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Alarms 
P210, P220 =1 (Alarm) 
The second parameter for each relay determines the function of the alarm.  
P211, P221 - Relay Function 
This parameter defines what function the alarm will respond to as follows. 
Alarm is based on the level in the vessel, and the 
type of level alarm (P212, 222) and two setpoints 
must be set (P213, 223 & P214, 224). Setpoints are 
entered in Display Units as referenced to Empty 
Level.  
Alarm is based on the temperature, and the type of 
temperature alarm (P212, 222) and two setpoints 
must be set (P213, 223 & P214, 224). The 
temperature used depends on the temperature 
source selected (P852). Setpoints are entered in 
o
C. 
Alarm is raised if the Failsafe Timer (P809) 
expires. No setpoints are required.  
Alarm  is  raised  if  the  real-time  clock  fails.  No 
setpoints are required.  
 
Note that the loss of echo and loss of clock will also be shown on the display 
as “LOST ECHO” and “LOST CLOCK” respectively.