Honeywell Thermostat: VisionPro IAQ
Re: Error Codes
The VisionPro IAQ is a 3-wire communicating thermostat.
| Error Codes: | ||
| 027 | Faulty thermostat | Replace thermostat |
| 035 | Duplicate thermostat zone detected | Check zone numbers in thermostat configuration |
| 036 | Duplicate UV timer | |
| 037 | Duplicate Filter timer | |
| 038 | Duplicate Humidifier Pad timer | |
| 039 | Duplicate Indoor Humidity Sensor | |
| 040 | Compressor Fault | Check fault input from equipment |
| 050 | Duplicate Outdoor Temperature Sensor | |
| 052 | Faulty Post-Coil Discharge Air Sensor | |
| 053 | Faulty Outdoor Temperature Sensor | |
| 054 | Faulty Indoor Humidity Sensor | |
| 089 | Heating/Cooling Equipment Missing | Not communicating with equipment or EIM |
| 090 | Data interface is continuously busy | |
| 091 | Thermostat is not receiving data | Communication problem |
| 118 | Faulty Discharge Air Sensor | |
| 119 | Faulty Temperature Sensor | |
| 121 | Duplicate Post-Coil Discharge Sensor | |