Red & Yellow Board Diagnostics; Fan Motor - Cornelius I-SERIES Training Manual

For model numbers beginning with iac, iwc, or irc carbon dioxide water syrup/concentrate mechanical refrigeration controls & electrical

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I-Series Ice Machine Training Manual

3. R

& Y

ELLOW

With ice machine in freeze cycle, push and hold the Hot Gas Manual Harvest/Defrost But-

ton until circuit board goes into diagnostic mode (about 3 seconds). The ice machine starts

to cycle these five components:

1. Hot Gas Solenoid

2. Water Pump

3. Contactor

5. Dump Valve.

Check to make sure the proximity switch lights are on.

When replacing the circuit board make sure the dip switches are set correctly.

- 22 -

OARD

IAGNOSTICS

#7 YL Water Pump

One Curtain Switch Must Be

the second can be connected J5

SW4-1 OFF

SW4-2 ON

SW4-3 ON

230V

115V

#7 YL Water Pump

#6 BK Condenser Fan

#5 BL P.S.

#4 BL

#3 RD Hot Gas

#2 RD L2

#2 WH L2

#1 BR L1

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