IDC 2XX with Cold Carbonation Installation Manual
© 2005-2019, Cornelius Inc.
- 21 -
Publication Number: 621057403INS
D
IAGNOSTICS
G
UIDE
FOR
M
AIN
C
ONTROL
B
OARD
State
Observed State of
Red LED
Sensor Input
Control Response
Service Remedy
0
Flash rate 3
seconds
Both probes read “wet”
Standby mode. Pump =
OFF
No service required
1
Flash rate
1/2 second
Pump is OFF and HIGH
probe reads “dry” and LOW
probe reads “wet”
Waiting for level to drop
below LOW probe.
Pump = OFF
No service required
2
Flash rate
1/2 second
Both HIGH and LOW probes
read “dry”
Normal mode.
Pump = ON
No service required
3
Flash rate
1/2 second
Entered when HIGH probe
does not detect liquid, and
LOW probe does detect
liquid, and pump is ON
Normal mode.
Pump = ON
No service required
4
Flash rate 1
second
Entered when HIGH probe
reads “wet” and
LOW probe reads “dry”
This is an error
condition.
- Check electrical connections at
the carbonator tank, and at
connector J4 on the main control
board
- Black wire should be connected to
the LOW probe and also to Pin 4 of
Connector J4
- Reverse the connections if
incorrect
- Replace harness if necessary
5
ON continuously,
but “flickers” every
3 seconds
Poor signal connection to the
carbonator tank. May result
in short cycling of the
carbonator pump.
Able to continue to
function but carbonator
pump short-cycles.
Pump will come on each
time a drink is drawn.
This situation should
be corrected.
Check the harness connections of
the red signal wire at both ends:
1) at the carbonator ring terminal
and
2) at Pin 5 of the J4 connector at
the main control board
6
ON continuously
Entered when pump has run
continuously for 5 minutes
This is an error
condition.
Unplug the unit and plug it back in.
This will reset the unit's main
control board and restart the
carbonator pump.
Summary of Contents for IDC 2 Series
Page 26: ......
