Thank you for the replies.
I further corrected my model and I no longer get this error, but I am interested in finding why this came up the first place. The error file includes the following:
Program Version,EnergyPlus 3.1.0.027, 08/09/2009 11:17,IDD_Version 3.1.0.027
** Warning ** Site:GroundTemperature:BuildingSurface: Some values fall outside the range of 15-25C.
** ~~~ ** These values may be inappropriate. Please consult the Input Output Reference for more details.
** Warning ** Weather file location will be used rather than entered Location object.
** ~~~ ** ..Location object=CARDIFF WALES - UK
** ~~~ ** ..Weather File Location=SAN_FRANCISCO CA USA TMY2-23234 WMO#=724940
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:1178, in Zone=G_CIRC3
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:1788, in Zone=G_G_30
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:1837, in Zone=G_G_27
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:1926, in Zone=G_G_21
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:2198, in Zone=G_TOILETS2
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:2376, in Zone=G_CIRC5
** Severe ** BuildingSurface:Detailed="OBJ:12087", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12088", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12089", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12090", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12091", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12092", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12093", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12094", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:12168, in Zone=LG_FOYER_ATRIUM2
** Severe ** BuildingSurface:Detailed="OBJ:12197", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12198", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12199", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12200", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12201", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12202", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12203", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Severe ** BuildingSurface:Detailed="OBJ:12204", invalid Construction Name="FF_ATRIUM_WINDOW" - has Window materials.
** ~~~ ** ...because Surface Type=WALL
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:12296, in Zone=LG_DR_DENTIST_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:12311, in Zone=LG_DR_DENTIST_1_
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:12506, in Zone=LG_L_1
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:12537, in Zone=LG_L_1
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:12766, in Zone=LG_CIRC_3
** Severe ** BuildingSurface:Detailed="OBJ:12876", invalid Surface Type="WINDOW
** Severe ** BuildingSurface:Detailed="OBJ:12876", invalid Construction Name="FF_EXTERNAL_WINDOWS" - has Window materials.
** ~~~ ** ...because Surface Type=WINDOW
** Severe ** BuildingSurface:Detailed="OBJ:12892", invalid Surface Type="WINDOW
** Severe ** BuildingSurface:Detailed="OBJ:12892", invalid Construction Name="FF_EXTERNAL_WINDOWS" - has Window materials.
** ~~~ ** ...because Surface Type=WINDOW
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:13028, in Zone=LG_L_13
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:13186, in Zone=LG_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13327, in Zone=LG_L_2
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13403, in Zone=BS_DISPOSABLES_1_
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:13424, in Zone=BS_PRODUCTIONKITCHEN_1_
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:13528, in Zone=BS_GYMNASIUM_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13641, in Zone=BS_HVROOM_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13782, in Zone=BS_RESTAURANT_2_
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:13841, in Zone=BS_LIFT9
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13843, in Zone=BS_LIFT9
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13868, in Zone=BS_SPRINKLERPUMPROOM_1_
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:13888, in Zone=BS_CONTROLROOM_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:13920, in Zone=BS_GENERATORROOM_1_
** Warning ** Floor Tilt=0.0, much less than expected tilt of 180, for Surface=OBJ:14301, in Zone=BS_TANKROOM_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:14308, in Zone=BS_TANKROOM_1_
** Warning ** Roof/Ceiling Tilt=180.0, much greater than expected tilt of 0, for Surface=OBJ:14312, in Zone=BS_TANKROOM_1_
** Severe ** Reordered # of Surfaces (3707) not = Total # of Surfaces (3709)
** Warning ** Remaining surface checks will use "reordered number of surfaces", not number of original surfaces
** Severe ** GetSurfaceData: Potential "OtherZoneSurface" is not matched correctly:
** ~~~ ** Surface=OBJ:1117, Zone=G_KITCHEN_1_
** ~~~ ** Nonmatched Other/InterZone Surface=OBJ:2230, Zone=G_SERVICES2
** Warning ** GetSurfaceData: Interzone surfaces cannot be "SunExposed" -- removing SunExposed
** ~~~ ** Surface=OBJ:1117, Zone=G_KITCHEN_1_
** ~~~ ** Surface=OBJ:2230, Zone=G_SERVICES2
** Warning ** GetSurfaceData: Interzone surfaces cannot be "WindExposed" -- removing WindExposed
** ~~~ ** Surface=OBJ:1117, Zone=G_KITCHEN_1_
** ~~~ ** Surface=OBJ:2230, Zone=G_SERVICES2
** ~~~ ** ... number of sides must be >= 3, this surface # sides=0
** ~~~ ** ... number of sides must be >= 3, this surface # sides=0
** Warning ** CalcSurfaceCentroid: 587 Surfaces have the Z coordinate < 0.
** ~~~ ** ...in any calculations, Wind Speed will be 0.0 for these surfaces.
** ~~~ ** ...in any calculations, Outside temperatures will be the outside temperature + 9.750E-003 for these surfaces.
** ~~~ ** ...that is, these surfaces will have conditions as though at ground level.
** Fatal ** Fatal error discovered in GetSurfaceData, see previous messages
...Summary of Errors that led to program termination:
..... Reference severe error count=22
..... Last severe error=GetSurfaceData: Potential "OtherZoneSurface" is not matched correctly:
************* Fatal error -- final processing. More error messages may appear.
************* Testing Individual Branch Integrity
************* All Branches passed integrity testing
************* Testing Individual Supply Air Path Integrity
************* All Supply Air Paths passed integrity testing
************* Testing Individual Return Air Path Integrity
************* All Return Air Paths passed integrity testing
************* No node connection errors were found.
*************
************* ===== Final Error Summary =====
************* The following error categories occurred. Consider correcting or noting.
************* Incorrect Floor Tilt
************* ..Floors are usually flat and "tilted" 180 degrees. If you get this error message,
************* ..it's likely that you need to reverse the vertices of your floor. You can turn on
************* ..the report: Report,Surface,Details; to inspect your surfaces.
*************
************* EnergyPlus Terminated--Fatal Error Detected. 34 Warning; 22 Severe Errors; Elapsed Time=00hr 00min 37.88sec
-------------------end of copied information------------
I am not interested in getting help for the rest warnings/errors. Thank you again for the replies
Regards
Eleni
------------------------------------
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