Zodiac Z250iQ Notice D'installation Et D'utilisation page 55

4.2 I Error code display
• : Actions to be performed by a qualified technician only.
If an error occurs, the icon is displayed and an error code replaces the temperature indications, see table below to
find the possible causes.
Display
( )
Er20 01
Excessive internal current
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
( )
Er20 02
Compressor failure
(unit stops working)
If this error occurs 6 times in 60 minutes,
unplug the pump to clear the error.
( )
Er20 16
Internal voltage too low
( )
Er20 260
AC input voltage too high
( )
Er20 264
AC input voltage too low
( )
Er20 288
Internal temperature too high
Er03
Lack or absence of water flow
Er04
Antifreeze protection
Possible causes
IPM module failure
Compressor failure
Input voltage too low/PFC module
failure
Input three-phase unbalance
Input voltage too low
• Fan motor failure
• Obstructed air flow
Insufficient water in heat exchanger
Flow controller disconnected or faulty
Protection activated when the
ambient temperature is too low and
the appliance is on standby
Solutions
Replace the board connected
to the compressor (main board or
compressor board depending on the
model)
Replace the compressor
Replace the board connected
to the compressor (main board or
compressor board depending on the
model)
Check the input three-phases
voltage
Check input voltage
Check fan motor
Check air duct
Check your water circuit
operation and the opening of the by-
pass valves
Reconnect or replace sensor
No intervention necessary
EN
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