Customer support
Is your installed solar water heating system not performing as it should? Green Heat provides guidelines to help you resolve any issues. If the problem persists, please fill out the contact form below and our team will contact you.
Common questions with regards to an installed system
Wired display is off as well as WiFi link
Possible cause:
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Ripple Control by the power company
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The isolator switch or circuit breaker is off
Power companies have control over the power of your hot water cylinder and can switch it off at any time with a remote signal to reduce the load on their grid during high usage times.
Action:
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The solar water heating will not be affected and will keep on heating to a maximum temperature of 75⁰C after which the Eco Solar Controller will have an orange LED indicator flashing.
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Wait for the power company to switch the system back on and it might take up to 6 hours.
Error codes on the display or on your app
E2
Dry burn protection
Possible cause:
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An empty hot water cylinder
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Temperature probe installed too close to the element
This happens when the smart controller pick up a rapid temperature climb inside the tank which is not normal for water heating.
Action:
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Open water tap to check if the cylinder have water
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Move temperature probe further away from the element
Error codes on the display or on your app
E3
Sensor failure of temperature probe
Possible cause:
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The sensor is not properly plugged in
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Damage to the sensor wire
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Faulty sensor
This happens when the smart controller does not detect a connected temperature probe.
Action:
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Replace sensor
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Check electrical connections and/or plug in control unit
Error codes on the display or on your app
E4
Heating loss
Possible cause:
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Leaking hot water pipe
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Faulty valve
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Scale build up
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No power supply to the AC side of the element
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Faulty heating element
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Water usage high during time when element heats with AC
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Mechanical thermostat activated
This happens when you have activated the AC element either by timer or manually and the water temperature does not increase as its suppose to.
Action:
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Inspect system for leaks or faulty valves
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Set mechanical thermostat to 70ᵒC
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Change timers to switch off the heating cycle before starting to consume water
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Replace the PTC cartridge
Error codes on the display or on your app
E5
Over temperature protection
Possible cause:
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Hot water cylinder over 85ᵒC
This often happen when a wetback system heats the water to higher temperatures.
Action:
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Open hot water tap to reduce temperature in hot water cylinder
Error codes on the display or on your app
E7
Communications failure
Possible cause:
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Poor contact or damaged cable
The control box and the display struggle to communicate with each other
Action:
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Check communications wire between control box and display unit