October 2018
Service and Repair Manual
Fault Codes
Part No. 1268557GT
Z®-135
/70
173
Error Source
Error Type
Effects
Recovery Actions
Primary Boom Up/Down
buttons on TCON
Fault Check (both
buttons pressed)
Primary Boom Up/Down disabled,
display message on LCD
Check ribbon and connector from
membrane switch. If necessary replace
membrane switch.
Primary Boom Ext/Ret
buttons on TCON
Fault Check (both
buttons pressed)
Primary Boom Ext/Retract disabled,
display message on LCD
Check ribbon and connector from
membrane switch. If necessary replace
membrane switch.
Primary Boom Length
Fault Check
(unknown length)
Stop all boom functions, allow only
boom retract, once fully retracted allow
boom down. Display message on LCD
Check primary boom retracted and
extended switches for proper contact
with the boom. Readjust or shim switch
as necessary.
Primary Up/Down Speed
Not calibrated
Display message on LCD and allow
operation at default speed
Perform auto calibrate procedure.
Primary Extend/Retract
Speed
Not calibrated
Display message on LCD and allow
operation at default speed
Perform auto calibrate procedure.
Primary Boom Extend Valve Fault Check
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
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
Not calibrated
Normal function except threshold for
one or the other direction is zero.
Display message on LCD
Perform calibration procedure
Just calibrated
Initiate one second beep of audible
warning device
Self-clearing (transient)
Value Too High
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Value Too Low
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Check for opens in the wiring or a bad
ground. Replace coil if necessary
Summary of Contents for Genie Z-135/70
Page 14: ......
Page 37: ...October 2018 Service and Repair Manual Specifications Part No 1268557GT Z 135 70 23 T ...
Page 135: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 121 ...
Page 137: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 123 ...
Page 139: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 125 ...
Page 141: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 127 ...
Page 147: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 133 ...
Page 153: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 139 ...
Page 155: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 141 ...
Page 159: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 145 ...
Page 161: ...October 2018 Service and Repair Manual Manifolds Part No 1268557GT Z 135 70 147 ...
Page 233: ...October 2018 Service and Repair Manual 219 Generator Wiring Schematic ...
Page 236: ...Service and Repair Manual October 2018 222 Hydraulic Generator Welder Option ...
Page 242: ...Service and Repair Manual October 2018 228 Hydraulic Schematic from serial number 535 ...
Page 244: ......