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
F:84 Open-circuit return temperature
measuring circuit
F:94 Short-circuit return temperature
measuring circuit
F:E4 Wrong power supply module for the
selected application
42 Severe error, undervoltage F:42 Undervoltage: Check mains voltage
or replace battery module
8.7.3 Heat meters SONOGYR

WSD…
The SONOGYR
®
WSD heat meter shows pending and stored errors on the display’s
top level.
Error code central unit Error code device
01 Tv<Tr or T outside value range
F:1 Flow temperature < Return tem-
perature, temperature outside
measuring range
02 Undervoltage F:2 Undervoltage
03 Hardware error F:3 Hardware error
05 Air in the measuring path F:5 Air in the measuring path
06 Flow sensor short-circuit / open-
circuit
F:6 Open-circuit flow sensor measuring
circuit
F:7 Short-circuit flow sensor measuring
circuit
08 Return sensor short-circuit / open-
circuit
F:8 Open-circuit return sensor measur-
ing circuit
F:9 Short-circuit return sensor measur-
ing circuit
34 Communication breakdown M-bus
--- Current error of device not available
40 Severe error
F:40 Error for more than 8 minutes pend-
ing
41 Severe error, Tv<Tr or T outside
value range
F:41 Flow temperature < return tempera-
ture, temperature outside measur-
ing range, F:4 for more than 8 min-
utes pending
42 Severe error, undervoltage
F:42 Undervoltage, F:2 for more than 8
minutes pending
43 Severe error, hardware error
F:43 Hardware error, F:3 for more than 8
minutes pending
45 Severe error, air in measuring path
F:45 Air in measuring path, F:5 for more
than 8 minutes pending
46 Severe error, flow sensor short-
circuit / open-circuit
F:46 Open-circuit flow sensor measuring
circuit, F:6 for more than 8 minutes
pending
F:47 Short-circuit flow sensor measuring
circuit, F:7 for more than 8 minutes
pending
48 Severe error, return sensor short-
circuit / open circuit
F:48 Open-circuit return sensor measur-
ing circuit, F:8 for more than 8 min-
utes pending
F:49 Short-circuit return sensor measur-
ing circuit, F:9 for more than 8 min-
utes pending
93 Number of readouts exceeded
--- No display of error on the device