Riello AARIA START Installation And Technical Service Instructions page 26

COMMISSIONING AND MAINTENANCE
led 1 Description
Electronic board
overtemperature
20
protection sensor
fault
Internal unit
21
overload
Internal unit anti-
22
freeze protection
Compressor motor
24
overcurrent
Overcurrent
protection for
25
single- phase of the
compressor
In the presence of operating abnormalities, the unit is secured
and blocked.
9
Safety block can occur randomly.
9
Wait for at least 10 minutes before restarting the unit.
9
If the fault occurs again, an accurate check of the device
components is required. Contact R Technical Support
Service.
9
Indoor units with display signal faults with an alphanumeric
code. Consult the matching outdoor unit instruction booklet
for the installer.
Remarks
After 3 consecutive interventions
in 1 hour, the unit resets after
problem resolution
The unit resets after problem
resolution
The alarm activates when the
indoor unit heat exchanger
probe is lower than the setpoint
for 2 minutes
The unit resets after problem
resolution
The unit resets automatically
The unit resets after problem
resolution
26