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Error code Clear text
rSt Er2
Error in compatibility program module to basic unit during re-
store process
rSt Er3
Error during the restore process
7.4
Resetting the burner control
When lockout occurs, the burner control can immediately be reset.
nfo
For reset the unit, press
>1 s
The basic unit is reset.
The LME71... can only be reset when all contacts in the line are closed and when there is no undervoltage.
NOTE:
For meaning of the error and diagnostic codes, see chapter 'Error
code list with operation via internal LED" at page 39.
7.5
Operation
The lockout reset button (info button) is the key op-
nfo
erating element for resetting the burner control and
for activating/deactivating the diagnostics func-
tions.
Red
The multicolor signal lamp is the key indicating el-
Yellow
ement for visual diagnostics.
Green
LED
Both lockout reset button and signal lamp are located in the control
panel.
There are 2 diagnostics choices:
1
Visual diagnostics: Indication of operating state or diagnostics
of cause of fault.
2
Diagnostics: via BCI to AZL2... display and operating unit.
A
A
1..3 s
20051011
Operation, indication, diagnostics
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for 1...3 seconds. When the button is released, OFF is displayed.
A
Press
for the relative current position of the actuator or the relative current speed of the PWM fan.
Signal lamp blinks green.
Display shows .oP.
A
Press
(1...3 seconds) for display of the relative current position or the current speed.
Signal lamp blinks green.
The relative value .57 of the current position is displayed.
Actual speed
0 rpm = 0% display
Current speed corresponds to the rated load speed = 100% display
Example: value .57
Possible cause
Hardware of basic unit does not match the program module
–
Program module faulty
–
Program module removed during restore process
Visual diagnostics:
In normal operation, the different operating states are indicated in
the form of color codes according to the color code Tab. K,
page 16.
7.5.1
Manual adjustment
Display is possible only when:
in operating mode or standby,
program sequence for modulating operation via analog preset
output and with connected actuator with potentiometer for
position feedback to the LME7...
40
GB
Tab. W
Tab. X
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