Itho Daalderop boiler faults: fault codes, causes and parts (page 2 of 2)

Codes 151 to 188 of the 188 fault codes for Itho Daalderop. Looking for a specific code? Use the search on the first page.

Itho Daalderop boiler fault codes 151 to 188 of 188

The code list is split over 2 pages. Looking for a specific code? Use the search on the first page: it searches all 188 codes in one go.

Code	Cause
F2	Boiler has been manually put into fault state
F4	Ionisation fault
F5	No ionisation during operation
F6	Ionisation during standby
F7	End of programming
F8	Fan fault
F9	VKK coupling fault
Geen code	Fault with electrical power supply
Geen code	Status / temperature display: no fan runs continuously
Geen code	Status / temperature display: no fault with electrical power supply
Geen display	Fuse faulty
H	Lockout message internal error
H	Lockout message internal error
H	Lockout message internal error
H 1	Fault in coupling piece type VKK in the ventilation outlet duct
H 1	Status / temperature display: fault in coupling piece type VKK in the ventilation outlet duct
H geen	Reset button sticks or is faulty, memory faulty
HH	Lockout message sensor open circuit/temperature > 118 C
HH	Lockout message sensor open circuit/temperature > 118°C
L	Lockout message reverse the mains plug
L	Lockout message reverse the mains plug
L	Boiler plug inserted incorrectly
LL	Lockout message sensor short circuit/temperature < 10 oC
LL	Lockout message sensor short circuit/temperature < 10 oC
LL	Lockout message sensor short circuit/temperature < 10°C
LL	Lockout message sensor short circuit/temperature < 10 Oc
Letter	Internal fault in control unit
W00	Hot water temperature sensor value ‹ -10°C or › 118°C
W05	Central heating pressure too low 0.5 bar Central heating water pressure too low, as a result of which the output is limited to the lowest output of the appliance. D
W10	The system water pressure is 3.0 bar or higher, so the output is limited to the minimum output of the appliance.
W15	Hot water temperature sensor value ‹ -10°C or › 118°C
W20	The controller does not detect an outdoor sensor
_	Lockout and fault messages Flashing display and permanently lit spanner symbol
c	Lockout message central heating water temperature sensor error
c	System pressure error
t	Lockout message Appliance type recognition error
t	Lockout message appliance type recognition error
temp melding	Temporarily locked out

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