Troubleshooting - Thetford N80 Instructions For Use Manual

6071_BW.qxd 24-06-2005 14:58 Pagina 10
7.7 Vent screen
The vent has a vent screen to prevent bugs from entering the combustion area of
the refrigerators. These vents need to be cleaned regularly to insure a good airflow.
When the refrigerator performs poor because of external circumstances such as
extreme ambient temperatures, the vents can be removed to improve the airflow
and improve the cooling performance of the refrigerators.
8 STORAGE
If you do not expect to use your refrigerator for a lengthy period, carry out the
following actions:
- Remove all food
- Switch off the refrigerator
- Clean the refrigerator as described in Section 7.1 'Cleaning'
- Shut off the gas tap to the refrigerator
- Leave the door of the refrigerator ajar using the special door closure hook
(storage position)
- Place the winter protection on the ventilation grill.

9 TROUBLESHOOTING

If your refrigerator does not refrigerate properly or will not start, run through the
following checklist. If this fails to solve the problem, please contact the Customer
Service Department in your country (see the addresses at the back of this manual).
- Check whether you have followed the instructions in chapters 4, 5 or 6
("Switching on the refrigerator").
- Check whether the refrigerator is on a level surface.
- Check whether the refrigerator can be used with an available energy source.
UK
9.1 Problem: refrigerator will not work on gas
Possible cause Action you can take
a) Gas bottle is empty. a) Replace the gas bottle.
b) Valve of the gas bottle or one of b) Open the valve of the gas bottle or
the shut-off valves is closed. shut-off valve(s).
9.2 Problem: refrigerator will not work on 12V DC
Possible cause Action you can take
a) 12V fuse is defective. a) Fit a new fuse (Camper
camper. Car
b) Battery is empty. b) Test the battery and charge it.
9.3 Problem: refrigerator will not refrigerate sufficiently
Possible cause Action you can take
a) Insufficient ventilation for the a) Check whether the ventilation grills
refrigerator. are covered.
b) Thermostat set too low. b) Increase the setting of the
thermostat.
c) Too much ice on the condenser. c) Check whether the refrigerator door
shuts properly and defrost the
refrigerator.
d) Too much hot food stored d) Let the food cool off first.
simultaneously.
e) Gas burner is dirty. e) Have the gas burner cleaned.
f) Door does not shut properly. f) Check the door closing mechanism.
10 Control panel Diagnostics
Refrigerators with a LCD control panel have a special diagnostics area which
displays an error code if there is a fault.
• Fault 1: AC heater current is measured to be 75% below nominal current.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 2: DC heater current is measured to be 75% below nominal current.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 3: AC heater is ON when it should be OFF.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 4: DC heater is ON when it should be OFF.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 5: Senses flame when gas should be OFF.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 6: Senses gas output terminal ON when should be OFF.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 7: Senses gas output terminal OFF when should be ON.
Action: Contact your dealer or a Thetford Service Centre.
• Fault 8: AC mains supply is 20% below nominal.
Action: Your controls are in manual AC mode, but there is no power
available. Check if you plugged in the 230V connection, if so the
voltage supply on the 230V connection is to low, contact the power
supplier.
• Fault 9: Gas lockout because flame fails to ignite after 30 seconds.
Action: Your controls are in manual gas mode, but the flame fails to ignite.
Check if your gas cylinder is empty or if one of the shut-off valves is
closed. Select another energy source. Reset the fridge 3 or 4 times
in gas-mode until flame ignites. Contact your dealer or a Thetford
Service Centre if problem isn't resolved.
• Fault 10: No "engine running" signal is present and control is in Manual
DC mode.
Action: Your controls are in manual DC mode and the engine of your vehicle
is not running. The refrigerator can only cool on 12V when the
engine of your vehicle is running. Start the engine or select a
different energy mode.
• Fault 11: No energy source is available and control is in AUTO mode.
Action: Your controls are in AUTO mode, but no energy source is available.
Start the engine, connect the 230V supply or open the gas supply
fuse box of
and reset the refrigerator by turning it of and on again.
fuse box of car)
• Fault 12: Contact your dealer or a Thetford Service Centre.
• Fault 13: Thermistor fails; control automatically switches to Backup mode
(BOS).
Action: Check if the connector above the fin on the inside of the cabinet is
correctly plugged in. If so contact your dealer or a Thetford Service
Centre.
• Fault 14: Display Board and Power board lost communication with each other.
Action: Contact your dealer or a Thetford Service Centre.
11 GUARANTEE, CUSTOMER SERVICE AND
LIABILITY
11.1 Guarantee
Thetford B.V offers the end users of Thetford refrigerators a three-year guarantee.
In the case of defects within the guarantee period, Thetford will repair or replace the
product. In this instance, the costs of replacement, labour costs for the replacement
of defective components and/or the costs of the parts themselves will be paid by
Thetford.
1. To make a claim under this guarantee, the user must take the product to a
Service Centre recognised by Thetford. The claim will be assessed here.
2. If components are replaced during repair under guarantee, these become the
property of Thetford.
3. This guarantee does not prejudice current consumer protection law.
4. This guarantee is not valid in the case of products that are for, or are used for,
commercial purposes.
5. No claim under the guarantee will be accepted in the following circumstances:
- the product has been improperly used or the instructions in the manual have not
been followed
- the product has not been installed in accordance with the instructions
- alterations have been made to the product
- the product has been repaired by a Service Centre not recognised by Thetford
- the serial number or product code have been changed
- the product has been damaged by circumstances outside the normal use of the
product
11.2 Liability
Thetford is not liable for loss and/or damage caused directly or indirectly by use of
the refrigerator.
12 ENVIRONMENT
Refrigerators manufactured by Thetford B.V. are PCB-free. Most of the refrigerator
is recyclable.
If the refrigerator has reached the end of its service life, contact your local waste
processing company to dispose of the refrigerator in an environment-friendly way.
Energy-saving tips
- Install the refrigerator and switch it on about 12 hours before you put anything
in it.
- Do not expose the refrigerator to direct sunlight.
- At an ambient temperature of approximately 25° C you can let the refrigerator
operate at the middle position of the thermostat (both with gas operation and
mains voltage).
- Store foods that have been pre-cooled.
- Open the door only briefly when you take things out of the refrigerator.
- Defrost the refrigerator regularly.
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