E.C.A. SCOT SC 24 HM Installation And User Manual - page 39
37
Scot
Er 61
Ion control
deviation
Press on reset button.
If error is continuing after reset inform E.C.A.
authorized service.
Warning
Er 62
SCOT
actuators
Press on reset button.
If error is continuing after reset inform E.C.A.
authorized service.
Warning
Er 63
SCOT system
error
Internal SCOT system error
(electronic self-test)
Press on reset button.
If error is continuing after reset inform E.C.A.
authorized service.
Warning
Er 21
Low Water
pressure
failure
Water-Pressure-Sensor signalize
low pressure
System remains blocked until the water pressure
returns to normal value and temperature
requirements are not met.
Check the valves and your fittings against
leakages.
Blockage
Er 22
High water
pressure
failure
System becomes blocked when
the water pressure sensor
detects high water pressure
(3 bar) that is undesirable for
your device.
The relevant cables may be split
or their connection may be
System remains blocked until the water pressure
returns to normal value and temperature
requirements are not met.
Check the valves and your fittings against
leakages.
Blockage
Er 23
Flow
Thermistor
Fault
- A relevant wiring cable may
break off or become separated
from its connection.
- Relevant wiring cable may be
on contact.
Inform E.C.A. authorized service.
Locking
Er 24
Return
Thermistor
Fault
The relevant cables may be
split or their connection may be
displaced. Relevant cables may
have contacted to each other
Inform E.C.A. authorized service.
Locking
Er 25
Flue
Thermistor
Fault
The relevant cables may be
split or their connection may be
displaced. Relevant cables may
have contacted to each other
Inform E.C.A. authorized service.
Locking
Er 26
DHW
Thermistor
Fault
The relevant cables may be
split or their connection may be
displaced. Relevant cables may
have contacted to each other
Inform E.C.A. authorized service.
Warning
Er 27 Outside Sensor
Fault
The relevant cables may be
split or their connection may be
displaced. Relevant cables may
have contacted to each other
Inform E.C.A. authorized service.
Warning
Er 28 Water Pressure
Switch
The relevant cables may be
split or their connection may be
displaced. Relevant cables may
have contacted to each other
Inform E.C.A. authorized service.
Blockage
Er 40
Flow Gradient
supervision
Difference between Flow
Temperature and Return
Temperature higher than
Parameter “max. differential
flow/return”
Press on reset button. If error is continuing after
reset Inform E.C.A. authorized service.
Blockage
Er 41
Failure
flow-return
supervision
If temperature difference of
CH outlet and return water
is different from the value
specified in the parameters, this
error arises.
Blockage