16
W20, E20 Maximum temperature switch has triggered
Function:
indicates that the maximum temperature switch has triggered.
Procedure:
if the maximum temperature switch has triggered the whole
system is blocked and error E20A is displayed.
Behaviour on activation:
No Warning
Error
Display
-
E20: Temp.Fuse
LED display:
-
Red
Fault-Remote:
-
Error Relay
Error-History:
-
-
System:
-
Unit blocked
Time delay:
-
-
Reset:
-
automatic reset
W21, E21 Max. level and no current
Function:
indicates that the maximum level sensor has triggered.
Procedure:
if the water level reaches the maximum level sensor the warning
message W21 is triggered. The maximum level sensor features a software
related switch-off delay of 10 seconds.
If during steam production the warning message W21 is active for more
than 30 minutes and simultaneously the current is below 1.5 % the unit
goes on Error E21.
Behaviour on activation:
Warning
Error
Display
W21A(B): Cyl.Max.Level
E21A(B): Cyl.Max & NoCurr
LED display:
-
Red lights
Fault-Remote:
-
Error Relay
Error-History:
-
E21A(B)
System:
No refilling on the unit
Unit blocked
Time delay:
-
30 minutes
Reset:
automatic reset
Unit Off/On
