31
0140A00079-A
7 SEGMENT LED
(characters will
alternate)
DESCRIPTION OF CONDITION
(no display)
INTERNAL CONTROL FAULT / NO POWER
On
STANDBY, WAITING FOR INPUTS
Ed
HEATER KIT DIP SWITCHES NOT SET PROPERLY
Eb
NO HTR KIT INSTALLED - SYSTEM CALLING FOR AUXILIARY HEAT
E5
FUSE OPEN
EF
AUXILIARY SWITCH OPEN
d0
DATA NOT ON NETWORK
d1
INVALID DATA ON NETWORK
d4
INVALID MEMORY CARD DATA
b0
BLOWER MOTOR NOT RUNNING
b1
BLOWER MOTOR COMMUNICATION ERROR
b2
BLOWER MOTOR HP MISMATCH
b3
BLOWER MOTOR OPERATING IN POWER, TEMP., OR SPEED LIMIT
b4
BLOWER MOTOR CURRENT TRIP OR LOST ROTOR
b5
BLOWER MOTOR ROTOR LOCKED
b6
OVER/UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP
b7
INCOMPLETE PARAMETER SENT TO MOTOR
b9
LOW INDOOR AIRFLOW
C1
LOW STAGE COOL - LEGACY MODE ONLY
C2
HIGH STAGE COOL - LEGACY MODE ONLY
P1
LOW STAGE HEAT PUMP HEAT - LEGACY MODE ONLY
P2
HIGH STAGE HEAT PUMP HEAT - LEGACY MODE ONLY
h1
EMERGENCY HEAT LOW - COMMUNICATING MODE ONLY
h2
EMERGENCY HEAT HIGH - COMMUNICATING MODE ONLY
FC
FAN COOL - COMMUNICATING MODE ONLY
FH
FAN HEAT - COMMUNICATING MODE ONLY
F
FAN ONLY
H1
ELECTRIC HEAT LOW
H2
ELECTRIC HEAT HIGH
dF
DEFROST - COMMUNICATING MODE ONLY
(note: defrost is displayed as H1 in a legacy setup)
GREEN CFM LED - EACH FLASH REPRESENTS 100CFM (USE FOR AIRFLOW
APPROXIMATION ONLY) - EXAMPLE: 8 FLASHES = 800CFM
26 Diagnostic Codes
