User manual

APPENDIX C – TROUBLESHOOTING
25
ENGLISH
PROBLEM POSSIBLE CAUSE PROPOSED SOLUTION
Entry tap closed. Open the tap.
Water work pressure insufficient. Check the water pressure.
Solenoid valve filter clogged up Clean the filter (see rear view, page 5).
Pressure switch failure. Replace the pressure switch.
Inlet solenoid valve failure. Replace the solenoid valve.
Alarm:
lack of water (red
LED blinking)
Active carbon filter clogged up. Replace the active carbon filter.
Resin filters depleted. Replace the resin filter assembly. Alarm:
Poor outlet water
quality (red LED
blinking)
Osmotic membrane depleted.
Prepare to replace the osmotic membrane
shortly
Resin filters almost depleted. Prepare to replace the resin filters shortly. Alarm:
Sufficient outlet
water quality
(yellow LED
blinking)
Osmotic membrane almost depleted.
Prepare to replace the osmotic membrane
shortly.
Continuous working time exceeding 20
minutes.
Turn off the demineralizer and turn on again
(or push again the tap’s button).
Start/stop signal cable detached Connect the cable.
Feeding tank’s float failure. Replace the float.
Alarm signaling for inlet water lack or internal
leak
Remove the problem.
Lack of the power supply. Remove the cause.
Alarm signaling for poor outlet water quality. Replace the resin filter assembly.
The demineralizer
does not deliver any
water.
Pump failure. Replace the pump.
Pump failure. Replace the pump.
Resin filter and/or active carbon filter clogged
up.
Replace the resin filter and/or the active
carbon filter.
Low outlet flow rate
Osmotic membrane clogged up. Cleanse the osmotic membrane or replace it.