Genie XC, HF and J boom lifts (S-60 XC, S-80 XC, S-85 XC, S-80 HF, S-85 HF, S-60 J, S-80 J)
Genie error code 20-15 — Primary Boom Extend / Retract Joystick — Joystick voltage too low.
Message on the display: Primary Boom Extend / Retract Joystick — Joystick voltage too low.
Code 20-15 occurs in machines: Genie S-60 XC, S-80 XC, S-85 XC, S-80 HF, S-85 HF.
blocking fault
The Genie display shows code 20-15 with the message “Primary Boom Extend / Retract Joystick — Joystick voltage too low”. It is a blocking fault or a safety-related code: do not use the machine until the cause has been found and removed.
Effect on the machine: Boom Extend and Retract functions will not operate.
Possible causes
- Circuit C163PER is below 0.5 V.
What you can do
Switch the machine off with the emergency stop and switch it on again. If the code comes back, do not use the machine and call service.
Solution from the manual
go above 4.5 V or below 0.5 V when fully stroked in each direction. * Replace joystick if voltage check fails.
Source: Genie Service and Repair Manuals (Part No. 1316494, 1315679, 1288652, 1280490, 1285305, 1285307), Fault Codes section.
The descriptions are quoted from the manufacturer's service documentation and are for guidance only. Clearing codes, calibrations and repairs are carried out by a qualified service technician according to the manual for the specific serial number. A machine with an active blocking code must not be used until the cause has been removed.
Does code 20-15 not go away?
RK Rental services Genie lifts at our workshop or on site at the customer's premises (construction site, factory, warehouse). We read the code, remove the cause and select the parts by serial number.
Genie service · Genie parts · All Genie codes of this system
Neighbouring Genie codes
- 19-27Platform Aux Enable Switch — Active at startup
- 20-11Pri Boom Ext / Ret Joystick — Shorted to supply voltage
- 20-12Primary Boom Extend / Retract Joystick — Joystick voltage too high.
- 20-19Primary Boom Extend / Retract Joystick — Joystick held at startup.
- 20-27Pri Boom Ext / Ret Joystick — Active at startup
- 21-11Pri Boom Up / Down Joystick — Shorted to supply voltage
