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Viper Service Manual
Publication Number: 621360041TBSER - 18 - © 2010, IMI Cornelius Inc.
COMM ERR IO System A communications error occurred between the IO
board and the UI board.
COMM ERR
MTR
System UI board cannot communitcate with the motor
board.
BARREL
REFRG
Barrel Compressor has been on for more than 45 minutes
and the viscosity of the barrel is not satisfied with
no draws.
MTR CAL ERR Barrel Occurs if a calibration initiated from the Motor
Setup menu fails. This indicates that the power
draw of the motor is outside the allowable calibra-
tion range.
CMP HI-PRESS System This error is generated if the low side pressure is
greater than 55 psi for greater than 30 sec. Only
checked when barrels are in freeze mode and com-
pressor is running more than two minutes.
BRL TEMP OUT Barrel Indicates thermistor reading is at min. or max. value
for 30 sec. without changing.
MOTOR STALL Barrel Motor stalled. A two minute defrost and two retries
are allowed, then the message is displayed,
METER FAIL Barrel Metering chip is nonresponsive.
BRL RECOVER Barrel Barrel viscosity is too high. Motor cannot rotate.
Automatic two minute defrost to thaw barrel.
COM ERR STAT Limp Communications error, the system continues to run.
HIGH VOLTAGE System The unit is experiencing voltage greater than
260VAC. System is enabled when line voltage
drops below 260VAC for two minutes.
LOW VOLTAGE System The unit is experiencing voltage less than 200VAC.
System is enabled when line voltage rises above
200VAC for two minutes.
NO MOTOR Barrel The motor is reporting no current draw when acti-
vated. Motor is unplugged or thermal cutoff has
tripped.
FILL ERROR Barrel Barrel has not filled properly within 2 min.
H
2O OUT System Water pressure is too low for proper operation. This
error occurs when the H
2O sensor reports no or low
water pressure for more than one second. Error is
cleared 10 sec. after restoral.
CO
2 OUT System CO2 pressure is below required operating pressure.
This error occurs when the CO
2 sensor reports no
or low CO
2 pressure for more than one second.
Error is cleared 10 sec. after restoral.
SYRUP OUT Barrel Syrup pressure is below required operating pres-
sure. This error occurs when the syrup sensor
reports no or low syrup pressure for more than one
second. Error is cleared 10 sec. after restoral.
CLOCK System The real time system clock is not functioning.
MTR CTL
EEPROM
System Motor control EEPROM is bad or missing.
Table 7
Button Description
BACK Returns the display to the Select menu
RESET Allows the user to reset the highlighted error (This button only appears on
certain manually resettable errors.)
Table 6
Displayed
Message
Action Type Description