3
Allarme #4
Allarme #5
Allarme #6
Allarme #7
Allarme #8
Allarme #9
Allarme #10
Allarme #11
Allarme #12
Allarme #13
** Check alarm type on external unit board sect. 3.9.2
When an alarm activates, check the cause in table 6 and remove the fault or call technical support.
To remove alarms A1 to A13, press ey8
The control can also activate two pump maintenance and water lter alarms. Parameter P d sets the number of running days
before the activation of the pump alarm, and parameter UF sets the number of running days before the activation of the lter
alarm.
Alarms can be activated by setting the relative parameter from 1 to 999 days, if 0 the counter is not activated.
When the alarm activates, and the machine has run for the set number of days, the display shows FiL for lter and P P for pump,
the parameter is set and the LED
To deactivate the FiL alarm for the lter and P P for the pump, press E 2
3.9.2
Alarms on e ternal unit display
The external unit control board has a two-digit display that shows any active alarms.
The table below shows the external unit alarms.
Error code
58
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
switches on.
E0
EEPROM malfunction
E2
Communication error between external unit and internal unit
E3
External board communication error
E4
External unit temperature sensor faulty
E5
Compressor power voltage protection
E6
PFC module protection (only for 36
P0
Compressor head temperature protection
P1
High pressure protection
P2
Low pressure protection
P3
Compressor overcurrent protection
P4
Compressor ow temperature protection
P5
Condensation high temperature protection
P6
Module protection
Outside air sensor faulty
Plate exchanger frost-protection
Flow switch alarm
Communication error with external unit
Anti-legionella cycle not performed
RS485 serial port communication error
Overcurrent protection (external unit alarm **)
Power voltage protection (external unit alarm **)
Wrong external unit phases sequence (external unit alarm **)
External unit sensors faulty (external unit alarm **)
for ten seconds or call technical support.
Alarm Description
48 with 1 phase)
for ten seconds until the alarm clears.