Herz firestar de Luxe 18, Operating Instructions Manual

Page: 67 / 90

Fault reports and their corrections 10
67
No. Fault report Cause of fault Fault correction
038 Maintenance
when exceeding the set inspection
interval (1000 operating hours)
▪
Conduct maintenance according to
maintenance schedule
▪
Fault has to be receipted manually:
Settings
→
Code entry
▪
If code is already set
→
Settings press
039 SERVICE
when exceeding the set inspection
interval (3000 operating hours) Carry out boiler system maintenance
by authorised personnel
040
OVERHEAT
ADD.BOILER This fault text occurs if additional
boiler temperature exceeds 92 °C -
041 HEATING OFF
Boiler operation mode “HEATING
OFF” is activated
-
042
BLOCKING
PROTECTION
Blocking protection is active
-
043
TIMEOUT ADD.
BOILER
Additional boiler minimum flue gas
temperature wasn´t reached within 1
hour (operation mode:
automatic/burner) Check additional boiler
044
LEGIONELLA
PROTECTION. Tank thermal disinfection active;
Tank will be heated up to 75°C -
045
CHIMNEY SWEEP.
MODE
Chimney sweep function active
(see chapter Chimney sweep function)
046 MOD.ERR EXT.
Communication error of CAN 2 to
external module
▪
Check module CAN connection
▪
Check module
▪
✆
- contracting party
047 MOD.ERR INT.
Communication error of CAN 1 to
external module
▪
Check module CAN connection
▪
Check module
▪
✆
- contracting party
048 MOD.ERR BOILER
Communication error to boiler
module
▪
Check module CAN connection
▪
Check module
▪ ✆
- contracting party
049
DATAERROR
MEMORY EXTERNAL Data adjustment error at external
module
✆
- contracting party
050
DATAERROR
MEMORY INTERNAL Data adjustment error at internal
module
✆
- contracting party
051
DATAERROR
MEMORY BOILER Data adjustment error at boiler
module
✆
- contracting party
053
ADDITIONAL FLUE
GAS SENSOR Additional boiler flue gas
temperature out of range
▪
Check sensor, replace as necessary
▪
Check plug, replace as necessary
▪
Check wiring incl. connections,
replace as necessary
054
EXTERNAL SET
POINT
Ext. No Signal of external
requirement or control (if line
monitoring is active)
▪
Check external (additional) control
signal
▪
Check plug, replace as necessary
▪
Check wiring incl. connections,
replace as necessary
055 BACK FLOW SET
Back flow set temperature could not
be reached during operation
▪
Function check mixer with mixer
motor
▪
Function check pump
▪
Check sensor position