Johnson Controls TEC3612 User Manual

Table 9: Troubleshooting details
Symptom Probable causes Solutions
The TEC3000 zone temperature
does not change fast enough
compared to the measured zone
temperature from a verification
device, such as a calibrated
sensor.
The TEC3000 is configured by
default for larger spaces with
normal-sized equipment when a
proportional device is active.
Select Control Setup >Tuning > Equipment Size
> Oversized.
The zone space temperature
increases or decreases too
much when the unit is active in
unoccupied mode.
The heating and cooling
equipment are too big for the
unoccupied space.
Decrease the Unoccupied Off Delay parameter
from 10 minutes to a more appropriate time for
the equipment configuration.
The controller provides an error
when trying to back up settings.
The USB drive is defective. Try a different USB drive.
The USB drive is defective. Try a different USB drive.
The Restore file is corrupt. Try restoring a different backup file.
The controller provides an error
when trying to restore settings
from a backup.
The Restore file is from an
incompatible model TEC.
Ensure that the backup file being restored was
from the same model TEC.
The drive is formatted as NTFS
or another unsupported format.
The TEC supports file allocation
table (FAT) (for networked
models), FAT16 (for wireless
models), and FAT32 (for all
models) formats only.
Reformat the USB drive, or try a different USB
drive with a supported format.
The controller is unable to access
a USB drive.
The USB drive is defective. Try a different USB drive.
The I/O board that the display
board is currently attached to
does not match the one that
initially shipped with the display
board.
Attach the display board to the correct I/O
board.
The controller displays Board
Mismatch.
A hardware failure causes
the two boards to incorrectly
identify themselves.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
The controller displays
Controller Fault.
An internal fault was detected
and the controller was unable to
recover.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
The Bell icon is displayed on the
TEC home page.
The fault has been detected on
the TEC.
See Table 8 for TEC fault causes and resolution.
Partial Restore Complete is
displayed when trying to restore
settings from a backup file.
Not all of the items in the
backup file have been restored.
This error can occur when a
value is out of the minimum or
maximum range in the backup
file. It may also occur if there are
inconsistencies in the reliability
of a setting in the backup file
and on the TEC device.
1. Create a Backup file on a USB drive for the
TEC that is showing the issue.
2. Edit the backup file created in the previous
step on a PC to reflect the preferred
settings.
3. Verify that the modified values are within
minimum and maximum range in the
backup file.
4. Restore the settings from the newly edited
backup file on the TEC.
Cold air drafts enter the back of
the TEC.
Seal any holes behind the TEC to reduce drafts.The temperature displayed is
lower than the actual room
temperature.
Air is being forced through the
TEC from a nearby vent.
Move the location of the TEC or change the
venting to prevent air from being forced through
the TEC.
TEC3000 Series On/Off or Floating Fan Coil Thermostats Quick Start Guide26

Johnson Controls TEC3612 Specifications

General

Brand	Johnson Controls
Model	TEC3612
Category	Controller
Language	English