SATK40 & Procyl
®
14
Fault
Indications
Possible Cause of Fault
Operations to be Performed
Hot water flow rate
is insufficient
DHW led on
HIU strainer clogged
call qualified personnel to have it replaced
possible domestic water system shut-off valves
partly open
open the valves
centralised domestic circuit cold water flow rate insufficient
call qualified personnel to have it serviced
The is no hot water
flow
DHW LED off
possible domestic water system shut-off valves closed
open the valves
no cold water in centralised domestic circuit
contact person in charge of system
HIU strainer clogged
call qualified personnel to have it serviced
The room is not
reaching the desired
temperature
CH LED on
heating cycle temperature set point too low
increase set point
chrono-thermostat temperature setting incorrect
check programming of chrono-thermostat
HIU strainer clogged
call qualified personnel to have it serviced
modulating valve actuator connector disconnected
restore correct connection
modulating valve control disconnected from valve body
re-connect actuator
modulating valve faulty
call qualified personnel to have it serviced
diverting valve actuator disconnected
re-connect actuator connection
diverting valve actuator disconnected from valve body
re-connect actuator
diverting valve actuator faulty
call qualified personnel to have it replaced
presence of air in the system
vent the system
pump not working
call qualified personnel to have it replaced
pump cable not connected
restore connection
heat exchanger clogged
call qualified personnel to have it replaced
possible system shut-off valves closed
open the valves
centralised system temperature insufficient
contact person in charge of system
primary circuit flow rate insufficient
contact person in charge of system
centralised system not working
contact person in charge of system
electronic controller not working
call qualified personnel to have it replaced
CH LED off
timer/thermostat time setting incorrect
check programming of timer/thermostat
timer/thermostat not working
check timer/thermostat
electronic controller not working
call qualified personnel to have it replaced
all LEDs are off
electric supply switched off
restore HIU electric supply
protection fuse burnt out
restore HIU electric supply
LED FAULT on +
error code 4 active
heating circuit pressure too low
restore system pressure
LED FAULT on +
error code 5 active
heating temperature probe faulty
call qualified personnel to have it replaced
LED FAULT on +
error code 15 active
compensation temperature probe faulty
call qualified personnel to have it replaced
LED FAULT on +
error code 69 active
safety thermostat cut in
call qualified personnel to have it serviced
LED FAULT on +
error code 79 active
incorrect switch setting
restore correct switch settings
Fault Finding
