HygroMatik WL-ROL 160-1200 Series, Руководство пользователя

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Page 64
List of possible faults and error codes (sequel)
Problem Possible cause Action
Check pump P, make sure it is running correctly,
replace it if necessary.
Readjust the pressure to the sizing values and
adjust the bypass inside pump P if necessary.
Increase the pressure loss at the membrane
due to blockages caused by hardness minerals
Check the process parameters and contact the
supplier to arrange for replacement of the
membrane(s) if necessary.
Adjust or reset the flow rate and pressure to
match the process values.
Check the electrical connections.
Blocked piping. Correct the cause.
If necessary, check the water supply or adjust the
shut-off valves in front of the system.
Filter cartridges blocked. Replace the filter
elements.
The parameters of the water entering the
system have changed.
Contact your supplier or the manufacturer.
The pressure switches installed on the PVC
distributor of the permeate are not working
correctly or are not calibrated.
Check the function of the pressure switches and
replace them if necessary.
Inlet pressure of the expansion vessel is too
low. Membrane of the expansion vessel is
damaged.
Check the inlet pressure of the expansion tank
and replace it if it is damaged.
Control board or the solenoid valve coil is not
supplied with voltage.
Restore the power supply to the control board
and/or check the connections and the solenoid
valve supply.
Solenoid valve is defective. Replace the solenoid valve.
Incorrect pressure.
Check the water inlet pressure.
Process parameters not correct. Check the parameter settings.
High permeate conductivity The membrane(s) is/are blocked or
contaminated.
Replace the membrane(s). Contact your supplier
or the manufacturer.
Check the water inlet pressure.
Check the function of the solenoid valve.
Decreasing flow rate
Blocked filter cartridges. Replace them.
The pressure switches doesn`t supply a signal. Check the connections and the function of the
pressure switches and replace them if necessary.
The fuse that protects the pump is blown. Replace the fuse and test pump operation.
The system does not carry out the set
sequences.
Power supply failure. Check the power supply.
The osmosis production does not start
although it is activated and no alarm has
been given.
Low water pressure Inlet valves closed
Reduction of the permeate rate.
Decrease of permeator inlet pressure
The pressure switches have lost calibration, are
worn or no longer function correctly.
Reduction of the water flow rate.
Immediate stop (within one minute after
start-up).
The solenoid valves do not open
Low water pressure