Page 69 - 2017-Swift-Group-Motorhomes-Handbook-web

PRESSURE SWITCH TROUBLESHOOTING

SERVICES Troubleshooting Pump continues to run (for more than 5
seconds) after taps are closed or pump
Pump will not start, when the tap turns on for no reason:
is opened:
• C heck for leaks on the high pressure side of
• Check fuse(s). the pump.

• Check power source(s), and ensure there is • E nsure water system has been primed
sufficient voltage to run the pump. correctly, as per the handbook, and there are
no air-locks present.
• Ensure 'pump' LED is illuminated.
• E nsure the pump is securely mounted.
• U sing a multi-meter, ensure there is power
at the pump. If not, refer to your dealer as • E nsure the piping on the high pressure side
there maybe damaged cabling or a fault with of the pump is in good condition (not blowing
the fusebox. or deforming).

• Is the pump hot? If so, allow to cool • T he pressure switch may need adjusting.
before retrying. (See pressure switch paragraph in this
section for how to do this)
• H as the vehicle been stored over winter?
was it correctly winterised? If no, the pump Noisy or rough operation
may have frozen, causing permanent
damage. • Check for leaks on the high pressure and low
pressure side of the pump.
• The pressure switch may need adjusting.
(See pressure switch paragraph in this • E nsure that all pipes (especially those
section for how to do this) within 150mm of the pump) are not touching
any furniture.
Pump runs, but will not pressurise system
(i.e. no or little water being discharged • Ensure the pump is securley mounted
from taps) - Not Pulsing:
Pump rapidly cycles (switches on or
• E nsure that there is water in the fresh off) or water pulses from taps, including
water tank. temperature pulsing:

• Check in-line filter is free from debris and • Check for leaks on the high pressure and low
correctly fitted. pressure side of the pump.

• E nsure water system has been primed • E nsure there are no restrictions in the
correctly, (see priming the water system plumbing
page 53), and there are no air-locks present.
• The pressure switch may need adjusting.
• Ensure there are no restrictions in (See pressure switch paragraph in this
the plumbing. section for how to do this)

• Using a multi-meter, ensure there is power
at the pump. If not, refer to your dealer as
there maybe damaged cabling or a fault with
the fusebox.

• Ensure the inlet side of the pump is
watertight and not allowing air into
the system.

• Using a multimeter check that the voltage is
between 10 and 14.5 volts. If not, refer to
your dealer.

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