Zodiac Z950 - Page 26

24
A42
Discharge
temperature 1
fault
Excessive compressor discharge
temperature or system blockage
or lack of gas
Check the sensor reading and the
cooling circuit
Reconnect or change the sensor
A43
Discharge
temperature 2
fault
Excessive compressor discharge
temperature or system blockage
or lack of gas
Check the sensor reading and the
cooling circuit
Reconnect or change the sensor
A44
Deviaon between
water inlet sensor
and water outlet
sensor
Deviaon between water inlet
temperature and water outlet is
too large
Check that the ow rate is sucient
A46
A46
Low outdoor air
temperature
The outdoor air temperature is
below the dened limit.
Check the sensor reading and the
minimum outdoor air temperature.
A47
A47
Fan thermal
protecon
Excessive consumpon of the fan
Check the fan
A51
A51
Compressor
protecon
deacvated
Contactor acvated or
deacvated on ON
Check the contactor or replace it
A52
Phase imbalance
Power cut Check the electrical connecons
A91
Phase checking
Incorrect phase connecon, or
lack of voltage
Check the electrical connecons.
Check the order of the phases.
A92
Lack of phase
One of the phases is powered o Check the electrical connecons
A93
Compressor
1 excessive
consumpon
Excessive consumpon in
compressor 1
Check the power supply and voltage.
A94
Compressor
2 excessive
consumpon
Excess consumpon in the
compressor 2
Check the power supply and voltage.
A99
Operang me
limit fault
Operang me exceeded Check the operang me.
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Screen failure
Communicaon failure between
the electronic board and the
display panel
Check the connecons and terminals
between the display panel and the main
circuit.
Check the display panel.
Check the electronic board.