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Trane Symbio 210 - User Manual

Trane Symbio 210
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Symbio® 210 Programmable
Variable-Air-Volume (VAV) Box
Controller
June 2021
BAS-SVX084A-EN
Installation, Operation, and Maintenance
SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-
conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment
by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and
on the tags, stickers, and labels that are attached to the equipment.

Table of Contents

Questions and Answers

  • O
    Olivia ReillyAug 6, 2025
    How to troubleshoot Symbio 210 Controller failure by Trane?
    • A
      Amy MckeeAug 6, 2025
      To troubleshoot a failed Trane Symbio 210 controller, begin by checking for the correct supply voltage. Ensure the Symbio 210 is properly grounded, either through one leg of the transformer or with a jumper to ground. Check the Marquee LED: a solid green light indicates normal operation, while a solid red light suggests low power or a malfunction. If the LED is red, measure the power input to the controller on the XFMR 24 Vac input. If there's no voltage, trace upstream to find where the voltage is interrupted. Check for shorts by removing all wires except the incoming power. Use the Tracer TU service tool to check if the controller is operating properly and for alarms or diagnostics. If the controller continues to fail, consider replacing it.

Trane Symbio 210 Specifications

General IconGeneral
ModelSymbio 210
TypeController
DisplayLCD
ConnectivityWi-Fi, Ethernet
Communication ProtocolBACnet, Modbus
Supply Voltage24V AC
Operating Temperature32°F to 122°F (0°C to 50°C)
CompatibilityTrane HVAC systems
FeaturesRemote monitoring, Scheduling

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