AK-SC255
Troubleshooting Guide
©Danfoss (USCO / MKS), 04- 2010
USCO.EI.RF0.D1.22 / 521U0152
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For Danfoss Technical Support call +1-410-931-8716.
Keypad not responsive
Try resetting the AK-SC255
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If that fails to regain control of the keypad contact Danfoss Technical Support
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for further assistance.
Ethernet Doesn’t Work
Check to see that your Ethernet connection is a valid one.
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Check the plug in connection (lower left most connector, Fig. 8) on the
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9AK255CONNBD (connector board).
Check configuration by going to Communications, Internet and Status to see
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that your unit has a valid IP Address.
If you are just setting this feature up you may need to reset the unit for the
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new setting to take effect.
If none of these things has helped call Danfoss Technical Support for further
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assistance
Web Browser Issues
The Web browser is currently supported only in the “E” and “CS” versions of 255
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applications. If you have one of these 2 versions and have concerns about the
correct functioning of your Web Browser contact Danfoss Technical Support
for further assistance.
Authorization Code Issues
Check to make sure the keypad is functioning correctly
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If the database has been lost the default is 12345 Enter, 50 Enter
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If this does not work, call Danfoss Technical Support for assistance.
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The last option is to contact the “chain” head quarters, they are responsible for
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maintaining or dispensing Auth codes.
Figure 8