I'm working with the hospital prototype of DOE-2 in Phoenix climate. I'm having problem to identify the following error message. If someone can give me any feedback on that it would be a great help.
Thanks,
Sadia Haque
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/03 05:13 - 05:15
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/03 05:15 - 05:30
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/12 05:11 - 05:13
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/12 05:11 - 05:13
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/12 05:11 - 05:13
** Warning **
SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/23 22:00 - 22:15
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 01/30 03:00 - 03:15
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 02/23 05:30 - 05:45
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 02/23 05:30 - 05:45
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 02/23 05:30 - 05:45
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl
Ap AZ USA TMY3 WMO#=722780, 03/02 03:30 - 03:45
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 03/02 05:00 - 05:15
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 03/02 05:00 - 05:15
** Warning ** SolveAirLoopControllers: Maximum iterations (50) exceeded for VAV_2, at Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780, 03/02 05:00 - 05:15
** Warning ** WriteVeriSumTable: InputVerificationsAndResultsSummary: Wall area based on [>=60,<=120] degrees (tilt) as walls
** ~~~ ** differs ~11.6% from user entered Wall class surfaces. Degree calculation based on ASHRAE 90.1 wall definitions.
** ~~~ ** Calculated based on
degrees=[5786.591] m2, Calculated from user entered Wall class surfaces=[5184.431] m2.
** ~~~ ** Check classes of surfaces and tilts for discrepancies.
************* Simulation Error Summary *************
************* There are 1 unused schedules in input.
************* Use Output:Diagnostics,DisplayUnusedSchedules; to see them.
*************
************* ===== Recurring Error Summary =====
************* The following recurring error messages occurred.
*************
************* ** Warning ** SolveAirLoopControllers: Exceeding Maximum iterations for VAV_2 during Phoenix Sky Harbor Intl Ap AZ USA TMY3 WMO#=722780 continues
************* ** ~~~ ** This error occurred 29 total times;
*************
** ~~~ ** during Warmup 0 times;
************* ** ~~~ ** during Sizing 0 times.
*************
*************
************* ===== Final Error Summary =====
************* The following error categories occurred. Consider correcting or noting.
************* Nominally Unused Constructions
************* ..The nominally unused constructions warning is provided to alert you to potential conditions that can cause
************* ..extra time during simulation. Each construction is calculated by the algorithm indicated in the HeatBalanceAlgorithm
************* ..object. You may remove the constructions indicated (when you use the DisplayExtraWarnings option).
*************
************* EnergyPlus Warmup Error
Summary. During Warmup: 0 Warning; 0 Severe Errors.
************* EnergyPlus Sizing Error Summary. During Sizing: 18 Warning; 0 Severe Errors.
************* EnergyPlus Completed Successfully-- 62 Warning; 0 Severe Errors; Elapsed Time=00hr 08min 12.00sec