| Climate Talk Fault Code | Dealer error message | Possible causes | Corrective actions | Unit Type | Alarm Status | Consumer error message | ||||||||||||||||||||||||
| 00 | 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 | ||||||||||||||||||||||||
| 10 | Thermostat reboot | •Loss
of power to system. •Thermostat software update(OTA). •Manual reboot of thermostat. |
•No action needed. | Thermostat | minor | Communication error | ||||||||||||||||||||||||
| 12 | One Net hardware error | One Net radio failure during operation | •Check
for proper 24 VAC powering thermostat. •Conduct a warm start of the thermostat. •Call Daikin support at 1-855-DAIKIN1(option1) |
Thermostat | minor | Sensor error | ||||||||||||||||||||||||
| 13 | Wireless temp/hum sensor [name] battery critically low | Low
battery level in RHT sensor |
Replace RHT sensor battery | Thermostat | Critical | Sensor error | ||||||||||||||||||||||||
| 14 | Wireless temp/hum sensor [name] offline for 15 minutes | •Low
battery level in RHT sensor •RHT sensor is too far from the thermostat or has interference in between. |
•Replace
RHT sensor battery •Move RHT sensor to a new location closer to the thermostat or with less interference in between. |
Thermostat | Minor | Sensor error | ||||||||||||||||||||||||
| 15 | Wireless temp/hum sensor [name] offline for 1 hour | •Low
battery level in RHT sensor •RHT sensor is too far from the thermostat or has interference in between. |
•Replace
RHT sensor battery •Move RHT sensor to a new location closer to the thermostat or with less interference in between. |
Thermostat | Critical | Sensor 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 | ||||||||||||||||||||||||
| 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 | ||||||||||||||||||||||||
| 25 | Zone board communication loss | •data1
and data2 could be reversed •loss of power to the zone board. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||
| 31 | Additional zone thermostat 1 disconnected--[ZoneInt1deviceName, ZoneInt1deviceNameCustom] | •data1
and data2 could be reversed •loss of power to the thermostat. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||
| 32 | Additional zone thermostat 2 disconnected--[ZoneInt2deviceName, ZoneInt2deviceNameCustom] | •data1
and data2 could be reversed •loss of power to the thermostat. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||
| 33 | Additional zone thermostat 3 disconnected--[ZoneInt3deviceName, ZoneInt3deviceNameCustom] | •data1
and data2 could be reversed •loss of power to the thermostat. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||
| 34 | Additional zone thermostat 4 disconnected--[ZoneInt4deviceName, ZoneInt4deviceNameCustom] | •data1
and data2 could be reversed •loss of power to the thermostat. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | minor or Critical | Communication error | ||||||||||||||||||||||||
| 35 | Additional zone thermostat 5 disconnected--[ZoneInt5deviceName, ZoneInt5deviceNameCustom] | •data1
and data2 could be reversed •loss of power to the thermostat. •Loose, cut, or broken wire. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | minor or Critical | Communication error | ||||||||||||||||||||||||
| 36 | No primary thermostat detected | •No
Primary Zone thermostat has been selected •loss of power to the Primary Zone thermostat. •Loose, cut, or broken wire to Primary Zone thermostat. |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | minor or 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 | ||||||||||||||||||||||||
| 77 | Thermostat communication loss during startup & operation. | •Incorrect
wiring between indoor unit and thermostat. •Thermostat failure. •Power interruption (low voltage). |
•Check
polarity of Data1 and Data2. •Check for loose, shorted or broken wires. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||
| 88 | primary thermostat address assignment error | Primary
zone thermostat did not get priority address 0x01 due to: - thermostats swapped - thermostat roles changed |
•Restart
system. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||
| 89 | additional thermostat address assignment error | Additional
Zone Thermostat got priority address 0x01 due to: - thermostats swapped - thermostat roles changed |
•Restart
system. •Call Daikin support at 1-855-DAIKIN |
Thermostat | Critical | Communication error | ||||||||||||||||||||||||