Low Leak Economizer - (Lle); Troubleshooting; Resetting Cooling And Heating; Lockouts - Trane Foundation GBC036-060 Installation, Operation And Maintenance Manual

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a. LED will be flashing to indicate that a Safety Input
has opened while a Y call is present.
b. Compressor lockout is indicated by a solid
(nonflashing) red LED.
To reset LSD - Power cycle on 'R' input.
Simultaneous Heat and Cool Failure
Emergency Stop is activated.
Low Leak Economizer – (LLE)

Troubleshooting

1. The economizer controller provides alarm messages
that display on the 2-line LCD. If one or more alarms
are present and there has been no keypad activity for
at least 5 minutes, the Alarms menu displays and
cycles through the active alarms.
Note: Note: You can also navigate to the Alarms menu
at any time.
2. Once the alarm has been identified and the cause has
been removed (for example, replaced faulty sensor),
the alarm can be cleared from the display.
Note: If an alarm still exists after you clear it, it re-
displays within 5 seconds.
To Clear an Alarm
Once the alarm has been identified and the cause has
been removed (for example, replaced faulty sensor), the
alarm can be cleared from the display.
1. Navigate to the desired alarm.
2. Press
.
3.
"ERASE?" is displayed.
Table 12. FDD troubleshooting
TESTS
Damper Stuck Open
Damper Stuck at Minimum
Bad or Unplugged Actuator
Sensor Hard Failure
Actuator Mechanically
Disconnected

Resetting Cooling and Heating

Lockouts

Cooling Failures and Heating Lockouts are reset in an
identical manner.
Method 1 section explains resetting the system from the
space; Method 2 section explains resetting the system at
the unit.
RT-SVX058G-EN
Air temp. sensor
Not economizing
failure / fault
when it should
x
4. Press
.
5.
"ALARM ERASED" is displayed.
6. Press
(Menu Up) to complete the action and return
to the previous menu.
Note: If an alarm still exists after you clear it, it re-
displays within 5 seconds.
Low Leak Economizer Fault Codes
Low Leak Economizer Alarms:
CO
Sensor Error
2
SYS Alarm
Actuator Undervoltage
Actuator Overvoltage
Actuator Stalled
The FDD system shall detect the following faults:
Air temperature sensor failure/fault
Not economizing when it should
Economizing when it should not
Damper not modulating
Excess outdoor air
The JADE controller is a certified FDD product (HJW10) by
California Title 24, Part 6. The FDD system is required for
meeting California Energy Commission's Title 24
regulations.
Table 12, p. 33
can be performed (rows) and the five faults that are defined
by FDD (columns). The 'x' means that the test has to be
conducted to see if it is causing the fault to occur.
FAULTS
Economizing when it
should not
x
x
x
x
x
x
x
x
Note: Before resetting Cooling Failures and Heating
Lockouts check the Failure Status Diagnostics by
the methods previously explained. Diagnostics will
be lost when the power to the unit is disconnected.

Method 1

To reset the system from the space, turn the "Mode"
selection switch at the thermostat to the "Off" position. After
Troubleshooting
shows the various tests that
Damper not
Excess outdoor
modulating
air
x
x
x
x
x
x
x
33

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