XtremepowerUS 75217, Owner'S Manual

Page: 12 / 14

11
b) This table explains the error codes caused by a defective regulating component.
Displ
ay Problem
Cause Solution
E20 “WATER IN” sensor out of
order
Sensor open or short-circuited Check or replace the sensor
E10 “Compressor exhust”
sensor out of order Sensor open or short-circuited Check or replace the sensor
E09 “HEATING COIL PIPE”
sensor out of order
Sensor open or short-circuited Check or replace the sensor
E12 “Return Gas”sensor out of
order
Sensor open or short-circuited Check or replace the sensor
E04 “AIR” sensor out of order Sensor open or short-circuited Check or replace the sensor
E25 “COOLING COIL PIPE”
sensor out of order
Sensor open or short-circuited Check or replace the sensor
E14 First anti-frost protection
active Low temperatures for water
and air No action required
Second anti-frost
protection active
Low temperatures for water
and air No action required
PP9 Low ambient temperature
protection Ambient temperature is too
low or protection temperature
setting set too high Check and repair.
E05 High pressure protection
Insufficient water flow Check the water flow
Pressure switch out of order Replace the pressure switch Have
Too much refrigerant gas
present the heat pump checked by a
refrigeration technician
E06 Low pressure protection
Not enough refrigerant gas Have the heat pump checked by a
refrigeration technician
Leak in the cooling conduits Have the heat pump checked by a
refrigeration technician
E03 Insufficient water flow
Insufficient water flow Check the water flow
Water flow switch out of order Replace the Water flow switch
PEE Phase Protection
Faulty phase wiring Put phases in order
E07 compresso ex r haust
temperature is too high
Water temperature and
environmental temperature is
too high Set to the safety of water
temperature.
Refrigerant leakage Check and repair.
Insufficient water flow Check the water flow
E08
Communication failure
No communication between
the digital display and the
system controller Check the connection between the
screen and the controller.
Replace screen and/or controller.
PE2 Emergency switch
disconnect
Emergency switch disconnect Check and repair.
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