Lamtec CMS, Manual

Page: 249 / 284

248
8 CO/O
2
Control
0052 CO fault
ot
The CO edge signal is not plausible.
The CO edge signal was present constantly for more than 60 s.
The controller cannot control out of the CO.
– Check/adjust the triggering threshold for the CO edge on the
LT.
– Check/adjust correction range (P703).
– Check/adjust electronic ratio curves.
– Check/replace probe for correct function.
– Check/replace LT
0053 CO fault
ot
The CO edge signal is not plausible.
Permanent CO controller switch-off.
CO edge signal persisted for more than 300 s.
– Reset fault by a manual acknowledgement of the fault
or with a burner restart
– Check/adjust correction range (P703).
– Check/adjust electronic ratio curves.
– Check/replace probe for correct function.
– Check/replace LT
0054 CO fault
ot
The CO edge has been exceeded for too long after ignition.
The CO edge has been exceeded permanently for more than 120 s. The
controller cannot control out of the CO.
– Check/adjust the triggering threshold for the CO edge on the
LT.
– Check/adjust correction range (P703).
– Check/adjust electronic ratio curves (ignition point).
– Check/replace probe for correct function.
– Check/replace LT
0055 CO fault
od
The CO edge has been exceeded for too long after ignition.
The CO edge has been exceeded permanently for more than 240 s.
The controller cannot control out of the CO.
The CO detection can be switched off after ignition by P234
(P 234

0)
– Check/adjust the triggering threshold for the CO edge on the
LT.
– Check/adjust correction range (P703).
– Check/adjust electronic ratio curves (ignition point).
– Check/replace probe for correct function.
– Check/replace LT
No. Fault/
information Comment