Genie ZX-135/70 Service And Repair Manual page 171

October 2016
Error Source
Secondary Boom
Extend Valve
Secondary Boom
Retract Valve
Secondary Boom
Up Valve
Secondary Boom
Down Valve
Secondary Boom
Extend Sequence Valve
Secondary Boom
Down Sequence Valve
Operational Secondary
Boom Angle Sensor
Part No. 1268558
Error Type
Fault Check
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Fault Check Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Fault Check Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Fault Check Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Fault Check Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Fault Check
Limited Speed and Direction frozen at
zero and neutral, Alarm sounds
Value at 5.0 V Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Value Too High Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Value Too Low
Value at 0 V
Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Out of Tolerance
Primary up, Secondary up/down and
Extend disabled, Alarm sounds
Not calibrated Secondary up only active from TCON,
activate alarm
Just calibrated Initiate one second beep of audible
warning device
ZX-135/70
Effects
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
Check for defective or damaged wiring.
Check for an open or shorted valve coil.
Repair or replace as necessary.
Check for an open ground circuit going
to the sensor
Sensor is out of range. Check sensor
and actuating pin for proper installation.
Repair or replace sensor and
recalibrate.
Check for 5.0 VDC at the sensor.
Check for damaged wiring going to the
sensor. Check that the % .0 VDC LED
is lit on the TCON board. Repair or
replace as necessary
Recalibrate sensor
Perform calibration procedure per
service manual
Self-clearing (transient)
Service and Repair Manual
Fault Codes
Recovery Actions
159