Hydro-Pro HYDRO PRO5 Bedienungsanleitung Seite 34

8.2 Other Malfunctions and Solutions (No display on LED wire controller)
Malfunctions Observing
LED wire controller
no display.
LED wire controller.
displays the actual time.
Heat pump is
not running
LED wire controller
displays the actual
water temperature.
Water
temperature LED wire controller
is cooling displays actual water
when HP runs temperature and no error
under heating code displays.
mode
LED displays actual water
Short running temperature, no error code
displays.
Water stains on heat pump
water stains
unit.
Too much ice Too much ice on
on evaporator evaporator.
Reasons
No power supply
Heat pump under standby
status
1. Water temperature is
reaching to setting value, HP
under constant temperature
status.
2. Heat pump just starts to run.
3. Under defrosting.
1. Choose the wrong mode.
2. Figures show defects.
3. Controller defect.
1. Fan NO running.
2. Air ventilation is not enough.
3. Refrigerant is not enough.
1. Concreting.
2. Water leakage.
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Solution
Check cable and circuit
breaker if it is connected
Startup heat pump to run.
1. Verify water
temperature setting.
2. Startup heat pump
after a few minutes.
3. LED wire controller
should display
"Defrosting".
1. Adjust the mode to
proper running
2. Replace the defect
LED wire controller, and
then check the status
after changing the
running mode, verifying
the water inlet and outlet
temperature.
3. Replace or repair the
heat pump unit
1. Check the cable
connections between the
motor and fan, if
necessary, it should be
replaced.
2. Check the location of
heat pump unit, and
eliminate all obstacles to
make good air
ventilation.
3 Replace or repair the
heat pump unit.
1. No action.
2. Check the titanium
heat exchanger carefully
if it is any defect.
1. Check the location of
heat pump unit, and
eliminate all obstacles to
make good air
ventilation.
2. Replace or repair the
heat pump unit.