Dometic CWP 5311 user manual If the Water Purifier Stops Working, Pulsating water flow

IF THE WATER PURIFIER STOPS WORKING

Pulsating water flow

If the water purifier is delivering a pulsating flow, the purifier is in standby or the UV lamp is heating up. The water is not purified. Do NOT drink this water.

Use the trouble-shooting table to rectify the problem that has led to the pulsating flow.

Bypass the water purifier

If the water purifier is malfunctioning and you need water from the tank, the purifier can be bypassed. Always try to repair the purifier first.

1.Shut the water purifier off by pressing the ON/OFF button.

2.Press the ON/OFF button (approx. 10 seconds) until red lamp lights up on the panel. Release the button. All 3 lamps will flash.

3.Open the cold-water tap. The water purifier will work for 5 seconds, shut down for 5 seconds, work for 5 seconds and so on. This is to remind you that the water is not purified.

The water delivered from the water purifier is not purified. Do NOT drink this water.

Trouble-shooting guide

Lamp off

Lamp on

Lamp flashing

SYMPTOM	CHECK/REMEDIAL ACTION
	• The water purifier is not receiving power.
	- Is the mobile home’s main power on?
	- Is the safety switch in the central electrical unit turned on?
	- Is the water purifier switched on?
	- Is the top cover in place?
	- Check that the water purifier is connected to power.
	- Check the fuse on the caravan’s/mobile home’s distribution board.
	- Check the fuse in the water purifier.
	- Check that all the wires are intact.
	• The UV lamp is heating up. If the tap is opened, a pulsating flow of water that has not been purified will be produced.
	- Wait until the lamp glows with a steady green light. The water purifier is now ready to be used.
	• Time for filter replacement.
	- Change filter in accordance with section “Replacing filter”.
	• Emergency stop due to filter not having been replaced.
	- Change filter in accordance with section “Replacing filter”.
	• UV chamber has a lime deposit
	- Descale the water purifier in accordance with section ”Descaling”.
	• The UV lamp is not working.
	- Change UV lamp in accordance with section “Replacing UV lamp”.
	• Leakage inside the water purifier.
	- Check that the filter lid and hoses are properly tightened.
	- Disconnect the water purifier and empty the leaked water through the hole on the front of the cover.
	- Connect the water purifier. If leakage occurs again, call Service.
	• The water purifier is bypassed.
	- The water purifier is not working. If you cannot rectify the problem, call Service.
	• Voltage to the purifier is low.
	- Is another appliance connected to same circuit at the same time, e.g. TV? Shut down other appliances.
	• Mobile home’s/caravan’s battery level low.
	- Charge the battery.
	- Check that the wiring is in accordance with the data in the installation section.
	• The water purifier is in standby or the UV lamp is heating up.
Pulsating flow
	- Check the water purifier’s control panel and read off the fault code.
The water has an	• The purifier has not been used for a long period.
unpleasant taste	- Flush the purifier for 2 minutes.
and/or odour	- Change filter according to section “Replacing filter”.
	- Disinfect the system (tank, hoses and water purifier).

If you are still having problems with your water purifier after having read through and tried the procedures described in the trouble-shoot- ing table, contact your dealer.

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