Error Code List With Operation Via External Azl2 Display - Siemens LME71 Series Basic Documentation

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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 ---
Non-volatile lockout with alarm output switched
Loc: 10
on at terminal X2-03 pin 3 (fault lamp ON)
Non-volatile lockout with alarm output switched
Loc: 10
off at terminal X2-03 pin 3 (fault lamp OFF)
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 PME7 detected
Loc: 167 Manual locking
Loc: 206 AZL2 incompatible
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14 Error code list with operation via
external AZL2 display
Note
Display depending on the PME7, refer to User Documentation A7105.x.
Basic Documentation LME7...

14 Error code list with operation via external AZL2 display

Possible cause
- Faulty or soiled fuel valves
- Defective, soiled or incorrectly connected 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 (restart
limitation)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
Free
Free
Wiring error or internal error, other errors
Output contact error (welded contact of an output
relay)
Fuel valve V1 leaking
Fuel valve V2 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 PME7 plugged in
Manual locking
Use the latest version
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CC1P7105en
24.07.2020