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251
questions
Tagged
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
291
views
no
answers
no
votes
2017-11-15 14:57:07 -0600
VickyZhou
Air Source Heat Pump Coil Frost/Freeze
air-to-water-heat-pump
openstudio
energyplus
warning
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
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
67
views
no
answers
no
votes
2024-03-12 08:03:54 -0600
Yagnik
FindRootSimpleController [closed]
energyplus
severe-error
openstudio
airloophvac
446
views
1
answer
no
votes
2024-08-04 16:00:21 -0600
Jamie Sullivan
How to set cooling setpoint below heating setpoint
energyplus
dual-thermostat
deadband
severe-error
232
views
1
answer
no
votes
2022-08-30 09:03:38 -0600
rraustad
PsyRhoAirFnPbTdbW: RhoAir (Density of Air) is calculated <= 0
severe-error
openstudio-application
energyplus
psychrometric
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
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
981
views
2
answers
no
votes
2023-04-26 14:46:05 -0600
rraustad
Inconsistent crash without error log
energyplus
crash
application-error
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
322
views
no
answers
no
votes
2020-10-27 02:52:36 -0600
Ard.epw
Please tell me How to fix Run Simulation Failed.
openstudio
error
surface
1k
views
no
answers
no
votes
2020-10-27 17:02:42 -0600
Aaron Boranian
Missing required property 'construction_name'.
openstudio
floorspace.js
severe-error
construction
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
365
views
1
answer
no
votes
2020-02-17 16:12:06 -0600
mdahlhausen
failed simulation
openstudio
energyplus
material
error
226
views
no
answers
no
votes
2016-12-02 05:43:44 -0600
Hasan
What is Error of EP for my model?
energyplus
171
views
no
answers
no
votes
2020-10-12 05:22:53 -0600
S190100145
intermittent pump with plant temperature too hot
energyplus
plant-temperature
287
views
no
answers
no
votes
2020-12-27 09:04:53 -0600
mohamed fawey
error simulation
designbuilder
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
284
views
1
answer
no
votes
2022-09-14 01:17:27 -0600
Masoud
Missing required property 'zone_supply_air_node_name'
openstudio
openstudio-sdk
severe-error
zone-hvac
nodes
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
512
views
1
answer
no
votes
2025-02-23 08:46:55 -0600
RANJIT KAUR
Simulation failed to run, with exit code 1, please help , i have been getting this error.
energyplus
severe-error
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
69
views
no
answers
no
votes
2024-06-02 07:04:48 -0600
Behnam
How to solve HVACTemplate Termination in eppy? [closed]
hvactemplate
termination
in
eppy
306
views
1
answer
no
votes
2024-06-06 13:53:24 -0600
shorowit
How to solve HVACTemplate:Zone:IdealLoadsAirSystem in eppy?
eppy
energyplus
severe-error
hvac-template
expand-objects
351
views
1
answer
no
votes
2021-10-14 08:25:30 -0600
Aaron Boranian
i don't know how to fixed this?
energyplus
severe-error
hvac-template
boiler
vrf
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
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
185
views
1
answer
no
votes
2024-11-08 05:28:37 -0600
PmP
Thermal storage attached to a PTHP using heat exchanger problem
energyplus
pthp
thermal-storage
heat-exchanger
chilled-water-loop
121
views
1
answer
no
votes
2025-11-10 13:47:17 -0600
Denis Bourgeois
Need help fixing an input format error
severe-error
idf
energyplus
surface
geometry
1
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