Herz firematic CONDENSATION 30, Operating Instructions Manual

Page: 67 / 92

Fault reports and their corrections 10
67
No. Fault report Cause of fault Fault correction
021 SENSOR SOLAR TANK 2
Sensor break; Value outside the
measuring
range
(-10 - 120°C)
Check sensor, replace as renew
Check plug, replace as renew
Check wiring incl. connections,
replace as renew
✆
- contracting party
022 SENSOR SOLAR RES.
Sensor break; Value outside the
measuring
range
(-10 - 120°C)
Check sensor, replace as renew
Check plug, replace as renew
Check wiring incl. connections,
replace as renew
✆
- contracting party
023
ADDITIONAL BOILER
SENSOR
Sensor break; Value outside the
measuring
range
(-10 - 120°C)
Check sensor, replace as renew
Check plug, replace as renew
Check wiring incl. connections,
replace as renew
✆
- contracting party
024 MODUL SENSOR
Sensor break; Value outside the
measuring
range
(-10 - 120°C)
Check sensor, replace as renew
Check plug, replace as renew
Check wiring incl. connections,
replace as renew
✆
- contracting party
025 OVERHEAT BOILER MAX
boiler temperature over 92,5°C or
104,5°C increase
Check settings
Check back flow mixer
Check back flow pump
026 OVERHEAT
boiler temperature over 98°C or
108°C increase
Check settings
Check back flow mixer
Check back flow pump
027 SOLAR OVERHEATING
Fault is shown, if collector
temperature exceeds 140 °C
Check solar pump
Check solar tank level
028 SOLAR MAX. LOADING
Collector temperature exceeds 120
°C
Check solar pump
Check solar tank level
029 ANTIFREEZE BOILER
Boiler flow or back flow sensor
under 7°C
Check or increase the room
temperature in the boiler room.
030 ANTIFREEZE BUFFER
Sensor value below 7°C
Check or increase the room
temperature in the boiler room.
031
ANTIFREEZE HOT
WATER TANK
Sensor value below 7°C
Check or increase the room
temperature in the boiler room.
032
ANTIFREEZE HEATING
CIRCUIT
Flow or return sensor below 7 ° C;
Room temp. sensor below 5 ° C
Check or increase the room
temperature in the boiler room.
033 ANTIFREEZE SOLAR
Collector temperature under set up
antifreeze temperature -
034 ANTIFREEZE MODULE Sensor value below 7°C
Check or increase the room
temperature
036 ANTIFR. ADD. BOILER Sensor value below 7°C -
037
HOT WATER TANK
LOADING
Hot water tank didn´t reach set
temperature during loading time; hot
water tank loading gets blocked till
fault correction Adapt loading time
Activate hot water tank priority
Hot water tank settings (min. / must)
038 Maintenance
when exceeding the set inspection
interval
Conduct maintenance according to
maintenance schedule
Fault has to be receipted manually: