Troubleshooting - Bunn LCA-2 IC Installation & Operating Manual

Bunn coffee dispenser installation & operating manual lca-2 ic

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Illustrated parts catalog (22 pages)

Table Of Contents

Table of Contents

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems

encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic

Technical Service Department.

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Only qualified service personnel should perform inspection, testing, and repair of electrical equipment.

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Shorting the terminals or the application of external voltages to electronic components may result in component

or circuit board failure.

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Intermittent operation of electronic circuit boards is unlikely. board failure will normally be permanent. If an

intermittent condition is encountered, the cause will likely be a switch contact or a loose wire connection at

a terminal or crimp.

•

Solenoid removal requires interrupting the water supply to the valve. Damage may result if solenoids are

energized for more than ten minutes without a supply of water.

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The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened. This will

help avoid twists and kinks in the tubing.

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Make certain that all plumbing connections are sealed and all electrical connections are tight and isolated.

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This dispenser is heated at all times. Keep away from combustibles.

WARNING:

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Exercise extreme caution when servicing electrical equipment.

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Disconnect the brewer from the power source when servicing, except when electrical tests are specified. The

red "Power LED" on the door indicates that the unit is connected to AC Power.

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Follow recommended service procedures.

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Replace all protective shields or safety notices.

Front Panel LED Display Messages

Power LED "OFF"

No AC Power

Rinse LED "ON"

Rinse Timer

Rinse LED "FLASHING"

Rinse Lockout Enabled

Portion LED "ON"

Portion Dispense

Enabled