Convotherm OEB Series Service Handbook page 30

Service Handbook OEB/OES/OGB/OGS
Gas units with Steam generator (OGB)
Gas units with Direct injection (OGS)
Information:
The electronic controls 10 / 16 can check the following sources of problems:

Low water level in steam generator ( Measuring pin of the water level probe
B1/rd)  only in OEB and OGB

Motor excess temperature (thermo clicker) 14

Motor defect (measuring revolutions per Minute by the reverberation sensor)
13  only in OGB and OGS

Probes B3, B4, B5, B6 and B10 (Ni Cr Ni – Thermo element probe)

Controls 10 and 16 (Hard- and Software error)

Excess temperature immersion heating element 6 and steam generator heat
exchanger 7 (B8 = Ni Cr Ni – Thermo element probe)
AS/11-2011 2_04_02e_Electronic safety switches_b
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