///Pump will not start
Start, power & alarms
Pump will not start
Most no-start problems are safety circuits or power.
Safety first: Switch off the pump, release all pressure (open the on/off valve or bleed-down valve) and lock out before you open any high-pressure part. Never put a hand or tool near a running jet.
1Check the causes, most likely first
0 of 4 checked
01E-stop pressed
Most likely
An e-stop anywhere blocks the start.
How to check: Pull out all e-stop buttons, including remote ones.
| Photo | Art. no. | Description | Excl. VAT | |
|---|---|---|---|---|
 | 10640 | Pressure switch, 60 PSI, 05142062
Gauge & sensorKMT |
€ 274.80 | |
 | 10641 | Pressure switch, 30 PSI, 05140751
Gauge & sensorKMT |
€ 278.40 | |
 | 10691 | Manometer 6000 PSI / 400 Bar
Gauge & sensorKMT, BFT, Flow, WSI |
€ 76.80 | |
 | 10692 | Manometer 80000 PSI / 5500 Bar
Gauge & sensorKMT, BFT, Flow, OMAX |
€ 860.40 | |
 | 10782 | Hyd. Pressure Gauge, 0-400 Bar, 05045497
Gauge & sensorKMT |
€ 114.00 |
02Motor overload or breaker tripped
Possible
Protection has tripped.
How to check: Find the cause, then reset.
03Inlet water valve closed or low inlet pressure
Possible
The pump will not start without water.
How to check: Reset the water valve; check inlet pressure.
04Enclosure door or key switch
Less likely
Safety switch open.
How to check: Close doors; check key switch.
Related problems
General advice based on manufacturer manuals and service practice. Always follow the manual of your machine. Not sure? .