NEMCO FOOD EQUIPMENT
301 Meuse Argonne, Hicksville, OH 43526
1-800-782-6761 Toll Free 419-542-6690 Fax
www.nemcofoodequip.com 49206
5
2. Drain the water tank by opening the valve at the rear of the unit or at the end of the drain tube.
3. Close the drain valve and fill the water tank with a mixture of 75% water and 25% white vinegar.
NOTE:
Do not use
flavored vinegar.
4. Plug the merchandiser back into the outlet and turn the merchandiser back on.
5. Allow the unit to run for 30 minutes.
6. Turn off and unplug the merchandiser and allow it to completely cool.
7. Drain the water tank by opening the valve at the rear of the merchandiser or at the end of the drain tube.
8. Continue to fill and drain
the merchandiser’s water tank with clean water until the deliming solution is rinsed out of the
water tank.
9. Plug the merchandiser back into the outlet and fill the reservoir with clean water for daily operation.
SERVICE INSTRUCTIONS, 6470 THREE SHELF HUMIDIFIED MERCHANDISER
If the unit fails to operate properly, call NEMCO customer service toll free at 1-800-782-6761.
Replacing the Front Door Dampeners
1. Begin by turning the merchandiser off, unplugging it from the receptacle, and letting it completely cool down.
2. Starting at the top front door. Remove the Shoulder Bolt from the left side of the door using a #2 Phillips Head
Screwdriver. With the Shoulder Bolt removed, pivot the door outward and remove the door from the dampener on
the right side. Place the shoulder bolt, washer, and door aside. Repeat for the process for the next (2) doors.
3. Replace the (3) dampeners by sliding them out of the mount and discard the old dampeners. Insert new
dampeners in place of the old dampeners.
4. Reverse the steps above to re-install the (3) doors starting with the bottom door.
Error Codes
1. Err1
– Communication error with temperature / humidity sensor.
a. Solution: Check the connection between sensor and the board to be sure the sensor it securely connected. If
the connection is secure and still displaying Err1, replace the sensor and / or board.
2. Err2
– Sensor temperature exceeding 185°F limit.
a. Solution: Check the setting on the board verify that they are correct. If the setting are correct, check the
power supply board and verify it is cycling.
3. Err3
– Temperature sensor data error.
a. Solution: Power down the merchandiser for 15 seconds and restart unit. If error re appears, replace sensor.
4. Err4
– Humidity sensor data error.
a. Solution: Power down the merchandiser for 15 seconds and restart unit. If error re appears, replace sensor.
5. Err5
– Checksum Error.
a. Solution: With the unit on, press and hold the s
ettings button for 5 seconds to reset the unit’s settings. Cycle
through all the settings to reset program parameters.
Summary of Contents for 6470
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