Basic Documentation
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Siemens Modular Heating Controller RMH760B CE1P3133en
Building Technologies 16 Fault tracing aids 2017-09-29
Number Name
For explanation, refer to
section / subsection…
9002
[Fault input 2] fault
14.8.1
9003
[Fault input 3] fault
14.8.1
9004
[Fault input 4] fault
14.8.1
9401
No pulse signal meter 1
12.9
9402
No pulse signal meter 2
12.9
9403
No pulse signal meter 3
12.9
9404
No pulse signal meter 4
12.9
16.2 Troubleshooting
Question
Reply
E.g., fault status message
[HC
1]
error flow sensor appears
although a sensor is connected
Check to see if error
Fault extension module
also
occurred. This fault can bring consequential
faults on the display
During commissioning, the
wrong language was selected.
How do I find "my" language?
1. Press simultaneously the ESC button and the
OK knob.
2. Select the password level and enter number
112 as the password (same as international
emergency call) and confirm by pressing the
OK knob. The language changes to English.
3. Select your language from the Settings > Device
> Language menu.
The controller is completely
switched off and the display
shows:
Operation locked
Remote operation
How do I start the controller
again?
Remote operation (OCI700.1 / OCI702) has set
the controller to commissioning mode, which has
disabled local operation.
If the controller is not correctly restarted via
remote operation, it will maintain this state.
Locally, the controller can only be restarted by
disconnecting it from power for a moment
The buttons on the QAW740
room unit do not work
On the controller, the room operating mode is
overridden by a higher priority