hydroheat.com.au
10
910.026.1 - EN (AUS)
ISTRUCTIONS PERTAINING TO THE USER
All the faults are displayed in order of importance; if several faults occur simultaneously, the rst to be displa-
yed is the one with highest priority. After the cause of the rst fault has been removed, the second one will
be displayed, and so on.
If any given fault occurs frequently, contact the authorised Service Centre.
3.9 TABLE OF FAULTS AND ERROR MESSAGES
In case of electrical power supply faults when the boiler is in operation, no gas leakage will occurr,
as the gas valve will turn off leaving the gas duct closed. The boiler will not signal any failure (lockout
error will not appear), and, in case the heating request is still pending after the electrical power supply
resumes, it restart to light on the burner starting a new heating cycle.
WARNING: POWER SUPPLY FAULTS
Error code
Description of fault
Corrective action
E10
Outdoor temperature sensor fault
call the authorised service centre.
E20
NTC output sensor failure
call the authorised service centre
E40
NTC return heating probe faulty
call the authorised service centre
E50
domestic hot water ntc sensor failure
call the authorised service centre
E110
Safety or fumes thermostat or heating return
temperature probe tripped
press the reset key (for about 2 seconds: if this device is
triggered repeatedly, call the authorised service centre)
E111
Delivery temperature higher than 95°C
If this fault persists, call the authorised service centre
E128
Loss of ame during operation (the ionization
current has fallen below the limit)
Call an authorised service centre.
E129
Minimum fan speed limit is hurt
Call an authorised service centre.
E132
oor thermostat tripped
call the authorised service centre
E133
no gas
press the reset key (for about 2 seconds); if the fault
persists, call the authorised service centre)
E151
boiler circuit board error
If
symbol is displayed, press the reset
button
otherwise switch off the electricity supply to the boiler
for at least 10 seconds; if the fault persists, call the
authorised service centre.
Check the positioning of the ignition and ame sensing
electrode (see section 16).
E153
the reset key has been pressed inappropriately press the key again (about 2 seconds)
E154
No circulation or reverse flow
call the authorised service centre
E160
fan speed threshold not reached
call the authorised service centre.
E164
no hydraulic pressure switch enabling signal
check that the system is at the rated pressure. (refer to
the section on lling the system). if the fault persists, call
the authorised service centre.
