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C. Manually engage the valve.
The coil may not be getting enough voltage to open the valve, or the valve could be stuck. Try to
manually engage the valve by pressing manual indent while engaging the motor (engage the motor by
pressing the up or down function on the yellow remote, or pressing the manual up or down function of
on the pH controller—engage the motor using based on which function you're trying to replicate)
Figure 7a and 7b
Press the indent on the valve appropriate valve function;
See figure 6
If it moves, then check coil resistance, and low power condition. Replace coil if ohm reading shows open,
or above 8ohms.
Check the top and bottom
prongs on the coil. Standard
resistance is 4 ohms.
Figure 8
Simultaneously press the indent and
engage the motor using the
standard hydraulic remote, or U3
pH controller UP/Down switch
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