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Smart Infrastructure
Basic Documentation LME7...
CC1P7105en
15 Operation via internal LED
24.07.2020
Phase number
AZL2 display
LED
Function
Waiting phases (start prevention / safety shutdown phases)
P01
Red / yellow flashing
Undervoltage
P02
Yellow
Safety loop open
Safety shutdown, followed by a non-alterable lockout with interlocking
P04
Red / green flashing
Extraneous light on burner startup (timeout / locking after 30 seconds)
P90
Yellow
Pressure switch-min open
Safety shutdown, followed by a non-alterable lockout with interlocking
Non-alterable lockout
LOC
Red
Lockout phase