E.C.A. SCOT SC 24 HM, Installation And User Manual

Page: 38 / 48

36
Error
Code
Error Type Possible Cause Solution Reaction
Error Type
Er 03
Flue
Temperature
Lockout
If the flue temperature sensor
(NTC) course an over temperature
regarding the parameters SWE03
overheat flue temperature
(Lock-out) / SWE04 overheat flue
temperature (Blocking). (The limit
temperature is 105°C)
Check the flue connections.
Check the water circuits.
Check whether the CH inlet valve and radiator
valves are open or not.
Press on reset button.
If locking persists (or repeats) after reset inform
E.C.A. authorized service.
Blockage /
Locking
Er 04 Freeze
The actual CH-temperature value
is < +1°C.
The system will remain blocked unless the water
temperature turns to normal value.
Blockage
Er 05 Sensor Position
Error
Return temperature > Flow
Tempe Parameter SWE08
(max. delta flow/return reverse)
temperature.
Inform E.C.A. authorized service.
Blockage
Er 07
Overheating
Return-Sensor
If the return temperature sensor
(NTC) course an over temperature
regarding the parameters SWE05
overheat return temperature
(Lock-out) / SWE06 overheat return
temperature (Blocking 95°C).
Boiler will remain in this error mode till water
temperature drops into operating range. If
repeated inform E.C.A. authorized service.
Blockage /
Locking
Er 08
Er 09
Overheating
Flow-Sensor
Safety Temperature Limiter
device (STL) signalize
overheating (105°C)
Check the water circuits.
Check whether the CH inlet valve and radiator
valves are open or not.
Press on reset button.
If locking persists (or repeats) after reset inform
E.C.A. authorized service.
Bloke /
Kilitlenme
Boiler
Er 11
Flame
simulation
A flame was detected before
burner start.
Press on reset button. If error is continuing after
resetInform E.C.A. authorized service.
Locking
Er 12
Er 14
Er 16
Flame loss in
operation
Arises in case of flame loss in
boiler during the operation.
Have the ignition continued by pressing on the
reset button. If you are unable to get result
from automatic ignition after reset inform E.C.A.
authorized service.
Warning
Er 13
Flame signal
loss in safety
time
Arises in case of flame loss in
boiler during the safety time.
Have the ignition continued by pressing on the
reset button. If you are unable to get result
from automatic ignition after reset inform E.C.A.
authorized service.
Locking
Er 15
No flame
build-up
No flame build-up at burner
start. Lock-out after second
repetition start. Unsuccessful
starts produce forced
Have the ignition continued by pressing on the
reset button. If error continues after reset, Inform
E.C.A. authorized service.
Locking
Aktüatörler
Er 17
Gas valve
circuit error
After burner run, a flame is
detected for 15s, although a valve
has been switched off.
Locking
Er 18
Gas valve
current fault
Gas valve currents are outside limits
in step 5 “Safety time” and step 6
“Release control”.
Press on reset button.
If error is continuing after reset
Inform E.C.A. authorized service.
Locking
Er 19
Er 20
Failure fan
speed
System becomes blocked when the
water pressure sensor detects low
water pressure (less than 0.8 bar)
that is undesirable for your device.
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