SERVICING
73
• Air conditioner/heat
pump fails to operate
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
BLANK d 3 • Conguration
Mismatch
• Shared data
sent to integrated
control module
does not match
hardware
conguration
• Verify
system type
(communicating or
legacy)
• Verify shared
data is correct
for your specic
model; re-populate
data if required
• Wire system as
legacy system
• Turn power OFF prior to
repair
• Use Bluetooth
®
Shared
Data Loader BTSDL01
• Insert Bluetooth
®
Shared Data Loader
BTSDL01 BEFORE
turning power ON.
Bluetooth
®
Shared Data
Loader BTSDL01 may
be removed after data
is loaded. Turn power
OFF before removing
Bluetooth
®
Shared Data
Loader BTSDL01
• Air conditioner/heat
pump fails to operate
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
BLANK d 4 • Invalid Shared
Data
• Shared data on
Bluetooth
®
Shared
Data Loader
BTSDL01 has
been rejected
• Verify
system type
(communicating or
legacy)
• Verify shared
data is correct
for your specic
model; re-populate
data if required
• Wire system as
legacy system
• Turn power OFF prior to
repair
• Use Bluetooth
®
Shared
Data Loader BTSDL01 for
your specic model
• Insert Bluetooth
®
Shared Data Loader
BTSDL01 BEFORE
turning power ON.
Bluetooth
®
Shared Data
Loader BTSDL01 may
be removed after data
is loaded. Turn power
OFF before removing
Bluetooth
®
Shared Data
Loader BTSDL01
• Error code will be
cleared once data is
loaded.
• Very long run time
• Four consecutive
compressor protector
trips with average run
time between trips
greater than 3 hours
• Compressor operating
at high spped and
outdoor fan operating at
low speed
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
BLANK 0 1 • Low Side Fault • Low refrigerant
charge
• Restriction in
liquid line
• Indoor blower
motor failure
• Indoor
thermostat set
extremely low
• Verify refrigerant
charge; adjust as
needed
• Check for
restricted liquid
line; repair/replace
as needed
• Check indoor
blower motor;
repair/replace as
needed
• Check indoor
thermostat setting
• Turn power OFF prior to
repair
• Fault will clear after 30
consecutive normal cycles
• Fault may be cleared by
cycling 24VAC to control
• Replace with correct
replacement part(s)
• Compressor and
outdoor fan are o
• Thermostat demand is
present
• Integrated control
module diagnostic/
status LED display
shows the indicated
code
BLANK 0 1 • Low Pressure
Cut Out Trip
• Low refrigerant
charge
• Restriction in
liquid line
• Indoor blower
motor failure
• Indoor
thermostat set
extremely low
• Verify refrigerant
charge; adjust as
needed
• Check for
restricted liquid
line; repair/replace
as needed
• Check indoor
blower motor;
repair/replace as
needed
• Check low
pressure switch;
repair/replace as
needed
• Check indoor
thermostat setting
• Turn power OFF prior to
repair
• Replace with correct
replacement part(s)