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Building Technologies Modular Heating Controller RMH760B CE1P3133en
HVAC Products 15 Fault tracing aids 05.02.2007
Number Name
For explanation, refer to
section / subsection…
9002 [Fault input 2] fault 13.8
9003 [Fault input 3] fault 13.8
9004 [Fault input 4] fault 13.8
9401 No pulse signal meter 1 11.9
9402 No pulse signal meter 2 11.9
9403 No pulse signal meter 3 11.9
9404 No pulse signal meter 4 11.9
15.2 Troubleshooting
Question Reply
E.g., fault status message [HC 1]
error flow sensor
appears al-
though 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) has set the control-
ler 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
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