Lamtec CMS, Manual

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267
9 Faults
No. Description D1 D2 Extra
401 Fallen below the smallest, permissible O
2
value
The O
2
trim does not work on this burner.
– Check the electronic ratio control curve
O
2
actual value in
0,1 % O
2
23;1 R = 0, 0, 0, 0
Reset
402 - 425 Internal fault
– Reset fault
– If the fault still exists:
Send fault number and diagnostic code to the
technical support.
– Replace the device
426 Exceeding the maximum, valid CO probe voltage
Probe voltage (in mV with an 1
V) Probe voltage
(mV with an off-
set of +1
V)
0 R = 0
Reset
427 Exceeding the maximum, valid CO actual value
0 0 R = 0
Reset
428 - 457 Internal fault
– Reset fault
– If the fault still exists:
Send fault number and diagnostic code to the
technical support.
– Replace the device
458 Exceeding the parameter set U
CO
-MAX-value
The main processor has not detected that the maxi-
mum permissible CO probe voltage has been
exceeded. Probe voltage
(in mV with an off-
set of +1 V) 0 R = 0
Reset
459 Exceeding the parameter set CO
e
-MAX-value
The main processor has not detected that the maxi-
mum permissible CO actual value has been
exceeded CO actual value in
ppm 0 R = 0
Reset
461 Exceeding the parameter set O
2
-MIN-value
The main processor has not detected that the mini-
mum permissible O
2
value has been exceeded
O
2
actual value
in 0,1 % O
2
0 R = 0
Reset
470 - 820 Internal fault
– Reset fault
– If the fault still exists:
Send fault number and diagnostic code to the
technical support.
– Replace the device