TROUBLESHOOTING
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
•Inspection, testing, and repair of electrical equipment should be performed only by qualified service person- nel.
•All electronic components have
•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 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.
•The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened. This will help to avoid twists and kinks in the tubing.
•Make certain that all plumbing connections are sealed and electrical connections tight and isolated.
•This dispenser is heated at all times. Keep away from combustibles.
WARNING
•Exercise extreme caution when servicing electrical equipment.
•Disconnect the dispenser from the power source when servicing, except when electrical tests are speci- fied.
•Follow recommended service procedures.
•Replace all protective shields or safety notices.
PROBLEM | PROBABLE CAUSE | REMEDY |
Equipment will not operate. | 1. No power or incorrect voltage | (A) Check the terminal block for the |
| correct voltage. It should be 200 to | |
|
| |
|
| 240 volts ac across the red and black |
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| terminals for 200 to 240 volt mod- |
|
| els. |
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| (B) Check circuit breakers or fuses. |
|
| Refer to Service - Overflow protec- |
| 2. Overflow protection switch | tion switch for testing procedures. |
|
| See page 16. |
6 | 10889 091599 |
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