User Manual

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Building Technologies M-bus System CE1P5361en
HVAC Products 8 Addendum 08.02.2007
Error code central unit Error code device
50 Severe error, communication
breakdown subsystem
41*, 42*, 45*
Error Continuous communication break-
down between radio node on the
M-bus and meter
* With OZW10 V4.0, these error codes are produced by mistake
Error code central unit Error code device
02 Undervoltage F2 Operating time has elapsed
FB Maximum number of communica-
tions via IrDA exceeded
FC Maximum number of communica-
tions via M-bus exceeded
FE Maximum number of communica-
tions via IrDA exceeded
10 Communication error subsystem
01*
--- Temporary communication break-
down between radio node on M-
bus and meter
34 Communication breakdown M-bus --- Current error of device not avail-
able
43 Severe error, hardware error
42*, 49*
F3 Hardware error
F4 Error stored in nonvolatile memory
F6 Pulse acquisition channel 1 open-
circuit
F7 Pulse acquisition channel 1 short-
circuit
F8 Pulse acquisition channel 2 open-
circuit
F9 Pulse acquisition channel 2 short-
circuit
50 Severe error, communication
breakdown subsystem
41*, 42*, 45*
--- Permanent communication break-
down between radio node on the
M-bus and meter
* With OZW10 V4.0, these error codes are produced by mistake
8.7.13 M-bus central unit OZW10
The OZW10 shows its own errors on popcard 3, line 50.
Error code
central unit
12 Data loss in RAM: Loss of all stored device data of the M-bus de-
vices. A new search run must be started.
13 Data loss in EEPROM: Loss of all setting values of the central unit.
Make settings again.
22 Battery of memory card exhausted: Replace battery.
23 Battery of central unit exhausted: Return central unit for repair.
35 Error memory card: Replace memory card.
36 Format error memory card: Format memory card again.
37 Memory card write protected: Remove write protection.
38 Memory card full: Use other memory card, delete files or format
memory card.
71 Alarm input 1
72 Alarm input 2
73 Alarm input 3
AEW36.2