Troubleshooting - Cornelius VIPER Service Manual

Problem
Unit will not run.
"Sleep" display on barrel
status menu.
Barrel status OFF.
Low/High voltage
ERROR.
Frozen Barrel
© 2016, Cornelius Inc

TROUBLESHOOTING

T
ROUBLESHOOTING THE
Probable Cause
A. Unit not plugged in.
B. Circuit breaker.
C. No power at L1 or L2 on contactor.
D. Low voltage at T1 or T2.
A. Sleep time set.
B. Clock incorrectly set.
C. No wake time set.
A. Not activated.
B. Error has shut off motors.
C. Unit in Diagnostics.
D. Defective touch switch.
A. Line Voltage out of SPEC (spec is
205-255 VAC for 60 Hz and 196-
265 VAC for 50 Hz).
B. Error range 180/260.
A. Low Brix
B. Broken beater bar
C. Broken drive coupler.
D. No defrost.
E. Are defrosts programmed all days?
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Viper Low overrun Service Manual
S
YSTEM
Remedy
A. Plug in unit.
B. Reset/replace circuit breaker
C. Check voltage at outlet.
Check wiring to contactor.
D. Replace the contactor.
A. Check sleep programming.
B. Check sleep programming.
C. Check sleep programming.
A. Turn to ON, DFRST or SPIN.
B. Correct error & turn to ON, DFRST
or SPIN.
C. Exit diagnostics & turn to ON,
DFRST or SPIN.
D. Replace.
A. 1 - Check line voltage.
2 - Check T1/T2 with Compressor
running.
B. Correct line voltage.
A. Correct cause and reset Brix.
B. Replace beater bar.
C. Replace the drive coupler.
D. Program defrosts in unit.
E. Reprogram to all days.
Publication Number: 621360241LOEWSE