Cornelius IDC 2XX Manual de servicio descargar pdf (Pagina 22)

IDC 2XX Service Manual

Publication Number: 621057403SER - 19 - © 2007-2010, IMI Cornelius Inc.

DIAGNOSTICS GUIDE FOR THE MAIN CONTROL BOARD

State

Observed State of

Re

d LED

Sensor Input Control Response Service Remedy

0

Flash rate 3

seconds

Both probes read “wet”

Standby mode. Pump =

OF

F

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

do

es 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

re

ads “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 carbo

nator 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

con

tinuously 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.

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