swimmax 07iPS - Page 31

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8.2 Other Malfunctions and Solutions (No display on wire controller)
Malfunctions
Observing
Reasons
Solution
Heat pump is
not running
LED wire controller
no display.
No power supply
Check cable and circuit breaker
if it is connected
LED wire controller.
Displays the actual time.
Heat pump under
standby
status
Startup heat pump to run.
LED wire controller
displays the actual
water temperature.
1. Water temperature is
reaching to setting value,
HP under constant
temperature status.
2. Heat pump just starts
to run.
3. Under defrosting.
1. Verify water temperature
setting.
2. Startup heat pump after a few
minutes.
3. LED wire controller should
display "Defrosting".
Water temperature
is cooling when
HP runs under
heating mode
LED wire controller displays
actual water temperature and
no error code displays.
1. Choose the wrong
mode.
2. Figures show defects.
3. Controller defect.
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
Short running
LED displays actual water
temperature, no error code
displays.
1. Fan NO running.
2. Air ventilation is not
enough.
3. Refrigerant is not
enough.
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.
Water stains
Water stains on heat pump
unit.
1. Concreting.
2. Water leakage.
1. No action.
2. Check the titanium heat
exchanger carefully if it is any
defect.
Too much ice on
evaporator
Too much ice on evaporator.
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.