CALEFFI SATK30 Series Istruzioni per l'installazione, la messa in servizio e la manutenzione - Pagina 14
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Troubleshooting
FAULT DESCRIPTION
INDICATIONS
DHW LED ON
Water is not
heated
FAULT LED ON +
error code 6 active
FAULT LED ON +
error code 79 active
FAULT LED ON +
error code 80 active
DHW LED OFF
all LEDs are OFF
The water is hot
but does not
reach the
DHW LED ON
desired
temperature
Hot water
temperature is
DHW LED ON
too high
Hot water flow
rate is
DHW LED ON
insufficient
Hot water flow
DHW LED OFF
rate is zero
POSSIBLE CAUSE OF FAULT
primary circuit shut-off valves closed
modulating valve actuator connector disconnected
modulating valve actuator disconnected from valve body
modulating valve actuator faulty
DHW temperature probe cable inverted with heating
probe
presence of air in the system
electronic controller not working
valve obturator blocked in closed position
centralised system not working/cold
DHW temperature probe disconnected
DHW temperature probe faulty
incorrect switch setting
incorrect switch setting
DHW priority flow meter disconnected
DHW priority flow meter faulty
no electric power supply
protection fuse burnt out
domestic water cycle temperature set point too low
primary circuit strainer of the HIU clogged
heat exchanger partly clogged
modulating valve actuator faulty
valve obturator blocked in intermediate position
modulating valve actuator connector disconnected
DHW temperature probe cable inverted with heating
probe
excessive demand for DHW
electronic controller not working
centralised system temperature insufficient
primary circuit flow rate insufficient
domestic water cycle temperature set point too high
DHW temperature probe cable inverted with heating
probe
modulating valve actuator faulty
valve obturator blocked in intermediate or open position
electronic controller not working
primary circuit excessive pressure
HIU strainer clogged
possible domestic water system shut-off valves
partially closed
centralised domestic circuit cold water flow rate
insufficient
possible domestic water system shut-off valves closed
no cold water in centralised domestic circuit
HIU strainer completely clogged
heat exchanger completely blocked
14
OPERATIONS TO BE PERFORMED
open the valves
reconnect actuator connector
reconnect actuator
call qualified personnel to have it
replaced
restore correct connection
vent the system
call qualified personnel to have it
replaced
call qualified personnel to have it
replaced
contact person in charge of system
reconnect probe
call qualified personnel to have it
replaced
restore correct switch setting
restore correct switch setting
reconnect flow meter
call qualified personnel to have it
replaced
restore HIU electric supply
call qualified personnel to have it
replaced
increase set point
call qualified personnel to have it
serviced
call qualified personnel to have it
serviced
call qualified personnel to have it
replaced
call qualified personnel to have it
replaced
reconnect actuator connector
restore correct connection
decrease demand
call qualified personnel to have it
replaced
contact person in charge of system
contact person in charge of system
decrease set point
restore correct connection
call qualified personnel to have it
replaced
call qualified personnel to have it
replaced
call qualified personnel to have it
replaced
contact person in charge of system
call qualified personnel to have it
serviced
open the valves
call qualified personnel to have it
serviced
open the valves
call qualified personnel to have it
serviced
call qualified personnel to have it
serviced
call qualified personnel to have it
serviced