Johnson Controls TEC3310 Installation Instructions Manual page 44

Table 11: Fault List (Part 3 of 3)
Faults
Touchscreen Unavailable
Board Mismatch
Firmware Mismatch
USB Malfunction
Supply Fan Runtime Limit
Extended
Heating Ineffective
Cooling Ineffective
Supply Fan Fault
Zone Temperature Too Cold
Zone Temperature Too Hot
TEC3000 Series On/Off or Floating Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Probable Causes
The touchscreen components have
failed to initialize.
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.
The previous upgrade has not
completed.
The previous downgrade has not
completed because the previous
version is no longer supported.
A USB drive has malfunctioned and
drawn more than the maximum allowed
current.
The Supply Fan Runtime has exceeded
the configured Supply Fan Runtime
Limit.
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.
The Supply Air Temperature has not
decreased below the configured Supply
Air Temperature Alarm Offset while
cooling has been active for at least the
Supply Air Temperature Alarm Delay.
The Supply Fan Status configured for
either BI1 or BI2 has not proved within
the configured Fan Alarm Delay.
The Zone Temperature has decreased
below the configured Zone Temp Low
Limit.
The Zone Temperature has increased
above the configured Zone Temp High
Limit.
Capability Installation Instructions
Solutions
1. Reboot the controller.
2. If problems persist, order replacement units
and return the affected devices to Johnson
Controls under the RMA program.
Match the baseboard to its corresponding CPU
board. See Repair Information for information on
ensuring that you have the CPU board and base
board paired correctly.
1. Upgrade the TEC3000 to the latest released
version.
2. Upgrade the TEC3000 to the current version
again.
Reboot the TEC3000 to clear the fault.
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.
1. Service the Supply Fan.
2. Reset the Supply Fan runtime.
Verify that the heating elements on the rooftop
are functioning properly.
Verify that the cooling elements on the rooftop are
functioning properly.
1. Verify that the Supply Fan is operating when
turned on.
2. Verify that the Supply Fan Status wiring is
connected correctly.
Verify that the TEC and the RTU heating are
enabled and functioning.
Verify that the TEC and the RTU cooling are
enabled and functioning.
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