ARB ZERO Guía De Uso Y Mantenimiento página 23

Orange Check light flashing.
The Orange Check light will flash for various issues with the fridge freezer. Some of
these issues are normal operation and are not concerning. Please see below possible
rectification of these issues.
Display "E0" and Check light is solid ON – Temperature sensor issue:
 For temporary use, engage the Emergency Override to operate the fridge
freezer, please see Section 6.14.
 Please contact ARB for assistance at your earliest convenience.
Display "E1" and Check light flashes once every 4 seconds – Low supply voltage:
 Try a different power source, for example a different vehicle or 240V AC power.
If changing the power source fixes the issue, the possible cause could be the
original power source.
 Ensure cabling between power outlet and battery is a minimum diameter of
6mm automotive cable (4.6mm
Display "E2" and Check light flashes 2 times every 4 seconds – Fan issue:
 Fan is drawing too much current (over 0.6 amps), replace fan.
Display "E3" and Check light flashes 3 times every 4 seconds – Compressor start issue:
 Unplug cable and allow unit to rest for 10 minutes.
 Try a different power source, for example a different vehicle or 240V AC power.
 Electronic box fault.
 Compressor fault.
Display "E4" and Check light flashes 4 times every 4 seconds – Low motor speed:
 Move the unit to a lower ambient temperature.
 Clean vents and ensure clean air flows over the compressor.
 Fan fault.
Display "E5" and Check light flashes 5 times every 4 seconds – Over temperature:
 Ambient temperature too high.
 Clean vents and ensure clear air flow over the condenser / compressor.
 Fan fault.
Please note, the Check indicator will normally display as Green. When flashing, it will
change to Orange to indicate the fridge freezer is not functioning correctly.
If none of the above solves your issue please contact ARB for assistance.
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