Climate Talk Fault Code | Transmitted message | Dealer error code | Possible causes | Corrective actions | Unit Type | Alarm Status | Consumer error message | Thermostat Communication Alarm | Thermostat Internal Hardware Alarm | Alarm Category | Pressure Alarms | Sensor Alarms | Safety Alarms | System Communication Alarms | System Alarms | Fan Failure Alarms | ||||||||||||||||||||||||
00 | EEV OPEN CKT | Not used yet | Thermostat | |||||||||||||||||||||||||||||||||||||
01 | Not used yet | Thermostat | ||||||||||||||||||||||||||||||||||||||
02 | Thermostat internal communication error | ClimateTalk coprocessor was not anle to start. | •Conduct
a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) •Replace thermostat if needed |
Thermostat | Critical | Internal hardware error | 2 | |||||||||||||||||||||||||||||||||
03 | Thermostat internal communication error | ClimateTalk coprocessor did not respond to commands. | •Conduct
a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) •Replace thermostat if needed |
Thermostat | Critical | Communication error | 3 | |||||||||||||||||||||||||||||||||
04 | Thermostat software upgrade error | ClimateTalk firmware was not able to upgrade. | •Conduct
a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) •Replace thermostat if needed |
Thermostat | Critical | Communication error | 4 | |||||||||||||||||||||||||||||||||
05 | Thermostat internal communication error | ClimateTalk communication errors. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) |
Thermostat | minor | Communication error | 5 | |||||||||||||||||||||||||||||||||
06 | Piezo speaker hardware error | Piezo driver could not start due to hardware error. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) |
Thermostat | minor | Internal hardware error | 6 | |||||||||||||||||||||||||||||||||
07 | LED hardware error | LED driver could not start due to hardware issue. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) |
Thermostat | minor | Internal hardware error | 7 | |||||||||||||||||||||||||||||||||
08 | Thermostat software upgrade error | OTA download signature is wrong, reverting back to previous firmware. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) |
Thermostat | minor | Communication error | 8 | |||||||||||||||||||||||||||||||||
09 | Thermostat software upgrade error | OTA upgrade failed. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) |
Thermostat | minor | Communication error | 9 | |||||||||||||||||||||||||||||||||
0A | Proximity sensor hardware error | Proximity sensor driver could not start due to hardware issue. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) |
Thermostat | minor | Internal hardware error | 10 | |||||||||||||||||||||||||||||||||
0B | Temperature/Humidity sensor hardware error | Temp/Hum sensor driver could not start due to hardware issue. | •Conduct
a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option1) •Replace thermostat if needed |
Thermostat | Critical | Internal hardware error | 11 | |||||||||||||||||||||||||||||||||
0C | Temperature/Humidity sensor hardware error | Temperature sensor failed during operation. | •Conduct
a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) •Replace thermostat if needed |
Thermostat | Critical | Internal hardware error | 12 | |||||||||||||||||||||||||||||||||
0D | Temperature/Humidity sensor hardware error | Humidity sensor failed during operation. | •Conduct
a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option 1) •Replace thermostat if needed |
Thermostat | Critical | Internal hardware error | 13 | |||||||||||||||||||||||||||||||||
0E | Wi-Fi hardware error | WIFI driver could not start due to hardware issue. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option1) |
Thermostat | minor | Internal hardware error | 14 | |||||||||||||||||||||||||||||||||
0F | Wi-Fi hardware error | WIFI driver communication issue. | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option1) |
Thermostat | minor | Communication error | 15 | |||||||||||||||||||||||||||||||||
1E | Heat Pump communication loss | •data1
and data2 could be reversed •loss of power to the unit. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for any blown fuses or tripped breakers. •Check for loose terminations, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN_option 1) |
Thermostat | Critical | Communication error | 1E | |||||||||||||||||||||||||||||||||
1F | Air Conditioner communication loss | •data1
and data2 could be reversed •loss of power to the unit. •Loose, cut, shorted, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for any blown fuses or tripped breakers. •Check for loose terminations, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN_option 1) |
Thermostat | Critical | Communication error | 1F | |||||||||||||||||||||||||||||||||
20 | EEV Coil communication loss | •data1
and data2 could be reversed •loss of power to the unit. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for any blown fuses or tripped breakers. •Check for loose terminations, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN_option 1) |
Thermostat | Critical | Communication error | 20 | |||||||||||||||||||||||||||||||||
21 | Air Handler communication loss | •data1
and data2 could be reversed •loss of power to the unit. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for any blown fuses or tripped breakers. •Check for loose terminations, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN_option 1) |
Thermostat | Critical | Communication error | 21 | |||||||||||||||||||||||||||||||||
22 | Furnace communication loss | •data1
and data2 could be reversed •loss of power to the unit. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for any blown fuses or tripped breakers. •Check for loose terminations, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN_option 1) |
Thermostat | Critical | Communication error | 22 | |||||||||||||||||||||||||||||||||
51 | No ClimateTalk equipment discovered on network | •data1
and data2 could be reversed •loss of power to the unit. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for any blown fuses or tripped breakers. •Check for loose terminations, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN_option 1) |
Thermostat | Critical | Communication error | 51 | |||||||||||||||||||||||||||||||||