Air-to-water Heat Pump Split Versati
93
SPLIT TYPE
3 Flow Chart of Troubleshooting
3.1 Compressor High-pressure Protection E1
Comp High-pressure protection E1
Check if the High-pressure switch
is broken
Replace the High-pressure
switch
Check if the High-pressure switch
wiring is loose.
Replace the wiring
Check if the water in
the tank is enough
Check if the installation of
tank temp sensor is correct
Check if the gas valve and
liquid valve are fully open
Check if the electric expansion
valve can work normally
Fill the tank with the water
Install rightly the
tank temp sensor
Fully open the valve
Replace the electronic
expansion valve
yes
no
yes
no
no
no
yes
yes
yes
yes
no
