Siemens LME72.000A2 - 26 Error code list with operation via internal LED

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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 26 Error code list with operation via internal LED 29.11.2011
26 Error code list with operation via
internal LED
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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 the
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 is welded in no-load position
Loc 4 Extraneous light Extraneous light when burner startup
Loc 5
Air pressure faulty, air pressure switch
welded in working position
Time out air pressure switch
- Air pressure switch 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 leak
Loc 13 Valve proving Fuel valve 2 leak
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 Faulty PWM fan
- 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 identified
Loc 167 Manual locking Manual locking
Loc: 206 AZL2... incompatible Use the latest version