J&D MAnufacturing JD-N2, Manual

JD-N2

USER’S GUIDE 

JD-N2 

Section C-24 

Parameter Description 

Room Temperature  

This setting displays the actual room temperature. 

Alarm Code 

Al

CODE

This setting displays the alarm condition. This parameter displays 

no   

(None) when no errors have been detected. This indicates that the 
controller has operated properly since it was powered up or since the 

Alarm 

Code 

was last cleared. The last alarm condition will be displayed until the 

Alarm Code

 is cleared. To clear the 

Alarm Code

, press and hold the  +  

and  –  buttons until 

  Clr

 (CLr) appears on the LED display. This will 

reset the 

Alarm Code

 to 

no   

 (None) if no alarm condition is present. 

The ALARM LED on the faceplate will be lit up if an alarm condition is 
actually active. The alarm code refers to the following table. 

Alarm Code List: 

Alarm Code 

Description 

1 

Sensor has reached Low Alarm Set Point 

2 

Sensor has reached High Alarm Set Point 

3 

Sensor is defective or unplugged 

101 

The controller has reset 10 times and each reset was less 

than 15 minutes apart from the last one. 

102 

If this error code appears, contact your distributor 

103 

If this error code appears, contact your distributor 

Target Temperature  

This is the temperature goal for the room and the reference temperature for 
all relative settings. 

On/Idle Time 

Curtain On Time 

On    

This parameter is used to set the run time of the curtain timer. The curtain 
will move for this amount of time and then wait for 

Curtain Idle Time

. This 

cycle will be repeated until the curtain receives a continuous opening or 
closing demand. This parameter is adjusted in 1-second increments from 1 
to 900 seconds. 

Curtain Idle Time

Idle

This parameter is used to set the idle time of the curtain timer. After the 
curtain has moved, it will wait for this amount of time before moving once 
again. This parameter is adjusted in 1-second increments from 1 to 900 
seconds.