Most breakdowns come down to a handful of causes: a failed pump, a choked membrane, a burnt SMPS or adaptor, a cracked fitting, or a solenoid valve that has stopped closing. We diagnose on site rather than swapping parts speculatively, so you pay for the part that failed and not for a guess.
Common symptoms map fairly reliably. Water that has slowed to a trickle usually means a clogged pre-filter or a tired membrane. Continuous drain flow points at the valve. A dead unit is normally the adaptor rather than the board. Bad taste after a long gap often means the filters were left sitting wet rather than anything mechanical.
You get the quote before we start. If the repair does not make economic sense against the age of the machine, we will say so — replacing a five-year-old cabinet with a failing pump and a due membrane is sometimes the cheaper answer, and we would rather tell you that than sell you two repairs.
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