TERMA ONE - Troubleshooting; LED Diode Issues; Heating Performance Issues; Temperature Sensor Fault

User manual — ONE
Troubleshoong
Symptom Possible cause Adviced acon
LED diode is not on,
heang element does
not heat
Damaged elec-
tronics
contact Your local Distributor
LED diode pulsing:
WHITE & RED or
WHITE & YELLOW
The radiator is
not warming up
quickly
1. Check and conrm that the heang element's
output is not too low for the size of radiator.
2. (Dual Fuel only) — check the ow of the heated
agent is it owing back into the central heang
system, if this is the case you will need to close one
of the valves (ow or return). In the case of a 'side
connecon' you will need to close the upper valve. If
the problem connues contact Your dealer.
LED
diode
pulsing
WHITE
(mal-
funcon
alert)
TWO
ashes
Low water level
(work in dry con-
dions)
1. May happen once or twice aer switching on - this
is not a malfuncon;
2. If lasts longer - check the lever of heang agent
level
THREE
ashes
Overheang Check and reduce the water temperature in the
central heang system-must not exceed 82 deg
Check and conrm that the heang element's output
does not exceed the recommended output of your
radiator. Turn the heang element o with the ON/
OFF buon and wait for 20 min. If the radiator is sll
hot, disconnect it from its electrical supply - contact
the Distributor.
FOUR
ashes
Temperature sen-
sor damaged
Contact Your local Distributor
FIVE
ashes
The radiator is
not warming up
quickly
1. Check and conrm that the heang element's
output is not too low for the size of radiator.
2. (Dual Fuel only) - check the ow of the heated
agent, is it owing back into the central heang
system, if this is the case you will need to close one
of the valves (ow or return). In the case of a 'side
connecon' you will need to close the upper valve. If
the problem connues contact Your dealer.
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