Electrical Problems; Emergency Function - Fluid Circuit - Hardi MERCURY 2000 Instruction Book

Axial-centrifugal
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7 - Troubleshooting

Electrical problems

Emergency function – Fluid circuit
In the event of power fault, the EVC/2 operating unit can be used manually. First disconnect the wire from the control box.
Then manually turn the green throttle valve on each electric motor to open or close the valve.
The problem may result from a blown control box fuse.
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Arrow 2000

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