Watlow PM LEGACY™ Limit Controller  •  35  •  Chapter 3 Keys and Displays
Responding to a Displayed Message
An active message will cause the display to toggle between the normal settings and the active message in the 
upper display and attn in the green display.
Your response will depend on the message and the controller settings. Some messages, such as Ramping and 
Tuning, indicate that a process is underway. If the message was generated by a latched alarm and the condi-
tion no longer exists or if an alarm has silencing enabled it can be silenced simply by pushing the Reset key . 
Alternatively, use the method below to view all and then clear.
Push the Advance Key to display ignr in the red display and the message source (such as AL.hi) in the lower 
display. Use the Up or Down keys             to scroll through possible responses, such as Clear CLr or Silence 
SiL, then push the Advance or Reset key to execute the action. See the Home Page for further information on 
the Attention Codes.
Display
Parameter Name
Description
Range Appears If
attn
Attention
An active message will cause the display 
to toggle between the normal settings and 
the active message in the upper display 
and attn in the green display. Your re-
sponse will depend on the message and 
the controller settings. Some messages, 
such as Ramping and Tuning, indicate that 
a process is underway. If the message was 
generated by a latched alarm, the mes-
sage can be cleared when the condition 
no longer exists. If an alarm has silencing 
enabled, it can be silenced.
1.  Push the Advance Key to display 
ig-
nr
 in the red display and the message 
source (such as AL.h1) in the lower dis-
play.
2.  Use the Up or Down keys   
to scroll through possible responses, 
such as Clear 
CLr
 or Silence
 Si L
. 
3. Press the Advance
 
Key or Reset 
T
 but-
ton to execute the action.
Alternatively, rather than scrolling through 
all messages simply push the Reset 
T
 but-
ton to generate a clear.  
AL.L1 AL.L2 AL.L3 AL.L4 
Alarm Low 1 to 4
AL.h1 AL.h2 AL.h3 AL.h4 
Alarm High 1 to 4
AL.E1 AL.E2 AL.E3 AL.E4 
Alarm Error 1 to 4
Er.i1
 Error Input 1
Li.L1
 Limit Low 1
Li.h1
 Limit High 1
Li.E1 Limit Error 1
vaL.h Value to high to be dis-
played in 4 digit LED display 
>9999
vaL.L Value to low to be dis-
played in 4 digit LED display 
<-1999
An alarm or error 
message is active.