15
Error code list with operation via internal AZL :
Error code
Clear text
Possible cause
Loc 2
No establishment of flame at the
end of the safety time (TSA)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
Loc
3
Air pressure faulty (air pressure
switch (LP) welded in no-load
position, decrease to spe-cified time
(t10) (air pressure switch (LP) re-
sponse time)
Air pressure switch (LP) faulty
- Loss of air pressure signal after specified time (t10)
- Air pressure switch (LP) is welded in no-load
position
Loc 4
Extraneous light
Extraneous light when burner startup
Loc
5
Air pressure faulty, air pressure
switch wel-ded in working position
Time out air pressure switch (LP)
- Air pressure switch (LP) is welded in working
position
Loc 6
Fault of actuator
- Actuator faulty or blocked
- Faulty connection
- Wrong adjustment
Loc 7
Loss of flame
Too many losses of flame during operation (limitation
of repetitions)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
Loc 8
---
Free
Loc 9
---
Free
Loc
10
Error not relatable (application),
internal error
Wiring error or internal error, output contacts, other
faults
Loc 12
Valve proving
Fuel valve 1 (V1) leak
Loc 13
Valve proving
Fuel valve 2 (V2) leak
Loc 22
Safety loop open
- Gas pressure switch-max open
- Safety limit thermostat cut out
Loc 138
Restore process successful
Restore process successful
Loc 167
Manual locking
Manual locking
Loc: 206
AZL2... incompatible
Use the latest version
