Johnson Controls TEC3310 Installation Instructions Manual page 43

Table 11: Fault List (Part 2 of 3)
Faults
Dehum Unavailable
Service
Dirty Filter
Calibration Corrupt
Changeover Fail
Zone Temp Unreliable
Open Window
Fan Lock
Humidity Unreliable
Controller Fault
TEC3000 Series On/Off or Floating Fan Coil and Individual Zone Thermostat Controllers with Dehumidification
Probable Causes
Dehumidification is unavailable
because the zone humidity sensor has
failed or the humidity reading is not
reliable.
Equipment connected to the BI
configured for a Service alarm is
triggering the alarm.
Equipment connected to the BI
configured for a Dirty Filter alarm is
triggering the alarm.
Factory calibration data is lost or is not
installed.
The Supply Temperature Sensor is not
installed, has failed, or has been
disconnected and the TEC can no
longer detect changeover mode to cool
or heat.
All sources of zone temperature are
unreliable, including the onboard
sensor.
The switch connected to the BI
configured for Open Window is sensing
that the window is opened, and control
has shut down.
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.
The zone humidity reading was reliable
and has now failed.
The controller has detected an internal
fault that it cannot recover.
An unknown error has prevented the
controller from turning on.
Capability Installation Instructions
Solutions
1. If the source of zone humidity was a BAS,
check the BAS to ensure that it is still online
and is providing the TEC with the humidity
reading. If removal of the BAS mapping was
intentional, reset the sensors through the
menu.
2. If the problem persists, order replacement
units and return the affected devices to
Johnson Controls under the RMA program.
Service the equipment by way of the
manufacturer's recommendation.
Replace the filter in the equipment as explained in
the manufacturer's instructions.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
Follow the same steps as Supply Temp Fail
alarm.
Order replacement units and return the affected
devices to Johnson Controls under the RMA
program.
1. Close the window to resume control.
2. Check sensor functionality with an ohmmeter,
and verify the wiring to the TEC.
3. Order replacement units and return the
affected devices to Johnson Controls under
the RMA program.
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.
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.
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.
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