Fault code number Message in the dis-play Cause Solution3 "Wrong incomingvoltage Phase lost"Incorrect input voltage and phaseloss.Do a check of the input voltageand the cables.5"Wrong incomingvoltage Grid frequen-cy"The grid frequency is out ofrange. Do a check of the voltage source.6"Wrong incomingvoltage Voltage toolow"The input voltage is too low.Do a check of the input voltageand the cables.7"Wrong incomingvoltage Voltage toohigh"The input voltage is too high.10 "Grid frequency Outof range"The grid frequency does notagree with the product frequencysetting.Speak to Husqvarna service.11 "Oil temperatureHigh"The oil temperature is toohigh. The operation speed is de-creased and the tool is disabled.Operate the product in idle modeto cool down the oil. Clean thehydraulic oil cooler and do acheck of the cooling fan.12 "Oil temperatureLow"The oil temperature is toolow. The operation speed is de-creased and the tool is disabled.1. Operate the product in idlestate.2. Extend the outriggers. Firstoperate the caterpillar tracksslowly and the more quickly.3. Do a check of the settings forthe adjustable temperaturelimit.4. Do a check of the tempera-ture sensor (T4) and the ca-bles to the sensor.5. Make sure that the hydraul-ic oil grade, ISO VG, agreewith the operation tempera-ture. Refer toHydraulic oil onpage 146.13 "Oil pressure Toohigh" The oil pressure is too high. Speak to Husqvarna service.14 "Safety Error Idlevalve" - Speak to Husqvarna service.16 "Hydraulic oil levelLow" The hydraulic oil level is too low. Fill the hydraulic oil tank with hy-draulic oil.17 "Oil filter Service nee-ded"The pressure of the hydraulic oilfilter is too high. Replace the hydraulic oil filter.19 "Remote controlCommunication lost"Lost communication to the re-mote control for more than 120s.Accept the warning message onthe display. The remote controlwill try to connect with the prod-uct.20 "Motor temperatureToo high"The motor temperature is toohigh. The operation speed is de-creased and the tool is disabled.Operate the product in idle mode.132 1401 - 005 - 11.01.2024