23
ERROR TYPE
(Warning,
Blocking,
Lockout)
DESCRIPTION
ERROR CODE
(OpenTherm)
TEMPERATURE SUPERVISIONS
B
Blocking due to flow overheat
30
B
Blocking due to return overheat
31
B
Blocking due to flue overheat
32
B
Flow & return reversed
33
B
Thermistor pipe fit supervision active (blocking)
34
L
Thermistor pipe fit supervision (lockout)
35
B
Flow gradient supervision
36
B
Flue gradient supervision (reserved)
37
B
Blocking delta temp flow/return
38
L
Lockout flow overheat
39
L
Lockout return overheat
40
L
Lockout flue overheat (flue thermistor)
Lockout thermal fuse (thermal fuse)
41
