Related Manuals for Danfoss AK-SC255
Summary of Contents for Danfoss AK-SC255
- Page 1 MAKING MODERN LIVING POSSIBLE AK-SC255 Troubleshooting Guide REFRIGERATION & Troubleshooting Guide AIR-CONDITIONING...
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Page 2: Table Of Contents
AK-SC255 Troubleshooting Guide AK-SC255 Troubleshooting Guide Table of Contents Before calling Danfoss I/O will not communicate with the AK-SC255 Comm module issues with the AK_SC255 Will not scan (scanning issues) I/O network failure License error Lost license Screen/Display Issues World map doesn’t disappear Won’t power up... -
Page 3: Before Calling Danfoss
AK-SC255 Troubleshooting Guide Note: Before calling Danfoss Technical Support on any of the following concerns please do the following: Power down the controller, check all wiring and cabling connections (both screw terminals, Fig. 1 or plug-in connections, Fig 2. Check that to see that the CPU card, Fig. -
Page 4: Will Not Scan (Scanning Issues)
Danfoss Technical Support for further assistance. • This message indicates that the AK-SC255 does not see any attached I/O. • Check that all I/O powered on and is addressed as configured. Remember, if you make an address change to Com Mod for your I/O it must have power cycled before it will hold the new address. -
Page 5: License Error
Contact Danfoss Technical Support. They can correct most license issues via License Error phone or email in minutes. • Have the MAC Address of the AK-SC255 in question ready when you call. • Do not remove the unit from the wall… •... -
Page 6: Won't Power Up
EDF mentioned in the error message is in your list of EDF’s. EDF Message • Remember, after loading EDF’s or a Device List you must reset the AK-SC255. • If your problem is still not resolved, call Danfoss Technical Support for assistance.. -
Page 7: Keypad Not Responsive
Troubleshooting Guide • Try resetting the AK-SC255 Keypad not responsive • If that fails to regain control of the keypad contact Danfoss Technical Support for further assistance. • Check to see that your Ethernet connection is a valid one. •... - Page 8 For Danfoss Technical Support call +1-410-931-8716. www.danfoss.us USCO.EI.RF0.D1.22 / 521U0152 ©Danfoss (USCO / MKS), 04- 2010...
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