How to: EFOY Error Code Troubleshooting
Are there any codes displayed on the control panel?
If yes, see the code troubleshooting guide below.
If there are no codes displayed or there is a code displayed that was not previously listed, follow the corresponding charts below. EFOY may need to be removed for service.
No Codes Displayed
Has Codes Not Previously Listed
Error Code Troubleshooting Guide
Code 11 or 18
Please check the attachment of the exhaust hose and position it so that no condensation can gather. Do not bend the exhaust hose. If necessary, clean the exhaust hose and protect the opening from becoming clogged. Shorten the exhaust hose if condensation is gathering in it.
Interruption: Cooling insufficient. Please check attachment and air supply!
Make sure that the off-heat can escape without obstruction and that the ambient temperature is below 50 °C / 122 °F. If the fuel cell is secured within a sealed container, please ensure that the opening for supply air has a diameter of at least 10 cm / 3.94 in. Then refill the fuel cell with EFOY service fluid (see chapter 7.3 "Adding EFOY service fluid" on page 77)
Interruption: Surroundings too warm. Please wait for the device to cool down.
The ambient temperature is too high. The device will start automatically if the temperature drops to below 50 °C / 122 °F.
Code 51 or 53
Battery voltage high. If applicable, please check additional charging devices.
Please check the cabling and check whether a suitable battery is connected. Please also check other loading devices for defects, e.g. alternator or charge controller.
Code 20 or 22
Fuel cartridge empty. Please replace the fuel cartridge, and press OK.
Interruption: Device frozen. Please defrost device slowly for at least 24h at room temperature.
The device was exposed to temperatures below 1°C / 34°F without a connected battery and/or an EFOY fuel cartridge that was not filled sufficiently. It must be allowed to defrost for approx. 24 hours at room temperature.
Code 50 or 52
Battery voltage low. Please check battery connection and load battery.
Please check the cabling and check whether a suitable battery is connected. Check the battery voltage. If it is too low, please load the battery with a battery charger. Please also check other loading devices for defects, e.g. alternator or charge controller.
Please disconnect fuel cartridge connection, shake cartridge firmly and reconnect. Restart device at most 2 times. Press OK for restart.
Check the fuel cartridge connection and, if necessary, check for any contamination and remove it. Then please perform a system reset (max. twice). If the error still occurs, please contact your service partner or the hotline. Contact details are provided in chapter 1.2 "Contact details" on page 4.