Genie ZX-135/70 Service Manual page 218

August 2014
Error Source
Primary Boom Up/Down
buttons on TCON
Primary Boom Ext/Ret
buttons on TCON
Primary Boom Length
Primary Up/Down Speed
Primary Extend/Retract
Speed
Primary Boom Extend Valve Fault Check
Primary Boom Retract Valve
Primary Boom Up Valve
Primary Boom Down Valve
Primary Lock-Out Valve #1
Primary Lock-Out Valve #2
Secondary Boom
Up/Down/Extend/Retract
Flow Valve
Part No. 218700
Error Type
Fault Check (both Primary Boom Up/Down disabled,
buttons pressed) display message on LCD
Fault Check (both Primary Boom Ext/Retract disabled,
buttons pressed) display message on LCD
Fault Check Stop all boom functions, allow only
(unknown length) boom retract, once fully retracted allow
boom down. Display message on LCD
Not calibrated Display message on LCD and allow
operation at default speed
Not calibrated Display message on LCD and allow
operation at default speed
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Not calibrated Normal function except threshold for
one or the other direction is zero.
Display message on LCD
Just calibrated Initiate one second beep of audible
warning device
Value Too High Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value Too Low Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
ZX-135/70
Effects
Check ribbon and connector from
membrane switch. If necessary
replace membrane switch.
Check ribbon and connector from
membrane switch. If necessary
replace membrane switch.
Check primary boom retracted and
extended switches for proper contact
with the boom. Readjust or shim
switch as necessary.
Perform auto calibrate procedure.
Perform auto calibrate procedure.
Check for defective or damaged
wiring. Check for an open or shorted
valve coil. Repair or replace as
necessary.
Perform calibration procedure
Self-clearing (transient)
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Service Manual
Fault Codes
Recovery Actions
203