Error Code List With Operation Via External Azl2... Display - Siemens LME7 Series Basic Documentation

Error code Clear text
Fault of compatibility program module to basic
bAC Er3
unit during backup process
Err PrC Fault of program module
No establishment of flame at the end of safety
time (TSA)
Loc: 2
Air pressure faulty (air pressure switch (LP)
welded in no-load position, decrease to speci-
Loc: 3
fied time (t10) (air pressure switch (LP) re-
sponse 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 Pressure switch-min-gas open
Loc: 22 Safety loop open
Analog power source 4...20 mA, I <4 mA
Loc: 60
Loc: 138 Restore process successful
Loc: 139 No program module detected
Loc: 167 Manual locking
Error in compatibility program module to basic
rSt Er1
unit during restore process
Error in compatibility program module to basic
rSt Er2
unit during restore process
rSt Er3 Error during restore process
Building Technologies
HVAC Products
20 Error code list with operation via ex-
ternal AZL2... display
Basic Documentation LME7...

20 Error code list with operation via external AZL2... display

Possible cause
Program sequence of program module does not
match the basic unit
- Error in data content of program module
- No program module fitted
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
Air pressure switch (LP) faulty
- Loss of air pressure signal after specified time (t10)
- Air pressure switch (LP) has welded in no-load
position
Extraneous light during burner startup
Timeout air pressure switch (LP)
- Air pressure switch (LP) 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 (V1) leak
Fuel valve 2 (V2) leak
Error valve closure control POC
Gas shortage
- Pressure switch-max-gas open
- Safety temperature limiter cut out
Wire breakage
Restore process successful
No program module plugged in
Manual locking
- Program sequence of program module does not
match the basic unit
- Hardware of basic unit does not match the
program module
- Program module faulty
- Program module removed during restore
process
101/164
CC1P7105en
13.10.2009