Johnson Controls TEC3023-14-000 Installation Manual page 37

Table 17: Troubleshooting details
Symptom
The controller is unable to access
a USB drive.
The controller displays Board
Mismatch.
The controller displays
Controller Fault.
The Bell icon displays on the TEC
home page.
Partial Restore Complete is
displayed when trying to restore
settings from a backup file.
The temperature displayed is
lower than the actual room
temperature.
For networked models, the
Online icon does not appear for a
networked controller.
For wireless models, Supervisory
Status = Offline
Some icons are hidden.
Probable causes
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.
The USB drive is defective.
The I/O board that the display
board is currently attached to
does not match the one that
initially shipped with the display
board.
A hardware failure causes
the two boards to incorrectly
identify themselves.
An internal fault was detected
and the controller was unable to
recover.
The fault has been detected on
the TEC.
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.
Cold air drafts enter the back of
the TEC.
Air is being forced through the
TEC from a nearby vent.
There is incorrect field bus
wiring.
The supervisory controller is
not communicating with the
TEC. The TEC is not mapped to
a JCI Supervisory System. The
WNC or WRG Gateway is not
communicating with the TEC.
Lockout levels are used or the
icons are hidden due to the
display settings.
TEC3000 Series Proportional Fan Coil Thermostats Installation Guide
Solutions
Reformat the USB drive, or try a different USB
drive with a supported format.
Try a different USB drive.
Attach the display board to the correct I/O
board.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
See Table 16 for TEC fault causes and resolution.
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.
Seal any holes behind the TEC to reduce drafts.
Move the location of the TEC or change the
venting to prevent air from being forced through
the TEC.
Refer to the MS/TP Communications Bus Technical
Bulletin (LIT-12011034).
1. Map the TEC into a JCI Supervisory system.
2. Verify that the PAN's WNC or WRG Gateway
is online.
3. Add ZFR182x or ZFR183x Routers/Repeaters
into the wireless system.
See Table 7 for lockout levels and access details.
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