15.7.2 Thetford refrigerator without SES (error diagnostics)
Refrigerator does not
switch on when operating
in 12 V mode
Jumbo flat fuse (40 A) in
the starter battery is defec-
tive
Replace jumbo flat fuse
(40 A) in the starter battery
Flat fuse (2 A) in the starter
battery is defective
Replace flat fuse (2 A) in
the starter battery
Disconnector relay in the
transformer/rectifier is de-
fective
Contact customer service
12 V operating voltage too
low
Have the 12 V power sup-
ply checked by an author-
ised specialist workshop
Refrigerator does not
switch on when operating
in gas mode
The "GAS" operating indi-
cator flashes yellow
Lack of gas Open regulator tap and
gas isolator tap
Connect a full gas bottle
Air in the gas pipe Repeat ignition 3 or
4 times
Cobwebs or burnt residue
in the burning chamber
Remove the ventilation
grill on the outside of the
vehicle and clean the burn-
ing chamber
Error code Cause Remedy
1 The 240 V power supply is
75 % under the required oper-
ating voltage
Contact customer service
2 The 12 V power supply is 75 %
under the required operating
voltage
Contact customer service
3 The refrigerator is operated at
240 V, even though no 240 V
mode has been selected
Contact customer service
4 The refrigerator is operated at
12 V, even though no 12 V
mode has been selected
Contact customer service
5 The refrigerator is operated in
gas operation mode even
though gas operation mode
has not been selected
Contact customer service
6 The gas valve has been identi-
fied as open even though it
should be closed
Contact customer service
7 The gas valve has been identi-
fied as closed even though it
should be open
Contact customer service
8 The 240 V power supply is
20 % under the required oper-
ating voltage
Check 240 V power supply
Fault Cause Remedy