Karmann-Mobil DAVIS 540 2023, Operating Manual

Page: 244 / 377

Troubleshooting
EN 123
(P) T
HE
12 V
SOCKET IS NOT WORKING
.
→ The control panel is not activated.
The living room battery B2 is discharged. (See item 7.12
“ Charging the living room battery B2 ”.)
→ The fuse for the 12 V sockets has blown. (The cause has to be determined.*)
(P) T
HE ELECTRIC STEP
(
OPTIONAL
)
IS NOT WORKING
.
→ The living room battery B2 is discharged. (See item 7.12 “ Charging the living room battery B2 ”.)
→ The fuse for the electric step has blown. (The cause has to be determined.*)
→ The step is defective.*
15.3 Heating
(P) T
HE HEATING IS NOT WORKING
.
→ The heating control panel is not switched on.
→ The fuel tank of the vehicle is empty.
The 230 V power supply is not established. (See item 7.6
“ Establishing the 230 V power supply ”.)
→ For gas operation: The corresponding gas shut-off valve is closed.
→ The selected temperature is lower than the actual room temperature.
→ The intake opening for circulating air inside the vehicle is blocked.
→ The air intake/outlet element on the outside of the vehicle is blocked.
→ The window with the contactor on the window pane (if fitted) is not closed properly.
→ The fuse for the heating has blown. (The cause has to be determined.*)
15.4 Boiler
(P) T
HE BOILER IS NOT WORKING
.
→ The boiler is not switched on (= OFF position on the control panel).
→ The gas cylinder is empty.
→ The 230 V power supply is not established.
(See item 7.6
“ Establishing the 230 V power supply ”.)
→ The corresponding gas shut-off valve is closed.
→ The ventilation plate on the seat compartment is blocked.
→ The air intake/outlet element on the outside of the vehicle is blocked.
→ The window with the contactor on the window pane (if fitted) is not closed properly.
→ The fuse for the boiler has blown. (The cause has to be determined.*)
15.5 Toilet
(P) T
HE TOILET SLIDE VALVE IS NOT WORKING
.
→ The cassette is full.
→ The cassette is not correctly engaged.
(P) T
HE TOILET CASSETTE CANNOT BE PULLED OUT OR PUSHED IN
.
→ The toilet slide valve is open or partially open.
(P) T
HE TOILET CANNOT BE FLUSHED
.
→ The fresh water tank is empty.
→ The fresh water pump is not switched on. (The “fresh water pump” symbol on the control panel
does not light up.)
→ The fresh water pump is in no-load operation because there is air in the system.
→ The cassette is not correctly engaged.
→ The fuse for the toilet has blown. (The cause has to be determined.*)