Error Code List With Operation Via External Azl2 Display - Siemens LME7 Series Manual

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Error code Clear text
No establishment of flame at the end of safety
time
Loc: 2
Air pressure faulty (air pressure switch welded
Loc: 3 in no-load position, decrease to specified time
(air pressure switch response time)
Loc: 4 Extraneous light
Air pressure faulty, air pressure switch welded
Loc: 5
in working position
Loc: 6 Fault of actuator
Loss of flame
Loc: 7
Loc: 8 ---
Loc: 9 ---
Error not relatable (application), internal error
Loc: 10
Loc: 12 Valve proving
Loc: 13 Valve proving
Loc: 14 POC error
Loc: 20 Gas pressure switch-min open
Loc: 22 Safety loop open
Loc: 60 Analog power source 4...20 mA, I <4 mA
Loc: 83 PWM fan faulty
Loc: 138 Restore process successful
Loc: 139 No program module detected
Loc: 167 Manual locking
Loc: 206 AZL2 incompatible
Building Technologies
14 Error code list with operation via
external AZL2 display
Note:
Display depends on program module, see User Documentations!
Basic Documentation LME7...

14 Error code list with operation via external AZL2 display

Possible cause
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
Air pressure switch faulty
- Loss of air pressure signal after specified time
- Air pressure switch has welded in no-load position
Extraneous light during burner startup
Timeout air pressure switch
- Air pressure switch has welded in working position
- Actuator faulty or blocked
- Faulty connection
- Wrong adjustment
Too many losses of flame during operation
(limitation of repetitions)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
Free
Free
Wiring error or internal error, output contacts, other
faults
Fuel valve 1 leaking
Fuel valve 2 leaking
Error valve closure control POC
Gas shortage
- Gas pressure switch-max open
- Safety limit thermostat cut out
Wire breakage
- PWM fan does not reach the target speed within
the preset period of time, or
- After reaching the target speed, the PWM fan
leaves the tolerance band again (parameter 650)
for a time exceeding the tolerance time speed
deviation (parameter 660)
Restore process successful
No program module plugged in
Manual locking
Use the latest version
85/106
CC1P7105en
17.04.2018