Siemens LME71 Series

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Smart Infrastructure Basic Documentation LME7... CC1P7105en
14 Error code list with operation via external AZL2 display 24.07.2020
14 Error code list with operation via
external AZL2 display

Note
Display depending on the PME7, refer to User Documentation A7105.x.
Error code Clear text Possible cause
Loc: 2
No establishment of flame at the end of safety
time
- Faulty or soiled fuel valves
- Defective, soiled or incorrectly connected flame
detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
Loc: 3
Air pressure faulty (air pressure switch welded
in no-load position, decrease to specified time
(air pressure switch response time)
Air pressure switch faulty
- Loss of air pressure signal after specified time
- Air pressure switch has welded in no-load position
Loc: 4 Extraneous light Extraneous light during burner startup
Loc: 5
Air pressure faulty, air pressure switch welded
in working position
Timeout air pressure switch
- Air pressure switch has 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 (restart
limitation)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
Loc: 8 --- Free
Loc: 9 --- Free
Loc: 10
Non-volatile lockout with alarm output switched
on at terminal X2-03 pin 3 (fault lamp ON)
Wiring error or internal error, other errors
Loc: 10
Non-volatile lockout with alarm output switched
off at terminal X2-03 pin 3 (fault lamp OFF)
Output contact error (welded contact of an output
relay)
Loc: 12 Valve proving Fuel valve V1 leaking
Loc: 13 Valve proving Fuel valve V2 leaking
Loc: 14 POC error Error valve closure control POC
Loc: 20 Gas pressure switch-min open Gas shortage
Loc: 22 Safety loop open
- Gas pressure switch-max open
- Safety limit thermostat cut out
Loc: 60 Analog power source 4...20 mA, I <4 mA Wire breakage
Loc: 83 PWM fan faulty
- 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)
Loc: 138 Restore process successful Restore process successful
Loc: 139 No PME7 detected No PME7 plugged in
Loc: 167 Manual locking Manual locking
Loc: 206 AZL2 incompatible Use the latest version