Technical information

132
Chapter 5 GENERAL
WATER SYSTEM - FAULT FINDING
FAULT - Water not flowing from any tap when operated but pump runs
Cause Cure
Freshwater tank empty Check
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 Dismantle and clean
Air leak in suction line to pump Check for bubbles & secure with a clip
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
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