KMC Controls FlexStat BACnet Operation Manual page 2

Resetting the FlexStat ............................................ 26
Types of Reset .................................................... 26
Warm and Cold Starts ....................................... 26
Restore Factory ................................................. 27
Network Connection ............................................. 28
MS/TP Network Communication ...................... 28
IP/Ethernet Network Communication ............... 28
PC Data Port Connection .................................. 28
Maintenance ......................................................... 29
Programming (Custom) ......................................... 29
Accessories ........................................................... 29
Firmware Upgrade ................................................ 29
Troubleshooting .................................................... 30
Alarm Issues ...................................................... 30
Alarm, (False) Fan Fail .................................... 30
Alarm, (False) Low Limit (Freeze Stat) ............ 30
Alarm, (False) Space Temp. or Humidity ........ 30
Back-Up Issues .................................................. 30
Communication Issues ...................................... 30
Ethernet/IP Network Communication Issues .. 30
KMD-5576 (Data Port) Communication Issues 30
MS/TP Network Communication Issues ......... 31
Cover, Display, and Reset Issues ........................ 31
Cover Binds on Backplate .............................. 31
Display Is Blank (or Erratic) ........................... 32
Display Freezes (Buttons Have No Effect) ...... 32
Display Keeps Resetting ................................. 32
"SYSTEM ERROR" Is Displayed ...................... 32
Custom Programming and Web Issues ............... 33
Control Basic Programs Do Not Work ............ 33
Custom Web Graphics Do Not Work ............. 33
FlexStat
Input, Sensor, and Value Issues .......................... 33
CO Level Value Is Frozen or Is 0 ................... 33
2
CO and DCV Sequences Are Not Working .... 33
2
CO Level Is "Too High" ................................. 34
2
DCV Menu Is Not Visible ............................... 34
Input Values Are Outside the Expected Range 34
Humidification/Dehumidification Issues........ 34
Motion/Occupancy Sensor Does Not Work ... 34
Temperature Reading Is Incorrect .................. 34
Temperature Setpoint Is Not Maintained ....... 35
Time and/or Date Are Not Correct ................ 35
Output, Fan, and Relay Issues ........................... 36
Analog Output Does Not Work ...................... 36
Fan Does Not Run .......................................... 36
Relay (External) Does Not Work .................... 36
Relay (Internal) Does Not Work ..................... 37
Upgrading Firmware Issues ............................... 37
Firmware Upgrade Failures ............................ 37
FlexStat Malfunctions After Upgrade ............. 38
Wiring Issues ..................................................... 39
Installation Wiring Considerations ................. 39
Troubleshooting Wiring Problems .................. 39
Support ................................................................. 40
Important Notices ................................................. 40
Reference .............................................................. 41
Acronyms and Abbreviations ............................. 41
Definitions of Terms .......................................... 42
Index ..................................................................... 43
NOTE: Menus shown in this document reflect
firmware version R2.0.0.21 or later. Actual
context-sensitive screens are dependent
on firmware version, FlexStat model, and
options selected.
(Click for details.)
2 Operation Guide, Rev. Q