Gree VERSATI SERIES, Service Manual

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104
Air to Water Heat Pump
Service Manual- Versati Series
NBJOUFOBODF
2 FLOW CHART OF TROUBLESHOOTING
(1) Comp High-pressure Protection E1
Comp High-pressure protection E1
Check if the water in
the tank is enough
Check if the installation of
tank temp sensor is correct
Check if the electric expansion
valve can work normally
Install rightly the
tank temp sensor
no
yes
yes
no
yes
no
yes
Check if the gas valve and
liquid valve are fully open
Fill the tank with the water
Fully open the valve
Replace the thermal
expansion valve
Check if the High-pressure switch
is broken
Check if the High-pressure switch
wiring is loose.
no
no
Replace the wiring
Replace the High-pressure
switch
yes
yes