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69
questions
Tagged
115
views
no
answers
1
vote
2025-11-26 12:33:48 -0600
Aaron Boranian
Fluid Cooler / Refrigeration Condenser Loop Turns Off Mid-Year in EnergyPlus (with persistent “No Cooling Water Flow” warnings)
openstudio
energyplus
fluid-cooler
warning
condenser-loop
95
views
no
answers
1
vote
2025-05-26 17:57:30 -0600
Jamie Sullivan
AFN zone ventilation not reported during warmup?
energyplus
airflow-network
warmup
output-variable
118
views
no
answers
no
votes
2025-04-13 21:32:01 -0600
antonszilasi
Open Studio water heater direct query failing.
openstudio
water-heater
openstudio-application
dhw
energyplus
151
views
no
answers
2
votes
2025-01-13 10:48:23 -0600
MatteoMerli
E+ Fatal error with exterior shading control via EMS: Convergence error in SolveForWindowTemperatures (NO AFN)
energyplus
ems
convergence
external-shading
shading-control
270
views
no
answers
no
votes
2025-01-09 17:40:33 -0600
yanwang
initial water content changed
hamt
energyplus
moisture
warmup
158
views
no
answers
no
votes
2024-10-15 05:20:26 -0600
Denis Bourgeois
E+ : Accumulation Buffer Water Tank With No Fuel Heater Type
storage-tank
energyplus
water-heater-mixed
severe-error
84
views
no
answers
1
vote
2024-10-01 05:03:48 -0600
Tokarzewski
Avoid coldstart when RunPeriod starts on Saturday
energyplus
run-period
warmup
265
views
no
answers
no
votes
2024-08-28 13:32:07 -0600
Aaron Boranian
Severe error : UpdateZoneSizing: Cooling supply air temperature (calculated) within 2C of zone temperature
severe-error
openstudio
openstudio-application
188
views
no
answers
no
votes
2024-08-26 08:21:13 -0600
Aaron Boranian
ManageSizing: For a zone sizing run, there must be at least 1 Sizing:Zone input object. SimulationControl Zone Sizing option ignored.
openstudio
zone-sizing
thermal-zone
warning
design-day
413
views
no
answers
no
votes
2024-05-16 10:40:56 -0600
Burns
[FMPy, EnergyPlus] Exception: Failed to instantiate model
error
energyplus
fmpy
fmu
exception
216
views
no
answers
no
votes
2024-03-22 07:49:11 -0600
Nathalia
HVACTemplate:Zone:Fancoil
energyplus
hvac-template
fan-coil-unit
warmup
simulation-time
706
views
no
answers
1
vote
2024-01-29 09:17:57 -0600
Aaron Boranian
How to fix this error? vector too long
severe-error
vector
energyplus
photovoltaic
424
views
no
answers
1
vote
2024-01-08 07:21:45 -0600
Zakaria
Warnings When Modeling Walk-in Freezer Using Air-Chiller Object - Internal Temperature Fluctuations
refregeration
walk-in
freezer
energyplus
air-chiller
222
views
no
answers
no
votes
2023-12-28 09:45:21 -0600
Aaron Boranian
some severe errors in open studio
convergence
severe-error
openstudio-application
energyplus
window
149
views
no
answers
no
votes
2023-10-25 12:33:14 -0600
qqq000feel
EMS global variables are not initialized properly(E+ V23.1)
energyplus
ems
115
views
no
answers
no
votes
2023-08-31 21:54:36 -0600
Jamie Sullivan
EnergyPlus EMS sensors not read at first timestep of warmup?
energyplus
ems
ems-control
sensor
warmup
169
views
no
answers
no
votes
2023-05-29 16:22:43 -0600
Aaron Boranian
Problem implementing IDF-File from OpenStudio to EnergyPlus
energyplus
openstudio
export
severe-error
geometry
203
views
no
answers
no
votes
2023-05-02 08:56:53 -0600
rraustad
Do you understand this warning?: ** Warning ** HeatExchanger:AirToAir:SensibleAndLatent "HVAC-HE": Average air volume flow rate is <50% or >130% warning continues.
air-flow
energyplus
warning
heat-exchanger
flow-rate
84
views
no
answers
no
votes
2023-03-28 20:47:27 -0600
vitorleiteg
OS 3.5.1 - Central HPWH Error when running the baseline measure
openstudio
plant-equipment-operation
plant-loop
severe-error
openstudio-application
127
views
no
answers
2
votes
2023-03-17 09:10:54 -0600
Aaron Boranian
Warnings while simulating a walk-in freezer using Air-chiller object
energyplus
warning
refrigeration
heat-balance
air-chiller
131
views
no
answers
2
votes
2023-01-13 13:08:57 -0600
Zakaria
Walk-in Air-Chiller Warning
energyplus
air-chiller
walkin-freezer
warning
172
views
no
answers
no
votes
2022-12-20 09:18:14 -0600
Aaron Boranian
Simulating energyplus with the BCVTB interface
energyplus
openstudio
bcvtb
severe-error
system-sizing
316
views
no
answers
1
vote
2022-11-03 13:41:01 -0600
Aaron Boranian
Surface temperature out of bounds
data-center
surface-temperature
energyplus
warmup
error
155
views
no
answers
no
votes
2022-08-02 09:08:44 -0600
Aaron Boranian
Error modelling SwitchableGlazing
openstudio
shading-control
openstudio-application
dynamic-glazing
246
views
no
answers
no
votes
2022-08-02 09:06:41 -0600
Aaron Boranian
Eppy fails then running large amount of IDF files
eppy
python
batch-run
452
views
no
answers
no
votes
2022-07-20 13:48:03 -0600
ChrisC
CheckWarmUpConvergence Error
energyplus
warmup
severe-error
commercial-prototype-building
convergence
356
views
no
answers
1
vote
2022-06-14 12:00:35 -0600
mka
Cannot run simulation in BEopt 2.8 when modeling a 2-unit multi-family home with finished basement. "Convergence error in SolveForWindow Temperatures"
beopt
energyplus
window
temperature
convergence
849
views
no
answers
no
votes
2022-06-02 11:05:10 -0600
Summertime_244
Fatal error in Open Studio simulation
openstudio
energyplus
severe-error
construction
307
views
no
answers
no
votes
2022-05-20 16:09:56 -0600
Aaron Boranian
GetZoneEquipmentData error
energyplus
idf-file
openstudio
severe-error
254
views
no
answers
1
vote
2022-05-09 09:16:03 -0600
Aaron Boranian
EnergyPlus About Severe Temperature (high) out of bounds for
energyplus
sketchup
double-skin-facade
severe-error
surface
1
2
3
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