Wolf CGB-75 - Page 59

593062555_201804
Fault
code
Fault Cause Remedy
38 BCC no. invalid Boiler coding card fault Replace boiler coding card
39 BCC system error Boiler coding card fault Replace boiler coding card
41 Flow monitoring Returntemperature>Flow+25K Vent the heating system, check the system
pressure.
Check heating circuit pump.
43 Burnerstarts>20per
hour
Heatexchangerowratetooloworforcascades,the
measurement point of the manifold temperature may
be unsuitable, or the output demand of the cylinder
charging may be too low.
Checkowrate
The manifold sensor must record the com-
monowtemperatureofthecascade.
50 Activation of boiler coding
card
The boiler coding card must be enabled Press reset 2 x
52 Activation of boiler coding
card
The boiler coding card must be enabled Press reset 2 x
60 Ionisation current
uctuation.
Thetrapisblocked,ortheuesystemisblocked,or
severe storm
Cleantrap,checkuesystem,
check ventilation air, check monitoring
electrode
61 Ionisation current fails Poor gas quality, monitoring electrode faulty, or severe
storm
Check monitoring electrode and cable
LED constantly red Ionisation cable short circuit or ionisation electrode
earthed (casing).
Check ionisation cable and position of elec-
trode to burner. Press reset button.
31.Troubleshooting