Basic Documentation

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Siemens Modular Heating Controller RMH760B CE1P3133en
Building Technologies 10 DHW heating 2017-09-29
Number
Text
Effect
2101
Legionella protection error
Nonurgent message; must be
acknowledged
This error occurs when the legionella function has not been able to reach the legionella
setpoint for 48 hours. The legionella function will be aborted and restarted only the next
time the legionella program is enabled.
Number Text Effect
2551
[DHW primary pump]
overload
Nonurgent message.
Acknowledgement can be selected;
factory setting: "Acknowledge and reset"
2552
[DHW primary pump B]
overload
Nonurgent message.
Acknowledgement can be selected;
factory setting: "Acknowledge and reset"
2553
[DHW prim pump] no flow
Nonurgent message; must be
acknowledged and reset
2554
[DHW prim pump B] no
flow
Nonurgent message; must be
acknowledged and reset
2555
[DHW primary pump] fault
Urgent message; must not be
acknowledged. Plant stop DHW
Number Text Effect
2561
[DHW sec pump] overload Nonurgent message.
Acknowledgement can be selected;
factory setting: "Acknowledge and reset"
2562
[DHW sec pump B]
overload
Nonurgent message.
Acknowledgement can be selected;
factory setting: "Acknowledge and reset"
2563
[DHW sec pump] no flow
Nonurgent message; must be
acknowledged and reset
2564
[DHW sec pump B] no flow
Nonurgent message; must be
acknowledged and reset
2565
[DHW sec pump] fault
Urgent message; must not be
acknowledged. Plant stop DHW
Number
Text
Effect
2571
[DHW circ pump] overload Nonurgent message.
Acknowledgement can be selected;
factory setting: "Acknowledge and reset"
2572
[DHW circ pump B]
overload
Nonurgent message.
Acknowledgement can be selected;
factory setting: "Acknowledge and reset"
2573
[DHW circ pump] no flow
Nonurgent message; must be
acknowledged and reset
2574
[DHW circ pump B] no flow
Nonurgent message; must be
acknowledged and reset
2575
[DHW circ pump] fault
Urgent message; must not be
acknowledged. Plant stop DHW
Legionella temperature
not reached
Faulty DHW primary pump
Faulty DHW secondary
pump
Faulty circulating pump