HydroLogic Hydroid, User Manual

Page: 33 / 38

Hydroid
– Series User Manual
33 04/19
TROUBLESHOOTING
Hazardous voltages are present when power is applied to the controller. Pressing the
Power key
DOES NOT remove these voltages. The power must be disconnected
from the power source. When connecting or disconnecting any wiring to the unit, be
sure the power is turned off at the disconnect or breaker. NOTE: If controller fuse F1 is blown,
none of the outputs will operate. If controller fuse F2 is blown, the controller will be inoperative.
Contact Hydrologic for further instructions 888-426-5644.
System Inoperative
Is the water quality display lit? If no, check fuse F2 located below the transformer. If the fuse is
OK, use a voltmeter to verify that power is applied to power terminals L1 and L2. If power is
applied to the power terminals and the above checks are OK, the board may be defective and
should be replaced. If no power is applied to the board, check the power wiring to the controller.
Inlet valve will not operate
Is the controller off? If no, are any shut down conditions active? If no, is the inlet LED, I2 lit? If
no, replace the board. If yes, check fuse F1. If bad, replace the fuse. If it is OK, check the inlet
terminals for power. Is there power? If no, replace the board. If yes, check the valve and valve
wiring. meter
RO Pump Will Not Operate
Is the controller off? If no, are any shut down conditions active? If no, is the RO LED, I1 lit? If
no, replace the board. If yes, check fuse F1. If bad, replace the fuse. If it is OK, check the RO
pump terminals for power. Is there power? If no, replace the board. If yes, check the pump
motor and motor wiring.