NS8000 Sensors with fault code capability error codes - Johnson Controls - LIT-12013113 - NS8000 - Network sensor - NS8000 Series

Vertical Wallbox-Mounted or Surface-Mounted NS8000 Series Network Sensors Product Bulletin
Product name
NS8000 Series
Document type
Product Bulletin
Document number
LIT-12013113
Revision date
2024-07-26
The fault indication comes through the network sensor bus when you use a network sensor in the zone. The LCD indicates the code number for all the required state of California Title 24 economizer fault conditions.
Table 1. Fault code capability error codes
Display text California Title 24 economizer fault condition Possible problem
E00 Air temperature sensor failure/fault Problem with one of the air temperature sensors. Check outdoor air, return air, or supply air sensors.
E01 Not economizing when it should The economizer does not use outdoor air when it should.
E02 Economizing when it should not The economizer is allowing outdoor air inside when the conditions are not suitable for economizer operation.
E03 Damper not modulating The economizer damper is not able to modulate properly. Check damper, linkage to actuator, or the actuator.
E04 Excess outdoor air The economizer is allowing excess outdoor air inside.