Configuring Unit Size Codes - Lennox SLP98DFV Installation Instructions Manual

Integrated Control Diagnostic Codes
Code Diagnostic Codes/Status of Equipment
LSOM - Outdoor unit system pressure trip.
E402
E403 LSOM - Compressor short-cycling (Running less than
4 minutes).
E404 LSOM - Compressor rotor locked.
E405 LSOM - Compressor open circuit.
E406 LSOM - Compressor open start circuit.
LSOM - Compressor open run circuit.
E407
E408 LSOM - Compressor contactor is welded.
E409 LSOM - Compressor contactor is welded.

Configuring Unit Size Codes

To enter
Mode: push and hold
button
7-segment LED display
until solid dash symbol
appears.
button.
If
furnace
display
alarm is not present solid
dash starts blinking on
7-segment LED display.
Push and hold button until the solid P
symbol is displayed on the 7-segment
LED. Release button. This mode allows
the user to select a unit size code number
that matches the furnace model size and
capacity.
IMPORTANT: Field replacement controls may
need to be manually configured to validate
furnace unit size code.
Push and hold button. Integrated control will
display unit size code number for each
furnace model for five seconds.
Power-Up - Number displayed represents by integrated control unit size code (furnace model
and capacity). If three horizontal bars are displayed followed by continuous E203, furnace
control does not recognize unit size code. Configure per the following:
Yes
Field Test
next to
Release
alarm is present,
control will
_
error code. If
Solid P starts
P
blinking on
7-Segment LED
Compressor ran over 18 hours in air conditioning mode.
Outdoor unit pressure trip. Check dirty coil, fan motor,
refrigerant charge.
Compressor short cycling (Running less than 4 minutes).
Check capacitor, wiring, hard start kit , replace
Compressor.
Check compressor for hot (cool down) , check pressures,
fan motor etc. Replace compressor if unable to get circuit
to close and compressor to operate.
Replace contactor.
Furnace control in IDLE mode
No heating, cooling or indoor fan
operation)
_
P
Verify that the selected unit size code is correct
and stored in non-volatile memory by cycling
the 24 volt power to the furnace control. (At 24
volt power-up of the furnace control, the
7-segment LED will display a unit size code. If
three horizontal bars display, board does not
recognize
function must be repeated)
Page 60
Action Required to Clear and Recover
No
Turn room thermostat to OFF
UNIT SIZE
CODE FURNACE MODEL
H
SLP98DFXV-070-36B
J
SLP98DFXV-090-36C
L
SLP98DFXV-090-48C
n
SLP98DFXV-090-60C
o SLP98DFXV-110-60C
When the correct unit size code is displayed,
release button. Selected code will flash for
10-second period. During that period, hold push
button until code stops blinking (disappear for 2
seconds). Integrated control will store code in
memory and will automatically exit Field Test Mode
and reset. (If second period expires or push button
is held less than five seconds, control will
automatically exit Field Test Mode and go into
IDLE mode without storing unit size code. If this
happens, programming function must be repeated).
unit size code. Programming
FINISHED
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