Er48
Internal temperature error on electronics
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
Er49
Internal electrical error
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
Er50
Internal temperature error on electronics
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
Er51
Software error
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
Er52
Internal voltage too low
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
Er99
VDC voltage too low protection
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
4.3 I Displaying the working parameters
•
Modifying the default settings must be performed by a qualified technician only to facilitate
maintenance or future repairs.
To access to the working parameters:
- Unlock the keypad: the main menu is displayed.
- Press
four times : the
- Press
to browse through the available parameters.
- Press
to return the main menu.
The parameters that can be displayed are listed in the following table.
Code
r 1 1
r 1 2
r 1 3
r 1 4
r 1 5
r 1 6
25
Abnormal driving control
Abnormal driving control
Abnormal driving control
Abnormal driving control
Abnormal driving control
Software error
icon flashes,
Description
Compressor discharge gas temperature
Compressor suction gas temperature
Inlet water temperature
Outlet water temperature
Temperature evaporator
Outdoor air temperature
Replace drive PCB
Replace main board
Replace compressor
Replace main board
Replace the main board
Replace the main board
Replace the main board