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