performance

Guide to functional performance testing for HVAC systems covering test procedure development, common FPT tests for AHUs, VAVs, and plant equipment, and documentation requirements per ASHRAE Guidelines 0 and 1.1.

Instructions for allocating more RAM to a Niagara 4 supervisor station. Explains how to modify Java Virtual Machine memory settings for improved performance.

VM (45) error - number of kits uploaded exceeds 256 kB memory limit.

High CPU usage leads to performance issues and station instability.

Supervisor crashes with OutOfMemoryError and Engine Watchdog Timeout Stack Dump.

How to increase Java heap memory allocation on Windows Supervisor station.

SNC network engine overheating causes FAULT LED and erratic behavior.

Station killed by daemon due to low system memory despite available RAM.

SNE shows consistently high CPU usage and sluggish response

Metasys UI is slow to load, server is sluggish, CPU stays above 70%. Trends and graphics take 10+ seconds.

Station suddenly stops responding, displays "Watchdog Timeout" in logs, and may reboot or freeze.