REFRIGERATION &
AIR-CONDITIONING
MAKING MODERN LIVING POSSIBLE
AK-SC255
Troubleshooting Guide
Page 1: ...REFRIGERATION AIR CONDITIONING MAKING MODERN LIVING POSSIBLE AK SC255 Troubleshooting Guide Troubleshooting Guide...
Page 2: ...h the AK_SC255 4 Will not scan scanning issues 4 I O network failure 4 License error 5 Lost license 5 Screen Display Issues 5 World map doesn t disappear 5 Won t power up 6 Receiving error message s 6...
Page 3: ...th screw terminals Fig 1 or plug in connections Fig 2 Check that to see that the CPU card Fig 3 is firmly in place If found to be unevenly seated press firmly on its corners until it no longer moves F...
Page 4: ...h Danfoss Technical Support for other options before replacing the suspect module Will not scan Scanning Issues Check that all Comm Modules and associated I O are powered on and are addressed as confi...
Page 5: ...Most likely after performing the checks at the top of page 2 issues with a white screen or a flickering screen will have been resolved If the flickering re occurs note if the red black twisted pair wh...
Page 6: ...ia the keypad via the AKA65 If you can still not access history contact Danfoss Technical Support for further options Clock doesn t work Insure that the battery jumper at JP5 on the base board see Fig...
Page 7: ...t setting this feature up you may need to reset the unit for the new setting to take effect If none of these things has helped call Danfoss Technical Support for further assistance Web Browser Issues...
Page 8: ...USCO EI RF0 D1 22 521U0152 Danfoss USCO MKS 04 2010 For Danfoss Technical Support call 1 410 931 8716 www danfoss us...
