I Displaying The Working Parameters - Zodiac Z250 MD3 Instructions For Installation And Use Manual

Er51
Software control error
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
Er52
VDC voltage too low protection
(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
r 1 7
r 1 8
r 1 9
r 1 10
r 1 11
Ft
Fr
1F
2F
Abnormal driving control
Abnormal driving control
Software error
icon flashes,
Description
Air discharge temperature
Air suction temperature
Inlet water temperature
Outlet water temperature
Outdoor coil temperature
Outdoor ambient temperature
IPM temperature
Indoor coil temperature
(reserve)
(reserve)
(reserve)
Target frequency
Current frequency
Main EEV opening
Auxiliary EEV opening
Replace drive PCB
Replace drive PCB
Replace PCB
EN
24