If the fan spins freely by hand but does not rotate when powered, unbolt the front grill panel to unplug and replace the modular fan assembly. 6. Maintenance & Care
Fix: Inspect the fans for physical blockages. Clean out dust using compressed air. If the fan remains stationary while the unit is hot, the fan assembly or the rectifier module must be replaced. Yellow LED Is On (Minor Alarm) zxd 3000 user manual
One or both internal cooling fans have stopped spinning or are blocked by dust. If the fan spins freely by hand but
Access the menu on your controller software. Select the specific ZXD3000 module via its slot ID. Navigate to Parameters -> Voltage Setup . Change the value (Default: 53.5V). Click Save/Apply . Clean out dust using compressed air
: Some clones of the ZXD 3000 use a different command protocol. Confirm by sending *IDN? – if no response, use the manufacturer’s dedicated software.
Use a multimeter to check the input AC voltage at the shelf terminals. If the voltage drops below 150VAC, the rectifier automatically derates its output capacity and triggers an alarm. Issue 3: Fan Error (Red or Yellow LED)