
Troubleshooting CoolFreeze
34
9 Troubleshooting
Problem Possible cause Suggested remedy
Device does not function,
“POWER” LED does not
light up.
No voltage is flowing
from the DC power
socket in your vehicle.
The ignition must be switched on in
most vehicles to supply current to the
on-board power socket.
No voltage present in
the AC voltage
socket.
Try using another plug socket.
CF11, CF26: The device
does not cool (plug is
inserted, “POWER” LED is
lit).
Defective compressor. This can only be repaired by an author-
ised repair centre.
CF11, CF16: The device
does not cool (plug is
inserted, “POWER” LED
flashes, display is empty).
The voltage is too low
at the 12/24 V socket. Check the battery and charge if neces-
sary.
Check the cables and connections.
When operating from the
12/24 V socket (DC socket):
The ignition is on, the
device is not working and
the “POWER” LED is not lit.
Pull the plug out of the
socket and make the follow-
ing checks.
TheDCsocketisdirty.
This results in a poor
electrical contact.
If the plug of your cooler becomes very
warm in the DC socket, either the
socket must be cleaned or the plug has
not been assembled correctly.
The fuse of the 12/24
V plug has blown. Replace the fuse of the 12/24-V plug
(fig. 52, page 4).
The vehicle fuse has
blown. Replace the vehicle's 12/24 V socket
fuse (usually 15 A). Please refer to the
operating manual of your vehicle.
CF11: The “ERROR” LED
flashes and the display
shows “ERR1” or “ERR2”.
Defective device. This can only be repaired by an author-
ised repair centre.
CF16: The display shows
an error message (e.g.
“Err1”) and the device does
not cool.
The appliance has
switched off due to an
internal fault.
This can only be repaired by an autho-
rised customer service centre.
CF26: “ERROR” LED
flashes for longer than 2
minutes, as follows: 3
flashes, pause, 3 flashes,
pause, ...
Defective device. This can only be repaired by an author-
ised repair centre.