| Climate Talk Fault Code | Transmitted message | Dealer error message | Possible causes | Corrective actions | Unit Type | Alarm Status | Consumer error message | |||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||||||
| 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-DAIKIN1(option 1) |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||||||
| 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-DAIKIN1(option 1) |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||||||
| 10 | Thermostat reboot | •Loss
of power to system. •Thermostat software update(OTA). •Manual reboot of thermostat. |
•No action needed. | Thermostat | minor | Communication error | ||||||||||||||||||||||||||||
| 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-DAIKIN1(option 1) |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||||||
| 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-DAIKIN1(option 1) |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||||||
| 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-DAIKIN1(option 1) |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||||||
| 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-DAIKIN1(option 1) |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||||||