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20.3 Malfunctions and resolutions
Malfunctions
Units doesn`t work
High pressure side
of the compressor
higher than normal
Low pressure side
of the compressor
lower than the
normal value
No hot water
comes out of the
outlet.
Causes
1. Power supply failure
2. Power supply connection failure
3. Power supply fuse failure
1. Too much refrigerant
2. Poor heat on evaporator
1. Not enough refrigerant.
2. The filter or the capillary is blocked
1. Tap water has been closed
2. Water pressure is too low
3. Inlet valve has been closed
1. Cut down the power supply switch and
check power supply.
2. Check out the reason and recover it.
3. Renew the fuse after check.
1. Contact your local service. Discharge
over-charged refrigerant.
2. Clean the evaporator.
1. Contact your local service. Check if the
system is leaking and fill the system with
refrigerant.
2. Contact your local service. Change the
capillary or filter
1. It'll return to normal after tap water is
supplied.
2. Run the unit when the water pressure is
higher.
3. Open the inlet water valve.
27
Resolutions
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