Herz BW/WW, Operating Instructions Manual

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Fault reports and their corrections 9
Betriebsanleitung_commotherm_5_15_SW_WW_Touch_Englisch_V1.2 57
9 FAULT REPORTS AND THEIR CORRECTIONS
You should always take particular note of the safety instructions!
If a fault arises, the fault must always be rectified first and afterwards cleared by switching the system on
again. If several faults arise at the same time, they will be displayed in order of their occurrence.
No. Fault report Cause of fault Fault correction
006
BOILER-OUTSIDE
SENSOR Failure boiler outside
temperature sensor
 Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary
 ✆ - contracting party
007
BUFFER SENSOR
TOP Failure buffer top temperature
sensor

Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary
 ✆ - contracting party
008
BUFFER SENSOR
BOTTOM Failure buffer bottom
temperature sensor

Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary
 ✆
- contracting party
009
BUFFER SENSOR
OUTSIDE TEMP. Failure buffer outside
temperature sensor
 Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary

✆
- contracting party
010
BUFFER SENSOR
MIDDLE Failure buffer middle
temperature sensor
 Check sensor, replace as necessary

Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary

✆
- contracting party
 Error does not exist at heat pumps
011
HOT WATER TANK
SENSOR Failure hot water tank
temperature sensor
 Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary
 ✆ - contracting party
012
CIRCULATION
SENSOR Failure circulation temperature
sensor
 Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary

✆
- contracting party
013 HC-FLOW SENSOR
Failure heating circuit flow
temperature sensor
 Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary

✆
- contracting party
014
HC-BACK FLOW
SENSOR Failure heating circuit back flow
temperature sensor
 Check sensor, replace as necessary
 Check plug, replace as necessary
 Check wiring incl. Connections,
replace as necessary

✆
- contracting party