Carel humiSonic UU02, Руководство пользователя, Страница: 55 / 68

23
ENG
Direct version for room applic. +0300062IE - rel. 1.1 - 16.11.2017
9. ALARMS
red LED signal
(*)
code and
symbol
on display
(flashing)
meaning cause solution alarm relay
activation
action reset
2 fast flashes Et - Autotest failed - Fill not connected or
insufficient
- drain open
- faulty float Check:
•
water supply and
fill valve;
•
blockage of filter on
fill solenoid valve;
•
check drain
solenoid valve and
drain connection;
yes humidification
interrupted ESC / Digital 29
5 fast flashes EP No production Malfunction of piezoelectric
transducers Carry out
maintenance on tank yes humidification
interrupted ESC / Digital 29
3 fast flashes EF No water Interruption to water supply or
fill solenoid valve malfunction Check:
•
water supply and
fill valve;
•
blockage of filter on
fill solenoid valve
yes
(in the 10
min. waiting
period) humidification
interrupted
only per 10
minutes automatic (after
10 minute wait,
see Chap. 5.8)
4 fast flashes Ed No drain Drain solenoid valve/circuit
malfunction Check drain valve and
drain connection yes humidification
interrupted ESC / Digital 29
5 slow flashes CL Tank maintenance
request signal b5 operating hours for
recommended maintenance
exceeded Carry out
maintenance on
tank and transducers
(cap. 9) no signal only Reset hour
counter (See
Chap 5.6 or 6.8)
6 fast flashes PU - External control
signal not
connected correctly Cable interrupted/
disconnected/not connected
correctly. Check the reference
signal (4 to 20 mA or 2
to 10V). yes humidification
interrupted AUTO
2 slow flashes H^ High humidity The signal from the probe
indicates humidity above
80%rH Check humidity probe
signal/cable yes humidification
interrupted AUTO
3 slow flashes H_ Low humidity The signal from the probe
indicates humidity less than
20%rH Check humidity probe
signal/cable yes humidification
interrupted AUTO
4 slow flashes EE EEPROM alarm Problems in the EEPROM If the problem persists,
contact the CAREL
service centre yes humidification
interrupted If this persists
contact service
1 fast flash E0 Functional test not
performed Functional test not performed
by manufacturer/EEPROM
problems If the problem persists,
contact the CAREL
service centre yes humidification
interrupted If this persists
contact service
7 slow flashes OFL Master Offline Loss of connection from the
serial master (If D37=1) Check state of the
Master / Cable yes humidification
interrupted AUTO
8 fast flash EL Water level alarm Level too high during atomised
water production due to:
•
fill SV leak
•
transducer malfunction
•
fan malfunction
Check:
•
fill SV
•
transducers
•
fans
yes humidification
interrupted AUTO
6 slow flashes ES1
ES2
ES3 Alarm on slave unit
1/2/3 Display slave unit from terminal
for details of the alarm see specific alarm
code, chapter
“Network connection” yes signal only AUTO
1 slow flash -bu Backup unit not
available The backup unit is off or has an
alarm: contact J17 on the main
unit is open Check the connection
from the alarm relay
on the backup unit
to input J17 on the
main unit. The logic of
the alarm relay on the
slave unit must be NC,
settable by parameter
b0 no signal only AUTO
Tab. 9.a
To reset the alarms, press ESC once to mute the buzzer, press ESC a
second time to completely reset the alarm.
(*) Fast flash: 0.2 seconds ON and 0.2 seconds OFF
Slow flash: 1 second ON and 1 second OFF