Atag i24S - Pump LED Indicators; WILO Para 15;7-60;IPWM1 Pump Operational LEDs

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3. 61% load the voltage is +/- 1.9VDC.
4. 100% load the voltage is +/- 0.24VDC.
d. If the voltages are incorrect, replace the PCB.
e. If the voltages are correct, replace the pump.