|Error No.||Explanation||Corrective measures|
|7507||Motor-protective circuit-breaker of the fan has tripped||• Check function of the fans.|
• Clean the fans.
• Clean dirty fan inlets and ventilation plates
This fault occurs when the Stack Fan detects a problem with the incoming AC power. The fan will attempt to protect itself and generate this error. Power cycling the inverter for 5 minutes should resolve the issue. If not the heat sink fan will need to be replaced.