70
TROUBLESHOOTING
R
E
-W
RITING
S
HARED
D
ATA
T
O
O
UTDOOR
U
NIT
U
SING
M
EMORY
C
ARD
Check Trouble
shoo�n
g codes to determ
in
e the
n
eed to
fl
ash shared data to outdoor
unit.
Follow the procedure
on
the
n
ext page to
fl
ash
shared
data.
ClimateTalk
Fault Code
Control Board
LED Display
Transmitted Climate
Talk Message *1
s
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it
c
A
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it
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o
C
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a
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o
r
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tl
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a
F
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m
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T
53
-
PCB OR FAN MIN
This error indicates the equipment is
experiencing frequent outdoor control
board and/or motor faults. Control has
determined continued operation is
acceptable. This indicates they may
be a problem with the
equipment.
• Obstruction in fan rotation
• Outdoor fan motor not connected properly
• Outdoor fan not running
• Faulty control board
• Noise
• Check and clean grille of any debris
• Check wiring from Outdoor fan motor to
control board; Repair if needed
• Check outdoor fan motor & wiring;
Repair/replace if needed
• Replace control board if necessary
54
-
EEV MINOR
This error indicates the equipment is
experiencing frequent low discharge
superheat faults.
Control has determined continued
operation is acceptable. This indicates
they may be a problem with the
equipment.
• Thermistors inoperable or improperly
connected
• Faulty indoor EEV or TXV or indoor EEV
coil
• Faulty control board
• DV**PEC air handler is connected with an
incompatible model
• Check the connection to thermistors;
Repair/replace if needed
• Check indoor EEV or TXV; Replace if
needed
• Check indoor coil; Replace if needed
• Replace control board if necessary
• Replace indoor unit with TXV applicable
indoor unit
55
-
HI DIS TEMP MIN
This error indicates the equipment is
experiencing frequent high discharge
temperature faults. Control has
determined continued operation is
acceptable. This indicates they may
be a problem with the equipment.
• Discharge thermistor inoperable or
improperly connected
• Discharge thermistor is put on incorrect
position or off
• Low refrigerant charge
• Overcharge
• Faulty compressor
• Check discharge thermistor resistance and
connections; Repair/replace as needed
• Check discharge thermistor position
• Check refrigerant charge level; Adjust if
needed
• Check refrigerant charge level; Adjust if
needed
• Check the compressor; Repair/replace if
needed
B0
Eb0
NO ID AIRFLOW
The estimated airflow from indoor
subsystem is near to 0 CFM.
• Failed indoor blower motor
• Indoor fan motor not properly connected
• Too much static pressure
• Check ID fan motor wiring and connectors;
Repair/replace if needed
• Check ID fan motor; Replace if needed
B9
Eb9
LOW ID AIRFLOW
Estimated airflow from motor is lower
than the airflow requirement.
• Failed indoor blower motor
• Indoor fan motor not properly connected
• Too much static pressure
• Check ID fan motor wiring and connectors;
Repair/replace if needed
• Check ID fan motor; Replace if needed
D0
Ed0
NO NET DATA
Control board does not have the
necessary data for it to properly
perform its functions.
• Outdoor unit is wired as part of a
communicating system and integrated
control module does not contain any shared
data.
• Replace control board if necessary
• Re-Write shared data using memory card
D1
Ed1
INVALID DATA
Control board does not the appropriate
data needed to properly perform its
functions.
• Outdoor unit is wired as part of a
communicating system and integrated
control module contains invalid shared data
or network data is invalid for the integrated
control module.
• Replace control board if necessary
• Re-Write shared data using memory card
D2
Ed2
INVALID SYSTEM
The airflow requirement is greater than
the airflow capability of the indoor
subsystem.
• Air conditioner/heat pump is wired as part
of a communicating system and outdoor unit
requires airflow greater than indoor unit's
airflow capability
• Shared data is incompatible the system or
missing parameters
• Communication wiring has loose
connection.
• Verify shared data is correct for your specific
model; Repopulate data if required
• Check communication wiring. Repair as
needed.
D3
Ed3
INVALID CONFIG
There is a mismatch between the
shared data and the control physical
hardware
• Shared data sent to integrated control
module does not match hardware
configuration
• Verify shared data is correct for your specific
model; Repopulate data if required
D4
Ed4
INVALID MC DATA
The memory card data has been
rejected
• Shared data on memory card has been
rejected.
• Verify shared data is correct for your specific
model; Repopulate data if required
11
E11
RUN SYS TEST
This test is required at startup.
Installer should navigate to the
thermostat menu to run SYSTEM
START -UP TEST. This code will clear
once testing is complete.
• Incomplete SYSTEM TEST
• SYSTEM TEST is running
Run the SYSTEM START -UP TEST.
(See the " SYSTEM START -UP TEST")
(*1) This message is displayed when using the CTK04 thermostat.
Items below are messages only displayed on the thermostat screen.
OUTDOOR UNIT ERROR CODES
