Cornelius HELIX - TROUBLESHOOTING; Troubleshooting - Controls

Helix Operator’s Manual
Publication Number: 621058497OPR - 34 - © 2012-2014, Cornelius Inc. All Rights Reserved
TROUBLESHOOTING
TROUBLESHOOTING - CONTROLS
Problem Probable Cause Remedy
No activity at all
A. Unit unplugged / cable disconnected
B. No power to branch circuit.
C. Keypad bad or disconnected.
D. Control Board bad.
A. Make sure unit is plugged in and cord is
connected in E-box
B. Make sure fuse is good/installed or
breaker is switched to “ON”.
C. Check for proper connection/replace
keypad
D. Replace Control Board
Front panel LEDs indicate
unit on but no motor activ-
ity/will not respond
A. Software detected error condition
B. 24VAC missing
C. Bad or missing cable connection
D. Control Board bad
A. See error table .
B. Check that faceplate is in proper
mounted position and adjust as needed
Check for excessive refrigeration pres-
sure and correct
Check connections and transformer in
E-box and correct
C. Connect or replace cable.
D. Replace Control Board
No condenser fan or com-
pressor
A. Software detected error condition
B. Bad contactor or connections
A. See error table document
B. Check connections, contactor and
transformer in E-box and correct
No condenser fan but com-
pressor runs
A. Bad connections
B. Bad condenser fan
C. Bad contactor
A. Check connections at contactor and fan
and correct
B. Replace
C. Replace
No compressor but con-
denser fan runs
A. Bad connections
B. Bad start relay
C. Bad capacitor(s)
D. Bad compressor
E. Bad contactor
A. Check connections at contactor, capac-
itors, start relay and compressor and
correct
B. Replace
C. Replace
D. Replace
E. Replace
Product Bowl blades do not
turn
A. Blades uncoupled from drive
B. Bad / missing connections to hopper
motor
C. Control Board bad
D. Bad Product Bowl motor
A. Check that hopper product viscosity is
within limits & correct as necessary
B. Check connections & correct as neces-
sary
C. Replace Control Board
D. Replace motor
Product does not dispense
A. Motor does not turn
B. Bad connections to dispense switch
C. Dispense switch bad or mis-located
D. Control Board bad
A. See next section
B. Check connections / correct as needed
C. Adjust/replace as needed
D. Replace board