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Malfunctions and solutions (not shown on the LED display)
Malfunctions
The pump is not
running
The water tem-
perature is cool-
ing when the HP
runs during the
heating mode
Short operation
Water drops
Too much ice on
the evaporator.
MV-1401-1402-1403-1404-10-2021 . © All rights reserved Swim & Fun A/S
Observation
Reasons
LED wire controller
No power supply con-
No display
nected
The LED wire con-
The heat pump is set
troller shows the
to standby
actual time.
The LED wire con-
1. The water tempera-
troller shows the
ture is about to reach
actual water temper-
the set value, HP dur-
ature.
ing constant tempera-
ture status.
2. The heat pump
starts to run.
3. During defrosting.
The LED wire con-
1. Choose the wrong
troller displays the
mode.
actual water temper-
2. The figures show
ature and no error
that there are faults
code is displayed.
3. Controller fault.
The LED displays the
1. The fan is not run-
actual water temper-
ning
ature, no error code
2. Insufficient air ven-
is displayed.
tilation.
3. Insufficient refrig-
erant.
Water drops on the
1. Moulding
heat pump unit.
2. Water leakage.
Too much ice on the
evaporator.
Solution
Check cable and the circuit breaker if it
is connected
Start the heat pump
1. Check the water temperature setting.
2. Start the heat pump after a few min-
utes.
3. The LED wire controller should dis-
play "Defrosting".
1. Adjust the mode to run properly
2. Replace the defective LED wire con-
troller, and then check the status after
changing the running mode, check the
water inlet and outlet temperature.
3. Replace or repair the heat pump unit.
1. Check the cable connections between
the motor and fan, replace if necessary.
2. Check the location of the heat pump
unit, and eliminate all obstacles to en-
sure good air ventilation.
3 Replace or repair the heat pump unit.
1. No action.
2. Check the titanium heat exchanger
carefully for any defects.
1. Check the location of the heat pump
unit, and eliminate all obstacles to en-
sure good air ventilation.
2. Replace or repair the heat pump unit.
UK
151
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