There can be many reasons for issues to arise with ventilation systems that may affect how the product performs.
The following are steps to address common issues or to establish whether a service call is required.
Is there sunlight?
On darkly overcast days, at night time and when in shade, a solar panel may not be capable of generating sufficient power to run the ventilation system.
Is the Fan Spinning?
If the fan is not spinning, check for obstructions. If no obstructions are present the fan may not be getting enough power from the solar panel
Is it cloudy?
A solar panel should be capable of providing power at a reduced output even on cloudy days. Depending on the light level available this may or may not be enough power to run the ventilation system.
Is the solar panel oriented to a northern aspect?
The solar panel generates an optimum output when facing north in order to maximise the amount of sun that reaches the panel throughout the day.
Is the solar panel in shade?
Even partial shade can significantly affect operation of a solar panel. As little as a quarter of the solar panel experiencing shade can significantly affect power output even if the rest of the panel is in full sunlight.
Is anything obstructing the solar panel?
Any foreign matter (such as dirt or bird droppings etc.) on the solar panel can significantly affect the power output of a solar panel.
Are any incidental shade events occurring?
Shade events can include cloud passing in front of the sun, a bird or flock flying, planes passing overhead, or shade from trees or buildings as the sun moves, these events briefly or periodically cast shadow on the solar panel thus affecting performance.
Are the electrical cables connecting the unit securely connected?
Check the cables that connect the solar panel to the fan. If at any point the cables are loose or disconnected, then the ventilation system may not run.
Are the electrical cables connecting the unit consistent with the wiring diagram?
Follow this link to the Solar Whiz™ Accessory Wiring Diagram.
If the cables are not connected in accordance with the wiring diagram, the ventilation system may not run
Is the night operations kit turned on at the power?
The ventilation system will not operate at night unless powered by either battery or a night operations kit. If the night operations kit is not turned on at the power, the system will not run.
Is the thermostat set to 'Cool' and 'High'?
If an adjustable thermostat control is in use then it must be set to the ‘cool’ setting and the ‘high’ setting. Settings other than these will affect the operation of the system.
What temperature is the thermostat control set to?
We recommend around 25 degrees as an optimum temperature setting for the thermostat control. If the system does not start when you wish it to, try turning the dial to a lower temperature until the system starts.
Have you disconnected any accessories?
To rule out issues with accessories, please disconnect all accessories and connect the ventilation system with no accessories attached. If the problem persists when no accessories are attached this may indicate an issue with the ventilation system. If the ventilation system runs with no accessory attached, this may indicate an issue with the accessory.
Do you have access to a multi-meter
If you have access to a multi-meter, is any power measurable from the solar panel? In the event that no power is measurable from the solar panel, this may indicate an issue with the solar panel or the cables from the solar panel.
Test Voltage on open circuit.
If you have access to a multi-meter, measure the voltage with no appliance connected to the solar panel. Does the voltage output fall in the range between the operating voltage (Pmax) and the open circuit voltage (Voc) – You will find these figures on the label on the reverse of the solar panel.
Test voltage on circuit under load
If you have access to a multi-meter, measure the voltage with the appliance connected to the solar panel. Does the voltage output measured exceed 75% of the of the operating voltage (Pmax) when measured in full sun?
If you complete this guide and an issue is evident, please contact GES or submit a warranty claim here: Warranty Claim