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OPERATING INSTRUCTIONS
If there is a malfunction, error code will be displayed
in the screen of set Temperature.
If you press CANCEL button, LA error code will be
displayed for another 1 minute, then display will
show temperature value.
In case of continuous operation for 20 hours
and ambient temperature does not meet the
operation conditions of heat pump (5~43°C
range), LA code will be displayed and ALARM
indicator will flash.
In this case, it is possible to select E-HEATER
mode only.
Please switch to E-heater mode manually to
ensure that normal operation of appliance is
restored (LA code will disappear and ALARM
indicator will stop flashing).
If some errors happen, the buzzer will buzz 3 times
every other minute and the ALARM indicator will
flash quickly.
Press CANCEL button for several seconds to stop
the buzzer, but ALARM indicator will keep on flashing.
•
If a malfunction occurs while system works in
Economy mode, operation may keep on if E/heater
mode is selected.
When some error happens, though the system
could be used in some circumstances, it could not
reach the expected efficiency.
Please contact the Authorized Technical Service.
Error Code Explanation: see further on, Table 10/2.
•
Whatever intervention on Water Heater
must be carried out by Authorized Technical
Service, as there is danger of electric
shocks.
•
•
Fig. 7-16
Fig. 7-17
Press CANCEL key to stop
the buzzer.
Visualizzazione del Codice
di Errore.
Error Code which means a conflict
with operating conditions of heat
pump
ALARM indicator flashes to
indicate there is a malfunction
•
•
CANCEL
Error Display
•
TEMP-SET
Error Code which indicates that
there is a conflict with the operation
condition of heat pump
TEMP-SET
ALARM
ALARM indicator flashes to
indicate that there is a malfunction
ALARM
Fig. 7-13
Fig. 7-14
Fig. 7-15
TEMP-SET
WARNING
Summary of Contents for HWMI 150 A
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