SERVICING
61
DIAGNOSTIC CODES
(no display) Internal Control Fault / No Power
On Standby, Waiting for Inputs
Ed Heater Kit Dip Switches Not Set Properly
Eb No Heater 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 Heat Pump 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
FC Fan Cool
FH Fan Heat
FFan Only
H1 Electric Heat Low
H2 Electric Heat High
dF Defrost
7 SEGMENT LED
(characters will
alternate)
DESCRIPTION OF CONDITION
Green CFM LED - Each Flash Represents 100CFM
(Use for airflow approximation only) - Example: 8 Flashes = 800CFM
0140A00079-A
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