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9

Status display / Error codes

The symbols in the table below show the meter’s operational status. The status messages only appear in 
the main display (energy)! The temporary display of the warning triangle can be caused by special operat-
ing states and does not always mean that the device is malfunctioning. However, should the symbol be 
displayed over a longer period of time, you should contact the service company. 

Error codes show faults detected by zelsius

®

 C5-ISF. If more than one error appears, the sum of the 

error codes is displayed: Error 1005 = error 1000 and error 5.

Code

Error

Event

1

Temperature out of measuring range

Check sensors

2

Temperature out of measuring range

Check sensors

3

Short-circuit return sensor

Check sensors

4

Interruption return sensor

Check sensors

5

Short-circuit supply sensor

Check sensors

6

Interruption supply sensor

Check sensors

7

Battery voltage

Exchange device

8

Hardware error

Exchange device

9

Hardware error

Exchange device

100

Hardware error

Exchange device

800

Wireless interface

Exchange device

1000

Status end of the battery

Exchange device respectively battery*

2000

Status Initial verification expired

Exchange device

* Due to certification reasons, change of the battery only possible abroad.

Symbol Status 

Event

 

External voltage 

-

 

Flow existent 

-

 

Attention! 

Check system / device for errors

 

Symbol flashing: Data transmission 

-

 

Symbol constantly displayed: optical interface active 

-

 

Emergency operation 

Exchange device

Summary of Contents for zelsius C5-ISF

Page 1: ...lsius C5 ISF Installation and operating manual electronic compact heat meter with single jet flow sensor ISF M Bus wM Bus and 3 inputs outputs optional qp 0 6 1 5 2 5 m3 h EnergyMetering All that coun...

Page 2: ...to use After this the national regulations for devices subject to com pulsory verification apply within the EU The duration of initial verification validity in Ger many remains 5 years for heat meters...

Page 3: ...tance To avoid malfunctions due to other interfer ences do not install fluorescent lamps switch cabinets or electric devices such as motors or pumps in the immediate vicinity of the meter minimum dist...

Page 4: ...radio Supply 3 6 V lithium battery different capacities Battery lifetime Years 6 opt 11 changeable during the operation time Protection class IP54 EMC C Ambient conditions climatic influencing valid...

Page 5: ...signification brown M Bus 1 M Bus Line 1 white M Bus 2 M Bus Line 2 Compact version Combiversion E H1 H2 25mm Dimensions Height compact version Hmax 55 mm Emax 21 mm Height combiversion H1 H2 Hmax 65...

Page 6: ...eline of min 10xDN has to be pro vided upstream of the meter It is important to ensure adequate system pressure to avoid cavi tation To mount the heat computer of the C5 ISF in combi version on the wa...

Page 7: ...temperature sensor The installation of the temperature sensors should be preferably symmetrical and direct installation Do not remove the return sensor if already mounted in the VMU This is also vali...

Page 8: ...ntegrated in the flow sensor Supply Return Consumer Symmetrical sensor installation for zelsius C5 ISF Supply Return Consumer Asymmetrical sensor installation for zelsius C5 ISF with the return sensor...

Page 9: ...eck sensors 2 Temperature out of measuring range Check sensors 3 Short circuit return sensor Check sensors 4 Interruption return sensor Check sensors 5 Short circuit supply sensor Check sensors 6 Inte...

Page 10: ...3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 3 Function only available in variant zelsius C5 Glycol Meter 2 S S S S H H H H 1 3 1 3 1 3 3 3 1 2 3 4 1 1 water glycol mixtures 1 1 1 1 Heat energy Main disp...

Page 11: ...rtification model Firmware version ing energy ing energy power since commissioning Function Output 3 Function Output 2 Function Output 1 Opto readout energy Pulse value Input 1 Pulse value Input 2 Pul...

Page 12: ...or other accessories are disposed Therefore please contact the department of your local authority which is responsible for waste disposal Alternatively a waste disposal via ZENNER is possible Your loc...

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