Johnson Controls TEC3000 Series User Manual

TEC3000 Series Networked and Wireless Proportional Fan Coil and Individual Zone Thermostat Controllers with
Dehumidification Capability Quick Start Guide
27
Fan Lock The switch connected to the BI
configured for Fan Lock did not sense
airflow within 10 seconds of starting the
fan, and control has been shut down.
1. Inspect equipment to ensure fan functions.
2. Check sensor functionality with an ohmmeter,
and verify wiring to the TEC.
3. Reset fault by entering the menu, selecting
Fault Status, and selecting the Fan Lock.
4. Order replacement units and return the
affected devices to Johnson Controls under
the RMA program.
Humidity Unreliable The zone humidity reading was reliable
and has now failed.
1. If the source of zone humidity was the
onboard sensor, contact Johnson Controls
product sales and support.
2. If the source of zone humidity was a BAS,
check the BAS to ensure that it is still online
and providing the TEC with the humidity
reading. If removal of the BAS mapping was
intentional, reset sensors through the menu.
Controller Fault The controller has detected an internal
fault that it cannot recover.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
An unknown error has prevented the
controller from turning on.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
Touchscreen Unavailable The touchscreen components have
failed to initialize.
1. Reboot the controller.
2. If problems persist, order replacement units
and return the affected devices to Johnson
Controls under the RMA program.
Board Mismatch The baseboard and CPU board are
paired incorrectly. An error message
appears on the TEC indicating the
model number of the baseboard and
CPU board.
Match the baseboard to its corresponding CPU
board.
Firmware Mismatch The previous upgrade has not
completed.
1. Upgrade the TEC3000 to the latest released
version.
2. Upgrade the TEC3000 to the current version
again.
The previous downgrade has not
completed because the previous
version is no longer supported.
Reboot the TEC3000 to clear the fault.
USB Malfunction A USB drive has malfunctioned and
drawn more than the maximum allowed
current.
1. Attempt to insert and use the USB drive
again.
2. Try a new USB drive.
3. If problems persist, order replacement units
and return the affected devices to Johnson
Controls under the RMA program.
Supply Fan Runtime Limit
Extended
The Supply Fan Runtime has exceeded
the configured Supply Fan Runtime
Limit.
1. Service the Supply Fan.
2. Reset the Supply Fan runtime.
Heating Ineffective The Supply Air Temperature has not
increased above the configured Supply
Air Temperature Alarm Offset while
heating has been active for at least the
Supply Air Temperature Alarm Delay.
Verify that the heating elements on the rooftop
are functioning properly.
Table 7: Fault list (Part 2 of 3)
Faults Probable causes Solutions

Johnson Controls TEC3000 Series Specifications

General

Brand	Johnson Controls
Model	TEC3000 Series
Category	Thermostat
Language	English