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ADP DKN DVS DX Error Guide

Error 1

Possible Causes:

A. Sensor is disconnected

B. Sensor is defective

C. CPU board is defective

A. Disconnected sensor

1. To check if the sensor has been disconnected, first switch the circuit breaker off.

2. Remove the cover where the control panel is located.

3. Once the cover has been removed, locate the CPU board.

4. There are 2 sensor wires (1 red and 1 green/black) that attach to the TB1

connections on the CPU board. Look for the TB1 label.

a. Note that there are three connections on TB1. The connections are TB1-1,

TB1-2, TB1-3.

b. A screwdriver is needed to properly attach/remove the sensor wires.

5. The red wire should be connected to TB1-2 and the green/black wire should be

connected to TB1-3.

6. If the sensor is properly connected as stated in the previous step, skip to Step B

titled Defective sensor. If there is a loose wire, proceed to Step 7.

7. If a wire is loose, loosen the connection terminal’s screw using a screwdriver, slide

the end of the wire under the screw, then tighten the screw to secure the wire.

8. The sensor is now properly connected.

B. Defective sensor

1. To check if the sensor is defective, turn off the circuit breaker.

2. Using an ohmmeter, check sensor resistance by placing one ohmmeter probe on the

metal lead of each wire.

3. If sensor resistance is over 10 Mohms, the sensor is defective and needs to be

replaced. To order a replacement part, please contact Yamato Scientific customer

service at (408) 235-7725.

C. Defective CPU board (planar board)

1. To check if the CPU is defective, turn off the circuit breaker.

2. Using an ohmmeter, check sensor resistance by placing one ohmmeter probe on the

metal lead of each wire.

4. If sensor resistance is between 3 and 9 ohms, the CPU board is defective and needs

to be replaced. To order a replacement part, please contact Yamato Scientific

customer service at (408) 235-7725.

If Error 1 remains after performing the troubleshooting steps listed above, please email technical

support at technical@yamato-usa.com

1 2 3 4 5 6 7

Inhaltsverzeichnis

Seite 1

ADP DKN DVS DX Error Guide Error 1 Possible Causes: A. Sensor is disconnected B. Sensor is defective C. CPU board is defective A. Disconnecte

Seite 2

Error 2 Possible Causes: A. Temporary electrical noise B. SSR is defective C. CPU is defective A. Run a power cycle and check for Error 2 again

Seite 3

Error 3 Possible Causes: A. Disconnected wires B. Defective heater(s) C. Defective main relay (X1) D. Defective SSR E. Defective CT sensor F. D

Seite 4

a. If the current is over 0 amps (calculate current volume from heater wattage and voltage), skip to Step E. titled Defective CT sensor. b. If the c

Seite 5

Error 15 Possible Cause: Defective CPU Defective CPU 1. Turn off circuit breaker. 2. The CPU is defective and needs to be replaced. To order a rep

Seite 6

B. Incorrect OH parameter 1. To properly set the OH parameter, set it to your target temperature + 15 degrees C or higher. Procedure: a. Press th

Seite 7

7. If a wire is loose, loosen the connection terminal’s screw using a screwdriver, slide the end of the wire under the screw, then tighten the screw

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