Programming Guide

VAV-SVP01A-EN 83
Troubleshooting
WARNING
Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it may be necessary
to work with live electrical components. Have a qualified licensed electrician or other individual
who has been properly trained in handling live electrical components perform these tasks.
Failure to follow all electrical safety precautions when exposed to live electrical components
could result in death or serious injury.
Chapter Overview
This chapter contains information about the following:
Diagnosing the Problem
Diagnostic Log
Diagnostic Table
LED Operation
Troubleshooting Procedures
VV550 Failure Procedures
VV550 Communication Loss Procedures
Wired Zone Sensor Failure Procedures
Wired Zone Setpoint Failure Procedures
Wireless Zone Sensor Failure Procedures
Airflow Failure Procedures
Duct Temperature Sensor Failure Procedures
VAV Damper Failure Procedures
VAV Series Fan Failure Procedures
VAV Parallel Fan Failure Procedures
VAV Electric Heat Stage(s) Failure Procedures
VAV Proportional Hot Water Failure Procedures
Trane/Honeywell Proportional Valve Check Out Procedure
VAV Two Position Hot Water Failure Procedures
Diagnosing the Problem
Green Status LED will give you an indication if a diagnostic is present. If diagnostic is present, use
Rover Service tool or Tracer Summit to access VV550 diagnostics. See Table 16, p. 85 for
diagnostics. After diagnostics have been assessed, find correct procedures for troubleshooting
issue.
Note: VV550 binary outputs can be exercised by Rover Service tool. See status and programming
sections for detail