Fault Code Recovery - Trane L8X1B060U3XSAA Installer's Manual

L L E E D D S S t t a a t t u u s s C C o o d d e e s s
LED Activity Description
ID Plug Failure
2 Flashes
Control Fuse Open
3 Flashes
Standby
Normal Operation
Steady ON
No Thermostat
Requests
Rapid Flash Clear Error History
Call for Heating
1 Flash
Call for Cooling
2 Flashes
Continuous Fan
3 Flashes
Operation
(a) Power cycle resets any lockout

Fault Code Recovery

Fault Code Recovery
1. To view the last 5 faults, momentarily press the SW1 button.
2. The last 5 faults will begin flashing on the STATUS LED.
Clearing the Last 5 Faults
1. To clear the last 5 faults, locate SW1 button.
2. Hold the SW1 button until STATUS LED starts blinking GREEN.
3. Release and the GREEN LED will momentarily blink. This confirms
the faults have been cleared.
42
Lockout Period
Color
Short duration (30
seconds) heating mode
AMBER lockout followed by a reset
to determine if the ID Plug
is now valid
Operation continues after
AMBER
fault correction
GREEN N/A
N/A
GREEN
N/A
GREEN
N/A
GREEN
N/A
GREEN
Inducer Control
Pin #1 = Inducer control
Pin #2 = Inducer PWM
Pin #3 = Inducer RPM
(a)
Wrong ID Plug values for the specific board. Includes
damaged ID plug, ID plug missing, etc. Heating mode
operation is in lockout but Call for Cooling ("Y") and
Continuous Fan ("G") requests will still be honored.
The 3 Amp fuse is on the 24 VAC supply to the control.
No current Call for Heat ("W"), Call for Cooling ("Y"),
or Continuous Fan ("G") input.
Press and hold the SW1 button for more than 5
seconds results in the display of this mode. Releasing
the Button during this indication will cause the Error
History to be cleared. The button must be released
within 5 seconds after the LED begins this flash
sequence.
"W" or "W & G" or "W & Y" or "W & Y & G"
"Y" or "Y & G"
"G" only
IFC Component Layout
Neutral
Connections
power (20VDC)
Control
3 NEUT NEUT
Feedback 2 LINE LINE
1
Inducer/Ignitor
Connector
Not Used
SW1
SW1 Button
Cool Delay
ID Plug Connector
Heat Delay
Status LED
Comments
Fan
Heat
Cool
Common
Park
Park
3 1
12 Pin Connector
12 10
Low Voltage
Terminal Strip
18-CE07D1-1C-EN