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APPENDIX C – TROUBLESHOOTING

INTRODUCTION

If you run into a problem or alarm while using the equipment, you should not be immediately concerned.

It may not, in fact, be related to a breakdown but, more probably to an anomalous situation, often merely transitory (such

as a blackout), or incorrect use.

In any case, it is important to first identify the cause of the anomaly and then take suitable corrective action, either

autonomously or with the help of the Technical Support Department (see Appendix Z).

For this purpose, below, we provide instructions for diagnosing and resolving general problems.

At the starting on

It is possible that at the start of operation, and also in normal condition, the red LED (signaling poor outlet water quality)

lights for a few seconds; this situation is normal.

On the contrary, if the LED remains lit for a time longer than 10 seconds (matched with the acoustic alarm), the

equipment enters in blocking status; in this case it will be necessary to replace the resin filter and/or the osmotic

membrane.

This fault condition is preceded by an intermediate phase during which Milldrop, even if correctly operating, turns on the

yellow LED (matched with the acoustic alarm) to signal that the filter replacement is coming near.

Milldrop unused for a few days

Should the equipment be unused for a few days, the red LED could remain lit for a time longer than 10 seconds at the

subsequent starting on, so resulting in the blocking of the equipment. In this case switch off the unit and switch on it

again. If the problem occurs again, replace the filter.

NOTE

HOULD YOU FORESEE NOT TO USE THE EQUIPMENT FOR MORE THAN 20 DAYS, WE SUGGEST TO EMPTY

THE EXTERNAL TANK WHENEVER PROVIDED

ANALYSIS AND RESOLUTION OF PROBLEMS

If your demineralizer is not working correctly, please make the following checks before calling the Technical Support

Department:

PROBLEM POSSIBLE CAUSE PROPOSED SOLUTION

The power cord is not plugged-in. Plug it in.

There is no voltage at the socket.

Check the cause of the lack of voltage at the

socket and fix it.

The main switch and/or differential switch are

OFF.

Turn the switch ON.

The demineralizer

does not

power-on.

The mains fuses or the on-board fuse are

blown.

Replace with new fuses of same rating value.

(See Summary Table in Appendix A).

Water leak inside the equipment.

Remove the water leak cause and dry the

internal parts well.

Alarm:

water leak (red LED

blinking)

Electronic board failure. Replace the electronic board.