Siemens LME71.000A2 - 24 Error Code List with Operation Via External AZL2

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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 24 Error code list with operation via external AZL2... display 29.11.2011
24 Error code list with operation via
external AZL2... display

Note:
Display depends on program!
Error code Clear text Possible cause
bAC Er3
Fault of compatibility program module to basic
unit during backup process
Program sequence of program module does not
match the basic unit
Err PrC Fault of program module
- Error in data content of program module
- No program module fitted
Loc: 2
No establishment of flame at the end of safety
time
- 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 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
(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 leaking
Loc: 13 Valve proving Fuel valve 2 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 (P650) for a time
exceeding the tolerance time speed deviation
(P660)
Loc: 138 Restore process successful Restore process successful
Loc: 139 No program module detected No program module plugged in
Loc: 167 Manual locking Manual locking
Loc: 206 AZL2... incompatible Use the latest version
Loc: 225 PWM fan faulty - Fan speed dropped below the minimum prepurge