Auto-Sleepers Campervan Owner's Handbook (2023)
Official technical documentation and workshop diagnostics for Auto-Sleepers Campervan Owner's Handbook (2023).
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
N/A | Water pump will not run (Water system) | Check contacts in plug and socket are clean and making contact. Check wiring connections. | DIY Safe |
N/A | Water pump cycles on/off with tap closed (Water system) | Check for air or water leaks in taps and piping. Re-adjust pressure switch. | DIY Safe |
N/A | Water pump motor runs steadily and will not stop (Water system) Possible Cause: There is no water in the container, battery voltage may be too low (at or below 10.5 volts), or connections in pipe-work are loose. | Check that there is water in the container. Adjust pressure switch and/or recharge battery. Check all connections in pipe-work. | DIY Safe |
N/A | Water pump runs continuously, even with the taps closed (Water system) Possible Cause: Present voltage could be significantly lower when last adjusted, or water container may be empty. | Re-adjust switch or refill container. | DIY Safe |
N/A | Water pump does not run at all, fuse is not blown and connections are intact (Water system) Possible Cause: Excessive continuous running. | Replace pump and readjust switch. | DIY Safe |
N/A | Water pump runs intermittently ON, OFF, ON, OFF etc. / pulsing flow from tap / inability to set constant water temperature (Water system) Possible Cause: Present voltage is significantly higher than when last adjusted. | Readjust pressure switch and if problem persists add a Whale Surge Damper. | DIY Safe |
N/A | Water pump runs very noisily but does not pump water (Water system) Possible Cause: Pump is air-locked and is fighting to get air out and water in (likely to occur after water container has been refilled). | Unplug from the socket, allowing pump to flood and reconnect by plugging in again. The correct sequence when refilling the container is to unplug, put pump into container, then reconnect. | DIY Safe |
N/A | Habitation 12V does not operate Possible Cause: Main 20A fuse blown | Check/Replace | DIY Safe |
N/A | Habitation 12V does not operate Possible Cause: Battery Discharged | Recharge | DIY Safe |
N/A | Habitation 12V does not operate Possible Cause: Switch on control panel in off position | Switch to on | DIY Safe |
N/A | Habitation 12V does not operate Possible Cause: Vehicle ignition ‘on’ | Switch ‘off’ ignition | DIY Safe |
N/A | Habitation battery not charging Possible Cause: Main 20A fuse blown | Check/Replace | DIY Safe |
N/A | Habitation battery not charging Possible Cause: Relay fault | Refer to dealer | Professional Intervention Required |
N/A | Habitation battery not charging Possible Cause: Contacts dirty/loose on battery terminals | Clean and check for tightness | DIY Safe |
N/A | Battery does not hold its charge Possible Cause: Failed battery | Electrically test and replace if necessary | DIY Safe |
N/A | Battery does not hold its charge Possible Cause: Current being drawn when not in use | Check all appliances are off | DIY Safe |
N/A | Battery discharges over a short time with appliances operating Possible Cause: Poor battery cell condition | Electrically test battery | DIY Safe |
N/A | Battery discharges over a short time with appliances operating Possible Cause: Failed battery | Change battery | DIY Safe |
N/A | Battery discharges over a short time with appliances operating Possible Cause: Battery not fully charged | Fully recharge battery | DIY Safe |
N/A | No power to one or more 12V appliances Possible Cause: Circuit fuse blown | Find fault and replace fuse withsame rating | DIY Safe |
N/A | Water pump not operating Possible Cause: Switch on panel ‘off’ | Switch it ‘on’ | DIY Safe |
N/A | Water pump not operating Possible Cause: Fuse blown | Find fault and replace fuse withsame rating | DIY Safe |
N/A | No power on 12V socket outlet Possible Cause: Fuse blown | Find fault and replace fuse with same rating | DIY Safe |
N/A | Heater not operating/ cuts out Possible Cause: Fuse blown | Find fault and replace fuse with same rating | DIY Safe |
N/A | Heater not operating/ cuts out Possible Cause: Low battery charge | Recharge battery | DIY Safe |
N/A | Heater not operating/ cuts out Possible Cause: Unit fault | Refer to dealer | Professional Intervention Required |
N/A | Heater not operating/ cuts out Possible Cause: No power | Switch on isolator switch/check MCB is on. | DIY Safe |
N/A | Heater not operating/ cuts out Possible Cause: Over temperature trip activated | Leave to cool down. | DIY Safe |
N/A | Cooker ignition not operating Possible Cause: Fuse blown | Find fault and replace fuse with same rating | DIY Safe |
N/A | Cooker ignition not operating Possible Cause: Spark unit fault | Refer to dealer | Professional Intervention Required |
N/A | Fridge gas ignition not operating Possible Cause: Fuse blown | Find fault and replace fuse with same rating | DIY Safe |
N/A | Fridge gas ignition not operating Possible Cause: Ignition control switch fault | Refer to dealer | Professional Intervention Required |
N/A | Fridge does not operate on 12V when engine is running Possible Cause: Fuse in EM40 interface box blown | Find fault and replace fuse with same rating | DIY Safe |
N/A | Fridge does not operate on 12V when engine is running Possible Cause: Fault on fridge relay | Refer to dealer | Professional Intervention Required |
N/A | 230V system inoperative Possible Cause: No site power | Check site supply | DIY Safe |
N/A | 230V system inoperative Possible Cause: RCD/MCB switches tripped out | Reset circuit breakers | DIY Safe |
N/A | RCD/MCB keeps tripping out Possible Cause: Fault on 230V supply | Refer to dealer | Professional Intervention Required |
N/A | RCD/MCB keeps tripping out Possible Cause: Faulty appliance | Turn off all appliances, Isolate faulty appliance Refer to dealer | DIY Check / Tech Fallback |
N/A | RCD/MCB keeps tripping out Possible Cause: Overload on current consumption by appliance | 10A maximum available Refer to dealer | Professional Intervention Required |
N/A | Cooker Hotplate not heating up Possible Cause: No power | Check MCB is on | DIY Safe |
N/A | Appliance will not light Possible Cause: No gas | Check isolation tap is open | DIY Safe |
N/A | Appliance will not light Possible Cause: Low battery (auto ignition) | Charge battery | DIY Safe |
N/A | Appliance lights but goes out immediately the FSD override is released Possible Cause: Flame supervision device (FSD) is not functioning correctly | Refer to dealer | Professional Intervention Required |
N/A | Odour Possible Cause: Gas leak | Turn off the gas at the isolation tap and do not use the gas system until the problem has been rectified. Open all doors and windows to disperse any gas escape. In the event of a leaking cylinder,contact the site warden and/or the local gas supplier | Professional Intervention Required |
N/A | Yellow flame Possible Cause: Lack of primary air. please note yellow tipping to the flame is normal | Refer to dealer | Professional Intervention Required |
N/A | Orange flame Possible Cause: Particles of dust or dirt in the mixing tube being carried through the burner ports | Reduce the amount of dust in air | DIY Safe |
N/A | Orange flame Possible Cause: Burner ports partically blocked | Refer to dealer | Professional Intervention Required |
N/A | Floating flame Possible Cause: Lack of secondary air | Check all vents are clear (air inlet to vehicle) | DIY Safe |
N/A | Floating flame Possible Cause: If in an oven | Check the flue way is clear | DIY Safe |
N/A | Continuous running of water pump Possible Cause: No water | Fill tank | DIY Safe |
N/A | Continuous running of water pump Possible Cause: Major leak | Switch off immediately and check system | DIY Safe |
N/A | Continuous running of water pump Possible Cause: Pressure not set correctly | Adjust as section 7-3 | DIY Safe |
N/A | Intermittent operation of water pump Possible Cause: Minor leak in water system | Check push fit joints | DIY Safe |
N/A | Water pump does not operate Possible Cause: Fuse blown | Find fault and replace fuse with same rating | DIY Safe |
N/A | Water gauge does not operate Possible Cause: Probe fault | Refer to dealer (check probe connections) | DIY Check / Tech Fallback |
N/A | No hot water (230V system) Possible Cause: No power | Switch on isolator switch/check MCB is on | DIY Safe |
N/A | No hot water (230V system) Possible Cause: Overtemperature trip activated | Leave to cool down | DIY Safe |
N/A | No hot water (diesel system) Possible Cause: Heater module not lighting | Refer to dealer | Professional Intervention Required |
N/A | No hot water (diesel system) Possible Cause: Igniter not working | Check 12V switched on | DIY Safe |
N/A | Slow drainage from sink/shower tray Possible Cause: Blocked breathers in waste tank | Drop tank and clear breathers | DIY Safe |
Frequently Asked Questions
Q: How do I prime the Whale Watermaster water supply system?
1. Open one cold tap (e.g. kitchen sink). 2. Place pump into water container. 3. Insert plug into wall socket (slide cover down to lock plug in Whale socket). 4. Adjust dust cover over opening in container. 5. Switch on 12 volt supply at main panel isolator switch. 6. Water will flow from the open tap expelling any trapped air in a few seconds. 7. Turn off tap; the system is now ready for use.
Q: How do I reset the Truma Mono Control Crash Sensor if it triggers?
The gas supply can be restored by pressing the green button on the Mono Control inwards and holding for approximately 10 seconds. It may be necessary to press with reasonable force, using a pen or pencil.