5-8
5
General
5.4
WATER SYSTEM - FAULT FINDING
5.4.1
FAULT -
Water not flowing from any tap when operated but pump runs
Cause
Cure
Water source empty
Check water level and re-fill if necessary
Pump wired in reverse
Check wiring, refer to pump manufacturers’
instructions
Pump not primed
Refer to pump manufacturers’ instructions
Pipe inlet or outlet pipe disconnected
Check connections
Pump pipes restricted by kinking
Check pipe runs
Blockage in pump inlet or outlet pipe
Check, starting inside freshwater tank
Blocked in-line filter or pump filter
Replace filter
Air leak in suction line to pump
Check for bubbles & secure with a clip
5.4.2
FAULT -
Pump does not run
Cause
Cure
Pump or tap incorrectly wired
Refer to pump/tap manufacturers’ instructions
Pump fuse blown
Check wiring connections and then replace
with fuse of correct rating
Battery disconnected
Check connections
Pump seized or overheated
Refer to pump manufacturers’ servicing
instructions
If a pressure pump is being used,
Refer to tap manufacturers’ servicing
pressure sensing switch may have failed
instructions
If a switched tap is being used, the switch
Refer to pump manufacturers’ servicing may
have failed
instructions
5.4.3
FAULT -
Water flows from cold tap but has reduced flow from hot
Cause
Cure
Feed pipe to water heater incorrectly
Refer to installation instructions
connected to the heater outlet
Blockage in hot pipeline
Disconnect pipes and inspect
Heater inlet or outlet pipes kinked
Check and re-route if necessary. Ensure that
preventing flow
hose is Carver recommended type
Hot tap not connected
Refer to installation instructions
Hot tap failed or blocked
Disconnect and inspect
Heater non-return valve jammed
Seek service attention
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