of 72 F25294 Rev. A (0412)