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P a g e
Troubleshooting
All observations for potential faults need to be conducted in clear daylight conditions.
Observation
Fault
Dim/flickering LCD display
& lights
Should this occur in bright sunshine please
contact your installer. No Fault if seen in low
light conditions. Re-check in brighter
conditions.
Please see note in Frequently Asked Questions
Flashing temperature
lights (Orange LEDs)
Fault with storage water temperature sensor or
internal temperature of the enclosure is too
high e.g. Controller mounted in full direct
sunshine.
No heating light
(Green LED)
Element not powered. The controller will only
energise the element when there is enough
solar energy available and the storage water
temperature is below the set point. If clear
conditions, the water is cold and no green light
appears, contact your installer. Also see FAQ.
Heating light on but no hot
water. (Green LED)
Not enough heating time has passed. Allow
more time for heating. If light is on but LCD
display shows no Power (Watt) figure contact
your installer. Possible Element Fault.
Flick of green light
(Green LED)
Approximately every 20 seconds. This is the
unit testing the power available. A high voltage
may display but no current may be available.
Not enough sunlight to engage element.
No power light.
(Red LED)
Not enough power being produced by the main
arrray. If in clear conditions contact your
installer.
No temperature lights
(Orange LEDs)
Average water storage temperature is below 32
degrees Celsius
