Product Overview

LIT-12013113
5
NS8000 Series
NS Sensors with fault code capability error codes
The fault indication comes through the network sensor bus when a network sensor is used in the zone. The display indicates the
code number for all the required state of California Title 24 economizer fault conditions. See the following table for fault error codes.
Display text California Title 24 economizer fault
condition
Possible problem
E0 Air temperature sensor failure/fault Problem with one of the air temperature sensors. Check
outdoor air, return air, or supply air sensors.
E1 Not economizing when it should The economizer is not using outdoor air when it should.
E2 Economizing when it should not The economizer is allowing outdoor air inside when the
conditions are not suitable for economizer operation.
E3 Damper not modulating The economizer damper is not able to modulate properly.
Check damper, linkage to actuator, or the actuator.
E4 Excess outdoor air The economizer is allowing excess outdoor air inside.
Product code Display and interface information Johnson Controls logo Color
NSB8BPN240-0 Fixed segment display Yes White
NSB8BPN241-0 No White
NSB8BPN242-0 Yes Black
NSB8BPN243-0 No Black
Table 6: NS Series Network Sensor ordering information: temperature and humidity models (2% RH)
Table 7: Fault code capability error codes
Product code Johnson Controls logo Color
NSB8BNC040-0 Yes White
NSB8BNC041-0 No White
NSB8BNC042-0 Yes Black
NSB8BNC043-0 No Black
Table 5: NS Series Network Sensor ordering information: CO
2
only models without display