McDonald's C602, Manual

Page: 85 / 114

83
Select the Calibrate symbol to display the next fault
found, or return to the Manager's Menu if no other faults
exist. Selecting the Calibrate symbol anytime faults
are displayed will clear the faults, if corrected, upon
returning to the Manager's Menu screen.
Listed below are the various messages which will appear,
along with an explanation for the corrective action:
NO FAULT FOUND— There was no fault found in the
freezer. Nothing will appear on the screen after this
variable message appears.
BEATER OVERLOAD— Press the beater reset button
firmly for the side of the freezer with the fault.

(See page 1-31.)
HPCO COMPRESSOR— Place the power switch in the
OFF position. Wait 5 minutes for the machine to cool.
Place the power switch in the ON position and restart
each side in Auto.
HOPPER THERMISTOR BAD— Place the power switch
in the OFF position. Call your service technician.
HOPPER OVER TEMP— Place the power switch in the
ON position and verify that the Auto or Standby symbol is
illuminated.
BARREL OVER TEMP— Place the power switch in the
ON position and verify that the Auto or Standby symbol is
illuminated.
BARREL THERMISTOR BAD— Place the power switch
in the OFF position. Call your service technician.
GLYCOL THERMISTOR BAD— Place the power switch
in the OFF position. Call your service technician.
PRODUCT DOOR OFF— Place the power switch in the
OFF position. Check for proper installation of the
dispensing door and that the handscrews are secured.
COMP ON TOO LONG— Compressor ran more than 11
consecutive minutes without the product reaching set
point temperature. Clean the condenser filter, replace the
scraper blades, and reprime the machine using
fresh
mix. If the fault appears again, call your service
technician.
The
LOCKOUT HISTORY screen displays a history of
the last 100 soft locks, hard locks, brush-clean dates, or
aborted Heat cycles. Page numbers are indicated in the
upper right-hand corner. Page 1 always contains the
most recent failure. (See Figure-220)
Figure-220
The second line of the screen displays the date and time
a failure occurs. The third line indicates the reason for a
failure, or if a successful brush-cleaning has occurred.
Some failures occur for multiple reasons. When this
occurs, a page will be generated for each reason.
Select the Auto symbol or optional Flavor symbol
to move forward or backward to view each screen.
Listed below are the various messages that may appear:
Faults Occurring Entering a Heat Treatment
Cycle:
POWER SWITCH OFF— The power switch is in the OFF
position.
AUTO OR STBY OFF— The control was not in Auto or
Standby.
MIX OUT FAILURE— A Mix Out condition was present.
NO HEAT CYCLE TRIED— The Auto Heat Time was set
to attempt a Heat cycle more than 24 hours after the last
successful Heat cycle.
Faults Occurring While in Heat Mode:
HEAT MODE FAILURE— The maximum
allowable Heat mode time exceeded 90 minutes.
COOL MODE FAILURE— The maximum allowable Cool
mode time exceeded 120 minutes.
HOLD PHASE RESTART— The temperature fell below
150°F (65.6°C).
TOTAL TIME FAILURE— The maximum allowable total
Heat Treatment time exceeded 6 hours.
BRUSH CLEAN TIMEOUT— The total days in operation
exceeded the Brush-Clean cycle setting.
POWER SWITCH OFF— The power switch was turned
OFF during the Heat cycle.
POWER FAIL IN H/C— A power failure occurred during
the Heat Treatment cycle.
(L/R) MIX LOW FAILURE— The mix level in the

(left/right) hopper is too low for a successful Heat cycle.
(L/R) BEATER OVLD H/C— The overload tripped for the
(left/right) side beater motor.
(L/R) BRL THERM FAIL— The thermistor sensor for the
(left/right) side barrel failed.
(L/R) HOPPER THERM FAIL— The thermistor sensor for
the (left/right) side hopper failed.
(L/R) HPCO H/C— The (left/right) side high-pressure
switch opened during the Heat Treatment cycle.