KMC Controls FlexStat Operation Manual page 2

Accessories ........................................................... 19
Troubleshooting .................................................... 20
Alarm Issues ...................................................... 20
Alarm, (False) Fan Fail .................................... 20
Alarm, (False) Low Limit (Freeze Stat) ............ 20
Alarm, (False) Space Temp. or Humidity ........ 20
Communication Issues ...................................... 20
KMD-5576 Communication Issues ................. 20
MS/TP Network Communication Issues ......... 20
Cover, Display, and Reset Issues ........................ 21
Cover Binds on Backplate .............................. 21
Display Is Blank (or Erratic) ........................... 21
Display Freezes (Buttons Have No Effect) ...... 21
Display Keeps Resetting ................................. 21
Custom Programming and Web Issues ............... 22
Control Basic Programs Do Not Work ............ 22
Custom Web Graphics Do Not Work ............. 22
Input, Sensor, and Value Issues .......................... 22
Input Values Are Outside the Expected Range 22
Motion/Occupancy Sensor Does Not Work ... 22
FlexStat
Temperature Reading Is Incorrect .................. 23
Temperature Setpoint Is Not Maintained ....... 23
Output, Fan, and Relay Issues ........................... 23
Analog Output Does Not Work ...................... 23
Fan Does Not Run .......................................... 24
Relay (External) Does Not Work .................... 24
Relay (Internal) Does Not Work ..................... 24
Upgrading Firmware Issues ............................... 25
Firmware Upgrade Failures ............................ 25
FlexStat Malfunctions After Upgrade ............. 25
Wiring Issues ..................................................... 26
Installation Wiring Considerations ................. 26
Troubleshooting Wiring Problems .................. 26
Support ................................................................. 27
Important Notices ................................................. 27
Reference .............................................................. 28
Acronyms and Abbreviations ............................. 28
Definitions of Terms .......................................... 29
Index ..................................................................... 30
2 Operation Guide, Rev. K