21
EE 2
Low pressure protection
Not enough refrigerant gas
Leak in the cooling conduits
Have the heat pump
checked by a refrigeration
technician x62
Have the heat pump
checked by a refrigeration
technician
EE 3
Insufficient water flow
Insufficient water flow
Water flow switch out of order
Check the water flow
Replace the Water flow
switch
EE 4
Phase Protection
Faulty phase wiring
Put phases in order
PP7
Water temperature too
low during cool-down
Insufficient water flow
Sensor “WATER OUT”
displays an incorrect message
Check the water flow
Check or replace the sensor
PP 7
First anti-frost protection
active
Low temperatures for water
and air
No action required
PP 7
Second anti-frost
protection active
Low temperatures for water
and air
No action required
PP 8
“CONDENSER” sensor
out of order
Sensor open or
short-circuited
Check or replace the sensor
PP 9
Low ambient temperature
protection
Ambient temperature is too
low or protection temperature
setting set too high
Check and repair
EE 1
High pressure protection
Insufficient water flow
Pressure switch out of order
Too much refrigerant gas
present
Check the water flow
Replace the pressure switch
Have the heat pump
checked by a refrigeration
technician
EE 5
Compressor exhaust
temperature is too high
Water temperature and
environmental temperature is
too high
Refrigerant leakage
Insufficient water flow
Set to the safety of water
temperature.
Check and repair.
Check the water flow
EE 6
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.
PE1
Emergency switch
disconnect
Emergency switch disconnect
Check and repair
Summary of Contents for Power Smart SHP-100
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