6-10
GETTING STARTED
Troubleshooting
(a) If the pump will not run:
• Check at least one tap is open
• Turn the pump isolation switch off and on again
• Check the battery condition
• Check the mains isolator switch is on
• Check the pump isolator switch is on
• Check the contacts in the plug and socket are clean and making contact
• Check wiring connections
• Check fuse (see fuse box)
(b) If the pump cylces on/off with all taps and shower closed:
• Check for air or water leaks in taps and piping
• Check that non return valve in socket is free from grit by pushing a suitable blunt object,
for example a ballpoint pen into the socket nipple against the non-return valve holding
the valve open to dislodge trapped grit.
• Recalibrate the system (see calibration section of the installation section)
(c) If pump motor runs steadily and does not stop after 30-40 seconds:
• Check all connections in pipework
• Recalibrate the system
Diagnostic Codes
To aid with troubleshooting the LED on the back of the Watermaster IC has a number of different
flash codes as described in the table below:
LED State Description
Green Constant On Tap open, pump running
Green Fast Flash (< 1 sec) In Calibration Mode
Green 200ms blink every 5 sec Calibrated and ready for use
Green 200ms blink every 10 sec Un-calibrated
Green 200ms blink every 15 sec Suspended due to dry run need to turn pump switch on
and off
Green 200ms blink every 20 sec Suspended due to low battery voltage, turn pump switch
on/off, need to charge battery
Winterising
Watermaster IC does not require any additional winterising. For details of how to drain your
water system for winterising please see www.whalepumps.com/rv.
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