Dometic CRE0050, Installation And Operating Manual

Page: 30 / 348

EN
Troubleshooting CRE
30
12 Troubleshooting
Red LED flashes (fig.
4
2, page 4)
During operational faults the LED flashes several times. The number of flashes
depends on the type of fault.
Each flash lasts for one quarter of a second. After the series of flashes a pause follows.
The sequence for the fault is repeated every four seconds.
Orange LED flashes (fig.
4
3, page 4)
If LED flashes constantly fast, proceed as follows.
➤
Press the button until the refrigerator switches off.
➤
Disconnect the connection cable from the battery or disconnect the plug on the
AC cable plug from the rectifier.
➤
Wait one minute, then reconnect the refrigerator to the power supply and switch
it on.
➤
If the orange LED still flashes, contact the customer service.
Number of
flashes
Fault Possible cause
1 Line Voltage The supply voltage is outside of the set range.
2 Excessive fan current The fan load on the electronics unit is more
than 1 A.
Too many start attempts The compressor or fan has been started too
often within a short period of time.
3 The motor doesn't start The rotor is jammed.
The pressure difference in the cooling system
is too high (> 5 bar).
4 Speed too low If the cooling system is overloaded, the mini-
mum speed of the motor of 1850 rpm cannot
be maintained.
5 Over temperature of the
electronics unit If the cooling system is loaded too heavily or
the temperature is set too high, the electron-
ics can overheat.
Constantly Temperatur sensor
errors Temperatur sensor is defective.
CRE50-65-80_IOM_EMEA16.book Seite 30 Mittwoch, 30. September 2020 10:50 10