PulsaCoil A Class Red Light Flashing Slow Or Fast?

PulsaCoil A Class red light flashing can mean a few things.

We will quickly cover what it can mean and how it can impact you. It is better that the red light flashes and tell you a fault exists, then not flashing and a major problem occurs.  

PulsaCoil A Class Red Light Flashing Slow

The PulsaCoil A Class red light flashing slow (about 1 flash a second) can mean the following:

• PulsaCoil A Class has cooled down and boost is available to use
• The immersion element is faulty and not working
• Contactor or relay has become faulty
• PCB is faulty and not working correctly
• Very rare situation that the Relpol Relay has a fault or has been damaged
• Front panel display is faulty

If you are getting hot water without using the boost. Have hot water in the morning. Then all your PulsaCoil A Class red light flashing means is the boost is available to use as the system has cooled down. If you have no hot water in the morning. This can mean one of the five faults exist. Or even more than one. In this case we would recommend you call an expert. 

PulsaCoil A Class Red Light Flashing Fast

The PulsaCoil A Class red light flashing fast (2 + flashes a second) can mean one thing. An overheating fault. The following can be the cause:

• Overheat sensor faulty
• Power relay or contactor faulty
• PCB is faulty
• Incorrect wiring

When the system displays a rapid red light fault it should be seen to immediately by a professional. In some cases it has been known to cause steam coming from the unit, damaging the cupboard, door and door frame surrounding the unit.